Northeast Knox Utility District (TN) Water Quality

Northeast Knox Utility District is a large public water system in EPA region 4 that provides tap water for the 37709, 37806, 37924 zip codes. It has 5 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 44.1 µg/L. The maximum reported level of Manganese was 18.3 µg/L. There were 2 contamintants found in the Northeast Knox Utility District water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (4)
1,2,3-trichloropropane (4)
1,3-butadiene (4)
1,4-dioxane (4)
1-butanol (4)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (4)
1H,1H,2H,2H-perfluorodecane sulfonic acid (4)
1H,1H,2H,2H-perfluorohexane sulfonic acid (4)
1H,1H,2H,2H-perfluorooctane sulfonic acid (4)
2,4-dinitrotoluene (4)
2,6-dinitrotoluene (4)
2-methoxyethanol (4)
2-propen-1-ol (Allyl Alcohol) (4)
4,4'-dichloro dichlorophenyl ethylene (DDE) (4)
4,8-dioxa-3H-perfluorononanoic acid (4)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)
alpha-hexachlorocyclohexane (4)
anatoxin-a (7)
bromochloromethane (Halon 1011) (4)
bromomethane (4)
Butylated Hydroxyanisole (4)
chlorate (8)
chlorodifluoromethane (HCFC-22) (4)
chloromethane (4)
chlorpyrifos (4)
chromium (8)
chromium-6 (8)
cobalt (8)
cylindrospermopsin (7)
dimethipin (4)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)
ethoprop (4)
Germanium (4)
HAA5 (five regulated haloacetic acids) (16)
HAA6Br (six brominated haloacetic acids) (16)
HAA9 (nine haloacetic acids) (16)
hexafluoropropylene oxide dimer acid (GenX) (4)
lithium (4)
Manganese (4)
methyl-tertiary-butyl-ether (MTBE) (4)
molinate (4)
molybdenum (8)
N-ethyl perfluorooctanesulfonamidoacetic acid (4)
N-methyl perfluorooctanesulfonamidoacetic acid (4)
nitrobenzene (4)
nonafluoro-3,6-dioxaheptanoic acid (4)
o-toluidine (4)
oxyfluorfen (4)
perchlorate (4)
perfluoro(2-ethoxyethane)sulfonic acid (4)
perfluoro-3-methoxypropanoic acid (4)
perfluoro-4-methoxybutanoic acid (4)
perfluorobutanesulfonic acid (8)
perfluorobutanoic acid (4)
perfluorodecanoic acid (4)
perfluorododecanoic acid (4)
perfluoroheptanesulfonic acid (4)
perfluoroheptanoic acid (8)
perfluorohexanesulfonic acid (8)
perfluorohexanoic acid (4)
perfluorononanoic acid (8)
perfluorooctanesulfonic acid (8)
perfluorooctanoic acid (8)
perfluoropentanesulfonic acid (4)
perfluoropentanoic acid (4)
perfluorotetradecanoic acid (4)
perfluorotridecanoic acid (4)
perfluoroundecanoic acid (4)
profenofos (4)
quinoline (4)
s-ethyl-dipropylthiocarbamate (EPTC) (4)
strontium (8)
tebuconazole (4)
terbacil (4)
total microcystins (7)
Total Permethrin (4)
tribufos (4)
vanadium (8)

1,1-dichloroethane (4)

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,2,3-trichloropropane (4)

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,3-butadiene (4)

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.1 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.1 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.1 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.1 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.1 µg/L
Reference Level: ?

Contaminant Details

1,4-dioxane (4)

EPTDS from Holston River Plant

Holston River Plant ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 1.43 µg/L

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.4 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.33 µg/L

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.13 µg/L

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.26 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.19 µg/L

9/24/2013

11 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: ?

Contaminant Details

1-butanol (4)

Entry Point A

Holston River Plant ℹ️

<2 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<2 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<2 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<2 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

2,4-dinitrotoluene (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2,6-dinitrotoluene (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2-methoxyethanol (4)

Entry Point A

Holston River Plant ℹ️

<0.4 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.4 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.4 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.4 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (4)

Entry Point A

Holston River Plant ℹ️

<0.5 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.5 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.5 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.5 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<0.8 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<0.8 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<0.8 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<0.8 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 0.8 µg/L
Reference Level: ?

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.002 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.002 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.002 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.002 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

alpha-hexachlorocyclohexane (4)

Entry Point A

Holston River Plant ℹ️

<0.01 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.01 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.01 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.01 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L

Contaminant Details

anatoxin-a (7)

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/3/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/6/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

6/4/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

bromochloromethane (Halon 1011) (4)

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.06 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.06 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.06 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.06 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.06 µg/L
Reference Level: ?

Contaminant Details

bromomethane (4)

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Butylated Hydroxyanisole (4)

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

chlorate (8)

8301 Tazewell Pike

Distribution System ℹ️

274 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 254 µg/L

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

251 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 231 µg/L

6/23/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L

4/8/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

144 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 124 µg/L

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

52 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 32 µg/L

1/15/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

359 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 339 µg/L

9/24/2013

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

340 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 320 µg/L

9/24/2013

11 years ago

Minimum Reporting Level: 20 µg/L
Reference Level: ?

Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.08 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.08 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.08 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.08 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.08 µg/L
Reference Level: ?

Contaminant Details

chloromethane (4)

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chlorpyrifos (4)

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L

Contaminant Details

chromium (8)

8301 Tazewell Pike

Distribution System ℹ️

0.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.13 µg/L

6/23/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

0.26 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.06 µg/L

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.02 µg/L

4/8/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.02 µg/L

4/1/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/1/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

0.28 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.08 µg/L

12/9/2013

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L

10/21/2013

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chromium-6 (8)

8301 Tazewell Pike

Distribution System ℹ️

0.16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.13 µg/L

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.084 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.054 µg/L

6/23/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

0.16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.13 µg/L

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.11 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.08 µg/L

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.07 µg/L

1/15/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

0.087 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.057 µg/L

1/15/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

0.14 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.11 µg/L

9/24/2013

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.078 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.048 µg/L

9/24/2013

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

cobalt (8)

EPTDS from Holston River Plant

Holston River Plant ℹ️

<1 µg/L

Below Reporting Level

6/23/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<1 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<1 µg/L

Below Reporting Level

4/8/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<1 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<1 µg/L

Below Reporting Level

1/15/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<1 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<1 µg/L

Below Reporting Level

9/24/2013

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

cylindrospermopsin (7)

Entry Point A

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

9/17/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

9/3/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

8/6/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

6/18/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

6/4/2019

6 years ago

Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L

Contaminant Details

dimethipin (4)

Entry Point A

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<1 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<1 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<1 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

ethoprop (4)

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L

Contaminant Details

Germanium (4)

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

9440 Mascot Rd.

Distribution System ℹ️

20.6 µg/L

Meets Reporting Threshold

11/19/2019

5 years ago

8433 Wood Rd.

Distribution System ℹ️

19.2 µg/L

Meets Reporting Threshold

11/19/2019

5 years ago

5417 Tazewell Pk.

Distribution System ℹ️

16.3 µg/L

Meets Reporting Threshold

11/19/2019

5 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

11 µg/L

Meets Reporting Threshold

11/19/2019

5 years ago

8433 Wood Rd.

Distribution System ℹ️

44.1 µg/L

⚠️ Exceeds 50% of Reference Level

8/20/2019

6 years ago

5417 Tazewell Pk.

Distribution System ℹ️

27.6 µg/L

Meets Reporting Threshold

8/20/2019

6 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

25.1 µg/L

Meets Reporting Threshold

8/20/2019

6 years ago

9440 Mascot Rd.

Distribution System ℹ️

19.8 µg/L

Meets Reporting Threshold

8/20/2019

6 years ago

9440 Mascot Rd.

Distribution System ℹ️

42.68 µg/L

⚠️ Exceeds 50% of Reference Level

5/28/2019

6 years ago

8433 Wood Rd.

Distribution System ℹ️

25.83 µg/L

Meets Reporting Threshold

5/28/2019

6 years ago

5417 Tazewell Pk.

Distribution System ℹ️

23.02 µg/L

Meets Reporting Threshold

5/28/2019

6 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

18.98 µg/L

Meets Reporting Threshold

5/28/2019

6 years ago

8433 Wood Rd.

Distribution System ℹ️

19.41 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

5417 Tazewell Pk.

Distribution System ℹ️

15.56 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

9440 Mascot Rd.

Distribution System ℹ️

12.9 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

12.44 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L

Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

8433 Wood Rd.

Distribution System ℹ️

22 µg/L

11/19/2019

5 years ago

9440 Mascot Rd.

Distribution System ℹ️

21.5 µg/L

11/19/2019

5 years ago

5417 Tazewell Pk.

Distribution System ℹ️

20.2 µg/L

11/19/2019

5 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

15.1 µg/L

11/19/2019

5 years ago

8433 Wood Rd.

Distribution System ℹ️

25 µg/L

8/20/2019

6 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

20.6 µg/L

8/20/2019

6 years ago

5417 Tazewell Pk.

Distribution System ℹ️

20 µg/L

8/20/2019

6 years ago

9440 Mascot Rd.

Distribution System ℹ️

19 µg/L

8/20/2019

6 years ago

9440 Mascot Rd.

Distribution System ℹ️

13.98 µg/L

5/28/2019

6 years ago

5417 Tazewell Pk.

Distribution System ℹ️

12.02 µg/L

5/28/2019

6 years ago

8433 Wood Rd.

Distribution System ℹ️

11.83 µg/L

5/28/2019

6 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

10.98 µg/L

5/28/2019

6 years ago

8433 Wood Rd.

Distribution System ℹ️

12.41 µg/L

2/20/2019

6 years ago

5417 Tazewell Pk.

Distribution System ℹ️

10.66 µg/L

2/20/2019

6 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

8.88 µg/L

2/20/2019

6 years ago

9440 Mascot Rd.

Distribution System ℹ️

8.47 µg/L

2/20/2019

6 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

HAA9 (nine haloacetic acids) (16)

9440 Mascot Rd.

Distribution System ℹ️

39.5 µg/L

11/19/2019

5 years ago

8433 Wood Rd.

Distribution System ℹ️

38.4 µg/L

11/19/2019

5 years ago

5417 Tazewell Pk.

Distribution System ℹ️

34 µg/L

11/19/2019

5 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

24.3 µg/L

11/19/2019

5 years ago

8433 Wood Rd.

Distribution System ℹ️

64.8 µg/L

8/20/2019

6 years ago

5417 Tazewell Pk.

Distribution System ℹ️

45.6 µg/L

8/20/2019

6 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

43.7 µg/L

8/20/2019

6 years ago

9440 Mascot Rd.

Distribution System ℹ️

36.8 µg/L

8/20/2019

6 years ago

9440 Mascot Rd.

Distribution System ℹ️

55.38 µg/L

5/28/2019

6 years ago

8433 Wood Rd.

Distribution System ℹ️

36.43 µg/L

5/28/2019

6 years ago

5417 Tazewell Pk.

Distribution System ℹ️

33.82 µg/L

5/28/2019

6 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

29.28 µg/L

5/28/2019

6 years ago

8433 Wood Rd.

Distribution System ℹ️

30.41 µg/L

2/20/2019

6 years ago

5417 Tazewell Pk.

Distribution System ℹ️

24.96 µg/L

2/20/2019

6 years ago

1304 Shoemaker Rd. (St. 1)

Distribution System ℹ️

20.18 µg/L

2/20/2019

6 years ago

9440 Mascot Rd.

Distribution System ℹ️

20.17 µg/L

2/20/2019

6 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (4)

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

lithium (4)

Entry Point A

Holston River Plant ℹ️

<9 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<9 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<9 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<9 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 9 µg/L
Reference Level: ?

Contaminant Details

Manganese (4)

Entry Point A

Holston River Plant ℹ️

3.7 µg/L

Meets Reporting Threshold

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

3.31 µg/L

Meets Reporting Threshold

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

5.6 µg/L

Meets Reporting Threshold

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

18.3 µg/L

Meets Reporting Threshold

2/21/2019

6 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<5 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<5 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<5 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<5 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 5 µg/L
Reference Level: ?

Contaminant Details

molinate (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<0.9 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<0.9 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<0.9 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<0.9 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 0.9 µg/L
Reference Level: ?

Contaminant Details

molybdenum (8)

EPTDS from Holston River Plant

Holston River Plant ℹ️

<1 µg/L

Below Reporting Level

6/23/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<1 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<1 µg/L

Below Reporting Level

4/8/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<1 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<1 µg/L

Below Reporting Level

1/15/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<1 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<1 µg/L

Below Reporting Level

9/24/2013

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/21/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.006 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.006 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.006 µg/L

Below Reporting Level

3/21/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.006 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.006 µg/L
Reference Level: ?

Contaminant Details

nitrobenzene (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<10 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<10 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<10 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<10 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 10 µg/L
Reference Level: ?

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: ?

Contaminant Details

o-toluidine (4)

Entry Point A

Holston River Plant ℹ️

0.015 µg/L

⚠️ Exceeds Reporting Level of 0.007 µg/L by 0.008 µg/L

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

0.024 µg/L

⚠️ Exceeds Reporting Level of 0.007 µg/L by 0.017 µg/L

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.007 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

0.014 µg/L

⚠️ Exceeds Reporting Level of 0.007 µg/L by 0.007 µg/L

2/21/2019

6 years ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

oxyfluorfen (4)

Entry Point A

Holston River Plant ℹ️

<0.05 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.05 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.05 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.05 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L

Contaminant Details

perchlorate (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<4 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<4 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<4 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<4 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 4 µg/L
Reference Level: ?

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoro-3-methoxypropanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoro-4-methoxybutanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanesulfonic acid (8)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.09 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.005 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

perfluorodecanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorododecanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanesulfonic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanoic acid (8)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.01 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.01 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.01 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.01 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanesulfonic acid (8)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.03 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorononanoic acid (8)

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanesulfonic acid (8)

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.04 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.04 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.04 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.04 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanoic acid (8)

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanesulfonic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.004 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.003 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorotetradecanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.008 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.008 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.008 µg/L

Below Reporting Level

3/21/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.008 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.008 µg/L
Reference Level: ?

Contaminant Details

perfluorotridecanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.007 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.007 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.007 µg/L

Below Reporting Level

3/21/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.007 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

perfluoroundecanoic acid (4)

Entry Point A

Holston River Plant ℹ️

<0.002 µg/L

Below Reporting Level

9/11/2024

12 months ago

Entry Point A

Holston River Plant ℹ️

<0.002 µg/L

Below Reporting Level

6/18/2024

15 months ago

Entry Point A

Holston River Plant ℹ️

<0.002 µg/L

Below Reporting Level

3/14/2024

18 months ago

Entry Point A

Holston River Plant ℹ️

<0.002 µg/L

Below Reporting Level

12/5/2023

21 months ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

profenofos (4)

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L

Contaminant Details

quinoline (4)

Entry Point A

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.02 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<1 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<1 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<1 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<1 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

strontium (8)

8301 Tazewell Pike

Distribution System ℹ️

111 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 110.7 µg/L

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

109 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 108.7 µg/L

6/23/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

124 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 123.7 µg/L

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

89.6 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 89.3 µg/L

4/8/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

104 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 103.7 µg/L

1/15/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

91.2 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 90.9 µg/L

1/15/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

114 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 113.7 µg/L

9/24/2013

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

104 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 103.7 µg/L

9/24/2013

11 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

tebuconazole (4)

Entry Point A

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L

Contaminant Details

terbacil (4)

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

5/8/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

2/4/2002

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

11/14/2001

23 years ago

HOLSTON RIVER 000286A

NORTHEAST KNOX U D PLANT ℹ️

<2 µg/L

Below Reporting Level

8/2/2001

24 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

total microcystins (7)

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

9/26/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

9/3/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

8/6/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

7/17/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

6/18/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.3 µg/L

Below Reporting Level

6/4/2019

6 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

Total Permethrin (4)

Entry Point A

Holston River Plant ℹ️

<0.04 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.04 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.04 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.04 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L

Contaminant Details

tribufos (4)

Entry Point A

Holston River Plant ℹ️

<0.07 µg/L

Below Reporting Level

11/19/2019

5 years ago

Entry Point A

Holston River Plant ℹ️

<0.07 µg/L

Below Reporting Level

8/20/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.07 µg/L

Below Reporting Level

5/28/2019

6 years ago

Entry Point A

Holston River Plant ℹ️

<0.07 µg/L

Below Reporting Level

2/21/2019

6 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L

Contaminant Details

vanadium (8)

8301 Tazewell Pike

Distribution System ℹ️

0.42 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.22 µg/L

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

0.37 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.17 µg/L

6/23/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

4/8/2014

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

1/15/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

1/15/2014

11 years ago

8301 Tazewell Pike

Distribution System ℹ️

0.26 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.06 µg/L

9/24/2013

11 years ago

EPTDS from Holston River Plant

Holston River Plant ℹ️

<0.2 µg/L

Below Reporting Level

9/24/2013

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Sampling Facilities

Holston River Plant
Surface Water (SW)

Entry Point AEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

1304 Shoemaker Rd. (St. 1)Distribution System (DS)

5417 Tazewell Pk.Distribution System (DS)

8433 Wood Rd.Distribution System (DS)

9440 Mascot Rd.Distribution System (DS)

Holston River Plant
Surface Water (SW)

EPTDS from Holston River PlantEntry Point to the Distribution System (EP)

HOLSTON RIVEREntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

8301 Tazewell PikeMaximum Residence Time (MR)

NORTHEAST KNOX U D PLANT
Surface Water (SW)

HOLSTON RIVER 000286AEntry Point to the Distribution System (EP)

FAQ

Is Northeast Knox Utility District tap water safe to drink?

When was Northeast Knox Utility District last tested for water contamination?

The latest water samples were taken on September 11th, 2024.