City of Denison (TX) Water Quality

City of Denison is a large public water system in EPA region 6 that provides tap water for the 75020, 75021 zip codes. It has 7 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 24.013 µg/L. The maximum reported level of Manganese was 29.4 µg/L. There were 2 contamintants found in the City of Denison water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (5)

LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/30/2014
11 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (5)

LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/30/2014
11 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (5)

LAB SINK
SWTP ℹ️
0%
<0.1 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.1 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.1 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.1 µg/L
Below Reporting Level
6/30/2014
11 years ago
LAB SINK
SWTP ℹ️
0%
<0.1 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (5)

LAB SINK
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
0%
<0.07 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (4)

LAB SINK
SWTP ℹ️
0%
<2 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<2 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<2 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<2 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

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

LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

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

LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

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

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

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

LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (6)

WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<2 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<2 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (6)

WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<2 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<2 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (4)

LAB SINK
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.4 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

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

LAB SINK
SWTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.5 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (6)

WTP
WTP ℹ️
0%
<0.8 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<0.8 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<0.8 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<0.8 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

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

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

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

LAB SINK
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (4)

LAB SINK
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

anatoxin-a (8)

LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/22/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/8/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/24/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/20/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/6/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/23/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/9/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

bromochloromethane (Halon 1011) (5)

LAB SINK
SWTP ℹ️
0%
<0.06 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.06 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.06 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
5000%
3 µg/L
⚠️ Exceeds Reporting Level of 0.06 µg/L by 2.94 µg/L
6/30/2014
11 years ago
LAB SINK
SWTP ℹ️
0%
<0.06 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (5)

LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/30/2014
11 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (4)

LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (10)

DSMRT for SWTP
Distribution System - SW ℹ️
1090%
218 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 198 µg/L
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
1065%
213 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 193 µg/L
1/29/2015
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
2100%
420 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 400 µg/L
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
1835%
367 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 347 µg/L
10/30/2014
10 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
1585%
317 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 297 µg/L
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
1095%
219 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 199 µg/L
10/30/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
2540%
508 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 488 µg/L
4/24/2014
11 years ago
LAB SINK
SWTP ℹ️
2025%
405 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 385 µg/L
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
1340%
268 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 248 µg/L
4/24/2014
11 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
1200%
240 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 220 µg/L
4/24/2014
11 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (5)

LAB SINK
SWTP ℹ️
0%
<0.08 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.08 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.08 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.08 µg/L
Below Reporting Level
6/30/2014
11 years ago
LAB SINK
SWTP ℹ️
0%
<0.08 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (5)

LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/30/2014
11 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (4)

LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (11)

LAB SINK
SWTP ℹ️
355%
0.71 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.51 µg/L
1/29/2015
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
345%
0.69 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.49 µg/L
1/29/2015
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
155%
0.31 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.11 µg/L
12/22/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/22/2014
10 years ago
Sample Tap
Airport PS ℹ️
200%
0.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L
10/30/2014
10 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
120%
0.24 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.04 µg/L
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
155%
0.31 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.11 µg/L
9/10/2014
10 years ago
LAB SINK
SWTP ℹ️
150%
0.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L
4/24/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
125%
0.25 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
115%
0.23 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.03 µg/L
4/24/2014
11 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (10)

LAB SINK
SWTP ℹ️
1733.3%
0.52 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.49 µg/L
1/29/2015
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
1533.3%
0.46 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.43 µg/L
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
1833.3%
0.55 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.52 µg/L
10/30/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
933.3%
0.28 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.25 µg/L
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
566.7%
0.17 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.14 µg/L
10/30/2014
10 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
193.3%
0.058 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.028 µg/L
10/30/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
283.3%
0.085 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.055 µg/L
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
176.7%
0.053 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.023 µg/L
4/24/2014
11 years ago
LAB SINK
SWTP ℹ️
173.3%
0.052 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.022 µg/L
4/24/2014
11 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (10)

DSMRT for SWTP
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<1 µg/L
Below Reporting Level
1/29/2015
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<1 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<1 µg/L
Below Reporting Level
10/30/2014
10 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
10/30/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
0%
<1 µg/L
Below Reporting Level
4/24/2014
11 years ago
LAB SINK
SWTP ℹ️
0%
<1 µg/L
Below Reporting Level
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
0%
<1 µg/L
Below Reporting Level
4/24/2014
11 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

cylindrospermopsin (8)

LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
10/22/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
10/8/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/24/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/20/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/6/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/23/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/9/2019
6 years ago
Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L
Contaminant Details

dimethipin (4)

LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (6)

WTP
WTP ℹ️
0%
<1 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<1 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<1 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<1 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<1 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<1 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

ethoprop (4)

LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (4)

LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
104%
0.312 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 0.012 µg/L
12/3/2018
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

4431 W CRAWFORD
DS01 ℹ️
22.7%
13.64 µg/L
Meets Reporting Threshold
9/10/2019
5 years ago
400 HWY 69
DS01 ℹ️
20.9%
12.514 µg/L
Meets Reporting Threshold
9/9/2019
5 years ago
5216 FM 84
DS01 ℹ️
16.9%
10.119 µg/L
Meets Reporting Threshold
9/9/2019
5 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
16.5%
9.906 µg/L
Meets Reporting Threshold
9/9/2019
5 years ago
4431 W CRAWFORD
DS01 ℹ️
40%
24.013 µg/L
Meets Reporting Threshold
6/4/2019
6 years ago
400 HWY 69
DS01 ℹ️
36.9%
22.164 µg/L
Meets Reporting Threshold
6/4/2019
6 years ago
5216 FM 84
DS01 ℹ️
31.5%
18.888 µg/L
Meets Reporting Threshold
6/4/2019
6 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
30%
17.98 µg/L
Meets Reporting Threshold
6/4/2019
6 years ago
4431 W CRAWFORD
DS01 ℹ️
24.1%
14.468 µg/L
Meets Reporting Threshold
3/5/2019
6 years ago
400 HWY 69
DS01 ℹ️
22.4%
13.448 µg/L
Meets Reporting Threshold
3/5/2019
6 years ago
5216 FM 84
DS01 ℹ️
19.5%
11.679 µg/L
Meets Reporting Threshold
3/5/2019
6 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
20.5%
12.324 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
400 HWY 69
DS01 ℹ️
39.4%
23.663 µg/L
Meets Reporting Threshold
12/3/2018
6 years ago
4431 W CRAWFORD
DS01 ℹ️
34.3%
20.568 µg/L
Meets Reporting Threshold
12/3/2018
6 years ago
5216 FM 84
DS01 ℹ️
32.6%
19.538 µg/L
Meets Reporting Threshold
12/3/2018
6 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
30.6%
18.347 µg/L
Meets Reporting Threshold
12/3/2018
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

4431 W CRAWFORD
DS01 ℹ️
0%
12.474 µg/L
9/10/2019
5 years ago
400 HWY 69
DS01 ℹ️
0%
11.452 µg/L
9/9/2019
5 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
0%
9.164 µg/L
9/9/2019
5 years ago
5216 FM 84
DS01 ℹ️
0%
8.94 µg/L
9/9/2019
5 years ago
4431 W CRAWFORD
DS01 ℹ️
0%
9.26 µg/L
6/4/2019
6 years ago
400 HWY 69
DS01 ℹ️
0%
7.472 µg/L
6/4/2019
6 years ago
5216 FM 84
DS01 ℹ️
0%
6.144 µg/L
6/4/2019
6 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
0%
5.9 µg/L
6/4/2019
6 years ago
4431 W CRAWFORD
DS01 ℹ️
0%
11.558 µg/L
3/5/2019
6 years ago
400 HWY 69
DS01 ℹ️
0%
10.17 µg/L
3/5/2019
6 years ago
5216 FM 84
DS01 ℹ️
0%
8.793 µg/L
3/5/2019
6 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
0%
9.343 µg/L
3/4/2019
6 years ago
400 HWY 69
DS01 ℹ️
0%
18.41 µg/L
12/3/2018
6 years ago
4431 W CRAWFORD
DS01 ℹ️
0%
17.437 µg/L
12/3/2018
6 years ago
5216 FM 84
DS01 ℹ️
0%
16.242 µg/L
12/3/2018
6 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
0%
15.093 µg/L
12/3/2018
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (16)

4431 W CRAWFORD
DS01 ℹ️
0%
22.116 µg/L
9/10/2019
5 years ago
400 HWY 69
DS01 ℹ️
0%
20.428 µg/L
9/9/2019
5 years ago
5216 FM 84
DS01 ℹ️
0%
16.555 µg/L
9/9/2019
5 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
0%
16.06 µg/L
9/9/2019
5 years ago
4431 W CRAWFORD
DS01 ℹ️
0%
31.702 µg/L
6/4/2019
6 years ago
400 HWY 69
DS01 ℹ️
0%
28.485 µg/L
6/4/2019
6 years ago
5216 FM 84
DS01 ℹ️
0%
24.125 µg/L
6/4/2019
6 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
0%
23.039 µg/L
6/4/2019
6 years ago
4431 W CRAWFORD
DS01 ℹ️
0%
22.796 µg/L
3/5/2019
6 years ago
400 HWY 69
DS01 ℹ️
0%
20.542 µg/L
3/5/2019
6 years ago
5216 FM 84
DS01 ℹ️
0%
17.86 µg/L
3/5/2019
6 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
0%
18.879 µg/L
3/4/2019
6 years ago
400 HWY 69
DS01 ℹ️
0%
34.848 µg/L
12/3/2018
6 years ago
4431 W CRAWFORD
DS01 ℹ️
0%
31.351 µg/L
12/3/2018
6 years ago
5216 FM 84
DS01 ℹ️
0%
29.671 µg/L
12/3/2018
6 years ago
4631 RANDELL LAKE RD
DS01 ℹ️
0%
27.826 µg/L
12/3/2018
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (4)

LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (4)

LAB SINK
SWTP ℹ️
223.3%
20.1 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 11.1 µg/L
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
220%
19.8 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 10.8 µg/L
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
133.3%
12 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 3 µg/L
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
198.9%
17.9 µg/L
⚠️ Exceeds Reporting Level of 9 µg/L by 8.9 µg/L
5/7/2024
16 months ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (4)

LAB SINK
SWTP ℹ️
0.8%
2.39 µg/L
Meets Reporting Threshold
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
2.3%
6.82 µg/L
Meets Reporting Threshold
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
9.8%
29.4 µg/L
Meets Reporting Threshold
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
9.1%
27.3 µg/L
Meets Reporting Threshold
12/3/2018
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (6)

WTP
WTP ℹ️
0%
<5 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<5 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<5 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<5 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<5 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<5 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (6)

WTP
WTP ℹ️
0%
<0.9 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<0.9 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<0.9 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<0.9 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (10)

DSMRT for SWTP
Distribution System - SW ℹ️
180%
1.8 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.8 µg/L
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
160%
1.6 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
210%
2.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.1 µg/L
10/30/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
190%
1.9 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.9 µg/L
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
130%
1.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L
10/30/2014
10 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
130%
1.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L
10/30/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
210%
2.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.1 µg/L
4/24/2014
11 years ago
LAB SINK
SWTP ℹ️
210%
2.1 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 1.1 µg/L
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
120%
1.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 0.2 µg/L
4/24/2014
11 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
0%
<1 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.006 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (6)

WTP
WTP ℹ️
0%
<10 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<10 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<10 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<10 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<10 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<10 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (4)

LAB SINK
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (4)

LAB SINK
SWTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.05 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (6)

WTP
WTP ℹ️
0%
<4 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<4 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<4 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<4 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<4 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<4 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (9)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.09 µg/L
Below Reporting Level
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.005 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (9)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
LAB SINK
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.01 µg/L
Below Reporting Level
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
0%
<0.01 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (9)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (9)

LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/7/2024
16 months ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (9)

LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/7/2024
16 months ago
LAB SINK
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
0%
<0.04 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (9)

LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/7/2024
16 months ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.004 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.003 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.008 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.007 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (4)

LAB SINK
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
2/3/2025
6 months ago
LAB SINK
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
11/5/2024
9 months ago
LAB SINK
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
8/6/2024
13 months ago
LAB SINK
SWTP ℹ️
0%
<0.002 µg/L
Below Reporting Level
5/7/2024
16 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (4)

LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (4)

LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (6)

WTP
WTP ℹ️
0%
<1 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<1 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<1 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<1 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<1 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<1 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (10)

LAB SINK
SWTP ℹ️
400000%
1200 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1199.7 µg/L
1/29/2015
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
390000%
1170 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1169.7 µg/L
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
390000%
1170 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1169.7 µg/L
10/30/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
380000%
1140 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1139.7 µg/L
10/30/2014
10 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
287000%
861 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 860.7 µg/L
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
269333.3%
808 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 807.7 µg/L
10/30/2014
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
380000%
1140 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1139.7 µg/L
4/24/2014
11 years ago
LAB SINK
SWTP ℹ️
356666.7%
1070 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 1069.7 µg/L
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
246000%
738 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 737.7 µg/L
4/24/2014
11 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
234333.3%
703 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 702.7 µg/L
4/24/2014
11 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (4)

LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (6)

WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
11/12/2001
23 years ago
WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
8/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<2 µg/L
Below Reporting Level
8/13/2001
24 years ago
WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
5/15/2001
24 years ago
WTP
WTP ℹ️
0%
<2 µg/L
Below Reporting Level
2/13/2001
24 years ago
AIRPORT_PS
AIRPORT PS ℹ️
0%
<2 µg/L
Below Reporting Level
2/13/2001
24 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

total microcystins (8)

LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/22/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/8/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/24/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/20/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/6/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/23/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/8/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (4)

LAB SINK
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (4)

LAB SINK
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/10/2019
5 years ago
LAB SINK
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/4/2019
6 years ago
LAB SINK
SWTP ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/3/2018
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (10)

DSMRT for SWTP
Distribution System - SW ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/29/2015
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/29/2015
10 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
175%
0.35 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.15 µg/L
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/30/2014
10 years ago
Sample Tap
Airport PS ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/30/2014
10 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/30/2014
10 years ago
LAB SINK
SWTP ℹ️
190%
0.38 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.18 µg/L
4/24/2014
11 years ago
DSMRT for SWTP
Distribution System - SW ℹ️
105%
0.21 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.01 µg/L
4/24/2014
11 years ago
Sample Tap
Airport PS ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/24/2014
11 years ago
DSMRT for Airport PS
Distribution System - GW ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/24/2014
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

SWTP
Surface Water (SW)

LAB SINKEntry Point to the Distribution System (EP)

DS01
Surface Water (SW)

4631 RANDELL LAKE RDDistribution System (DS)
4431 W CRAWFORDDistribution System (DS)
400 HWY 69Distribution System (DS)
5216 FM 84Distribution System (DS)

Distribution System - SW
Surface Water (SW)

DSMRT for SWTPMaximum Residence Time (MR)

Airport PS
Ground Water (GW)

Sample TapEntry Point to the Distribution System (EP)

Distribution System - GW
Ground Water (GW)

DSMRT for Airport PSMaximum Residence Time (MR)

WTP
Surface Water (SW)

WTPEntry Point to the Distribution System (EP)

AIRPORT PS
Ground Water (GW)

AIRPORT_PSEntry Point to the Distribution System (EP)

FAQ

Is City of Denison tap water safe to drink?

When was City of Denison last tested for water contamination?

The latest water samples were taken on February 3rd, 2025.