Waikoloa (HI) Water Quality

Waikoloa is a large public water system in EPA region 9 that provides tap water for the 96738 zip codes. It has 5 facilities where the water supply was tested for 65 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 1.95 µg/L. There were 1 contamintants found in the Waikoloa 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 (2)
1H,1H,2H,2H-perfluorodecane sulfonic acid (2)
1H,1H,2H,2H-perfluorohexane sulfonic acid (2)
1H,1H,2H,2H-perfluorooctane sulfonic acid (2)
2-methoxyethanol (4)
2-propen-1-ol (Allyl Alcohol) (4)
4,8-dioxa-3H-perfluorononanoic acid (2)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)
alpha-hexachlorocyclohexane (4)
bromochloromethane (Halon 1011) (4)
bromomethane (4)
Butylated Hydroxyanisole (4)
chlorate (6)
chlorodifluoromethane (HCFC-22) (4)
chloromethane (4)
chlorpyrifos (4)
chromium (6)
chromium-6 (6)
cobalt (6)
dimethipin (4)
ethoprop (4)
Germanium (4)
HAA5 (five regulated haloacetic acids) (4)
HAA6Br (six brominated haloacetic acids) (4)
HAA9 (nine haloacetic acids) (4)
hexafluoropropylene oxide dimer acid (GenX) (2)
lithium (2)
Manganese (4)
molybdenum (6)
N-ethyl perfluorooctanesulfonamidoacetic acid (2)
N-methyl perfluorooctanesulfonamidoacetic acid (2)
nonafluoro-3,6-dioxaheptanoic acid (2)
o-toluidine (4)
oxyfluorfen (4)
perfluoro(2-ethoxyethane)sulfonic acid (2)
perfluoro-3-methoxypropanoic acid (2)
perfluoro-4-methoxybutanoic acid (2)
perfluorobutanesulfonic acid (6)
perfluorobutanoic acid (2)
perfluorodecanoic acid (2)
perfluorododecanoic acid (2)
perfluoroheptanesulfonic acid (2)
perfluoroheptanoic acid (6)
perfluorohexanesulfonic acid (6)
perfluorohexanoic acid (2)
perfluorononanoic acid (6)
perfluorooctanesulfonic acid (6)
perfluorooctanoic acid (6)
perfluoropentanesulfonic acid (2)
perfluoropentanoic acid (2)
perfluorotetradecanoic acid (2)
perfluorotridecanoic acid (2)
perfluoroundecanoic acid (2)
profenofos (4)
quinoline (4)
strontium (6)
tebuconazole (4)
Total Permethrin (4)
tribufos (4)
vanadium (6)

1,1-dichloroethane (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

1,2,3-trichloropropane (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

1,3-butadiene (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.1 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.1 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.1 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.1 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

1,4-dioxane (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.07 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.07 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.07 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.07 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

1-butanol (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<2 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<2 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<2 µg/L

Below Reporting Level

2/11/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<2 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

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

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

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

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

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

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

2-methoxyethanol (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.4 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.4 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.4 µg/L

Below Reporting Level

2/11/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.4 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

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

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.5 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.5 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.5 µg/L

Below Reporting Level

2/11/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.5 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.002 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.002 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.01 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.01 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.01 µg/L

Below Reporting Level

3/16/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.01 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.06 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.06 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.06 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.06 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

bromomethane (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.2 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.2 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.2 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.2 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

Butylated Hydroxyanisole (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

chlorate (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<20 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<20 µg/L

Below Reporting Level

3/10/2014

11 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

<20 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<20 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<20 µg/L

Below Reporting Level

9/5/2013

12 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

<20 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.08 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.08 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.08 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.08 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

chloromethane (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.2 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.2 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.2 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.2 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

chlorpyrifos (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

3/16/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

chromium (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.9 µg/L

3/10/2014

11 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.6 µg/L

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

3.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.5 µg/L

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.6 µg/L

9/5/2013

12 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

3.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.5 µg/L

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

3.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.2 µg/L

9/5/2013

12 years ago

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

Contaminant Details

chromium-6 (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.37 µg/L

3/10/2014

11 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.07 µg/L

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.97 µg/L

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.37 µg/L

9/5/2013

12 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.07 µg/L

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.97 µg/L

9/5/2013

12 years ago

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

Contaminant Details

cobalt (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<1 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<1 µg/L

Below Reporting Level

3/10/2014

11 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

<1 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<1 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<1 µg/L

Below Reporting Level

9/5/2013

12 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

dimethipin (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.2 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.2 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.2 µg/L

Below Reporting Level

3/16/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

ethoprop (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

3/16/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

Germanium (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.3 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.3 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.3 µg/L

Below Reporting Level

2/11/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.3 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (4)

Outrigger Potable Line

PS135 DS902 ℹ️

1.95 µg/L

Meets Reporting Threshold

8/18/2020

5 years ago

Bay Club Reception

PWS135 DS901 ℹ️

1.86 µg/L

Meets Reporting Threshold

8/18/2020

5 years ago

Bay Club Reception

PWS135 DS901 ℹ️

1.3 µg/L

Meets Reporting Threshold

2/11/2020

5 years ago

Outrigger Potable Line

PS135 DS902 ℹ️

1.1 µg/L

Meets Reporting Threshold

2/11/2020

5 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (4)

Outrigger Potable Line

PS135 DS902 ℹ️

0.98 µg/L

8/18/2020

5 years ago

Bay Club Reception

PWS135 DS901 ℹ️

0.86 µg/L

8/18/2020

5 years ago

Bay Club Reception

PWS135 DS901 ℹ️

1.3 µg/L

2/11/2020

5 years ago

Outrigger Potable Line

PS135 DS902 ℹ️

1.1 µg/L

2/11/2020

5 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (4)

Outrigger Potable Line

PS135 DS902 ℹ️

1.95 µg/L

8/18/2020

5 years ago

Bay Club Reception

PWS135 DS901 ℹ️

1.86 µg/L

8/18/2020

5 years ago

Bay Club Reception

PWS135 DS901 ℹ️

1.3 µg/L

2/11/2020

5 years ago

Outrigger Potable Line

PS135 DS902 ℹ️

1.1 µg/L

2/11/2020

5 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

lithium (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<9 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<9 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

Manganese (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.4 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.4 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.4 µg/L

Below Reporting Level

2/11/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.4 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

molybdenum (6)

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 8 µg/L

3/10/2014

11 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

7.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 6.2 µg/L

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

4.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.5 µg/L

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

9.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 8.5 µg/L

9/5/2013

12 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

8.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 7.4 µg/L

9/5/2013

12 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

4.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.9 µg/L

9/5/2013

12 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.006 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.006 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.02 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.02 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

o-toluidine (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.007 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.007 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.007 µg/L

Below Reporting Level

2/11/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.007 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

oxyfluorfen (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.05 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.05 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.05 µg/L

Below Reporting Level

3/16/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.05 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.09 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.09 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.09 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.09 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

perfluorobutanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.005 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluorodecanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluorododecanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluoroheptanoic acid (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.01 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.01 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.01 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.01 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.03 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

perfluorohexanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluorononanoic acid (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.02 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.02 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.02 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.02 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.04 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.04 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.04 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.04 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

perfluorooctanoic acid (6)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.02 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.02 µg/L

Below Reporting Level

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.02 µg/L

Below Reporting Level

9/5/2013

12 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.02 µg/L

Below Reporting Level

9/5/2013

12 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.004 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluoropentanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.003 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluorotetradecanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.008 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.008 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluorotridecanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.007 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.007 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

perfluoroundecanoic acid (2)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.002 µg/L

Below Reporting Level

12/2/2024

11 months ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.002 µg/L

Below Reporting Level

12/2/2024

11 months ago

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

Contaminant Details

profenofos (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.3 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.3 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.3 µg/L

Below Reporting Level

3/16/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.3 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

quinoline (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.02 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.02 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.02 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

strontium (6)

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

82 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 81.7 µg/L

3/10/2014

11 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

69 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 68.7 µg/L

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

45 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 44.7 µg/L

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

81 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 80.7 µg/L

9/5/2013

12 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

74 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 73.7 µg/L

9/5/2013

12 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

48 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 47.7 µg/L

9/5/2013

12 years ago

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

Contaminant Details

tebuconazole (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.2 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.2 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.2 µg/L

Below Reporting Level

3/16/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.2 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

Total Permethrin (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.04 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.04 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.04 µg/L

Below Reporting Level

3/16/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.04 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

tribufos (4)

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.07 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.07 µg/L

Below Reporting Level

8/18/2020

5 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

<0.07 µg/L

Below Reporting Level

3/16/2020

5 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

<0.07 µg/L

Below Reporting Level

2/11/2020

5 years ago

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

Contaminant Details

vanadium (6)

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

71 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 70.8 µg/L

3/10/2014

11 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

62 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 61.8 µg/L

3/10/2014

11 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

56 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 55.8 µg/L

3/10/2014

11 years ago

Reservoir 1200 South

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) ℹ️

59 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 58.8 µg/L

9/5/2013

12 years ago

Bay Club Reception- DSMRT for wells 2,3,4,5,6,

Distribution System ℹ️

59 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 58.8 µg/L

9/5/2013

12 years ago

Reservoir 1200 North

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) ℹ️

52 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 51.8 µg/L

9/5/2013

12 years ago

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

Contaminant Details

Sampling Facilities

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001)
Ground Water (GW)

Reservoir 1200 NorthEntry Point to the Distribution System (EP)

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003)
Ground Water (GW)

Reservoir 1200 SouthEntry Point to the Distribution System (EP)

PWS135 DS901
Ground Water (GW)

Bay Club ReceptionDistribution System (DS)

PS135 DS902
Ground Water (GW)

Outrigger Potable LineDistribution System (DS)

Distribution System
Ground Water (GW)

Bay Club Reception- DSMRT for wells 2,3,4,5,6,Maximum Residence Time (MR)

FAQ

Is Waikoloa tap water safe to drink?

When was Waikoloa last tested for water contamination?

The latest water samples were taken on December 2nd, 2024.

Contaminants

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 (2)

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

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

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

2-methoxyethanol (4)

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

4,8-dioxa-3H-perfluorononanoic acid (2)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

alpha-hexachlorocyclohexane (4)

bromochloromethane (Halon 1011) (4)

bromomethane (4)

Butylated Hydroxyanisole (4)

chlorate (6)

chlorodifluoromethane (HCFC-22) (4)

chloromethane (4)

chlorpyrifos (4)

chromium (6)

chromium-6 (6)

cobalt (6)

dimethipin (4)

ethoprop (4)

Germanium (4)

HAA5 (five regulated haloacetic acids) (4)

HAA6Br (six brominated haloacetic acids) (4)

HAA9 (nine haloacetic acids) (4)

hexafluoropropylene oxide dimer acid (GenX) (2)

lithium (2)

Manganese (4)

molybdenum (6)

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

N-methyl perfluorooctanesulfonamidoacetic acid (2)

nonafluoro-3,6-dioxaheptanoic acid (2)

o-toluidine (4)

oxyfluorfen (4)

perfluoro(2-ethoxyethane)sulfonic acid (2)

perfluoro-3-methoxypropanoic acid (2)

perfluoro-4-methoxybutanoic acid (2)

perfluorobutanesulfonic acid (6)

perfluorobutanoic acid (2)

perfluorodecanoic acid (2)

perfluorododecanoic acid (2)

perfluoroheptanesulfonic acid (2)

perfluoroheptanoic acid (6)

perfluorohexanesulfonic acid (6)

perfluorohexanoic acid (2)

perfluorononanoic acid (6)

perfluorooctanesulfonic acid (6)

perfluorooctanoic acid (6)

perfluoropentanesulfonic acid (2)

perfluoropentanoic acid (2)

perfluorotetradecanoic acid (2)

perfluorotridecanoic acid (2)

perfluoroundecanoic acid (2)

profenofos (4)

quinoline (4)

strontium (6)

tebuconazole (4)

Total Permethrin (4)

tribufos (4)

vanadium (6)

Sampling Facilities

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001) Ground Water (GW)

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003) Ground Water (GW)

PWS135 DS901 Ground Water (GW)

PS135 DS902 Ground Water (GW)

Distribution System Ground Water (GW)

FAQ

Is Waikoloa tap water safe to drink?

When was Waikoloa last tested for water contamination?

PARKER 4&5, WAIKOLOA 1&7 CHLORINATOR (TP001)
Ground Water (GW)

WAIKOLOA WELL 2,3,6,8 CHLORINATOR (TP003)
Ground Water (GW)

PWS135 DS901
Ground Water (GW)

PS135 DS902
Ground Water (GW)

Distribution System
Ground Water (GW)