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Tap water quality report

Kongiganak Water

EPA monitoring tested this supplier for 48 contaminants and detected 12. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

48
contaminants tested
12
detected
547
people served
104
health-based violations
Alaska rankingsLead in AlaskaPFAS in Alaska
Water source
Surface water
Ownership
Native American
Counties served
Bethel Census Area

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

104
health-based violations
1,945
violations on file
0
still open
ViolationTypeStatusPeriod
TT Health-based Resolved 2021-09-01 → 2021-09-30
TT Health-based Resolved 2021-06-01 → 2021-06-30
TT Health-based Resolved 2021-03-01 → 2021-03-31
TT Health-based Resolved 2020-12-01 → 2020-12-31
TT Health-based Resolved 2020-09-01 → 2020-09-30
TT Health-based Resolved 2020-03-01 → 2020-03-31
TT Health-based Resolved 2020-01-01 → 2020-01-31
TT Health-based Resolved 2020-01-01 → 2020-01-31
TT Health-based Resolved 2019-12-01 → 2019-12-31
TT Health-based Resolved 2019-11-01 → 2019-11-30

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Lead
0.0045 mg/L 30%
of the EPA limit 0.0150 mg/L
 16/16 LCR 2025
Copper
1856 µg/L 143%
of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 2010 µg/L
12/12 SYR4 2013
Lead
10.1575 µg/L 68%
of the EPA limit 15 µg/L
worst single sample: 11.5 µg/L
6/12 SYR4 2013
Chloroform
9.656 µg/L
No EPA limit set
worst single sample: 9.89 µg/L
4/4 SYR4 2013–2018
Nitrate-Nitrite
236 µg/L 2.4%
of the EPA limit 10000 µg/L
 4/8 SYR4 2013–2019
Bromodichloromethane
1.159 µg/L
No EPA limit set
worst single sample: 1.18 µg/L
2/4 SYR4 2013–2018
Dichloroacetic Acid
13.34 µg/L
No EPA limit set
worst single sample: 13.5 µg/L
2/3 SYR4 2013–2014
TTHM
10.9995 µg/L 14%
of the EPA limit 80 µg/L
worst single sample: 11.1 µg/L
2/4 SYR4 2013–2018
Total Haloacetic Acids (HAA5)
21.38 µg/L 36%
of the EPA limit 60 µg/L
worst single sample: 21.4 µg/L
2/3 SYR4 2013–2014
Trichloroacetic Acid
10.9225 µg/L
No EPA limit set
worst single sample: 11.1 µg/L
2/3 SYR4 2013–2014
Barium
6.33 µg/L 0.3%
of the EPA limit 2000 µg/L
 1/1 SYR4 2013
Toluene
1.65 µg/L 0.2%
of the EPA limit 1000 µg/L
 1/3 SYR4 2013–2019
36 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalArsenicBenzeneBeryllium, TotalBromoformChlorobenzeneCyanideCadmiumCarbon TetrachlorideChromiumCombined Radium (-226 And -228)DichloromethaneDibromoacetic AcidDibromochloromethaneEthylbenzeneFluorideMercuryMonobromoacetic AcidMonochloroacetic AcidSeleniumStyreneTetrachloroethyleneThallium, TotalTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
ANDREW, NICOLE
Phone
907-557-2322
Email
[email protected]

Frequently asked questions about Kongiganak Water

Is Kongiganak Water tap water safe to drink?

EPA monitoring detected 12 contaminants in Kongiganak Water's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Kongiganak Water's water?

EPA monitoring detected Lead, Copper, Lead, Chloroform, Nitrate-Nitrite, and others. The full list with the level and data source for each is above.

How many people does Kongiganak Water serve?

Kongiganak Water reports serving 547 people in Alaska, per its EPA record.

Has Kongiganak Water had any water quality violations?

The EPA has 1945 violations on file for Kongiganak Water, of which 104 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.