KOLIGANEK WATER SYSTEM
PWSID: AK2260040 · Koliganek, AK · Serves 170 people
According to EPA Safe Drinking Water Information System (SDWIS), KOLIGANEK WATER SYSTEM (PWSID AK2260040) in Koliganek, AK is listed as a CWS water system covering about 170 people. The same extract lists 12 health-based violation records spanning 2014-2018. Those 12 health-based rows for KOLIGANEK WATER SYSTEM cover contaminants such as Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
KOLIGANEK WATER SYSTEM has 12 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 1 distinct EPA contaminant code appears in this system's record, including Groundwater Rule. Recorded violations span 2014–2018. Day-to-day primacy enforcement for this system runs through the Alaska drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Alaska state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- AK2260040
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Koliganek, AK
- Population Served
- 170
- Health Violations
- Yes (12)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 12 | 12 |
Violation History (12)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Aug 27, 2018 |
| Groundwater Rule | Yes | Aug 27, 2018 |
| Groundwater Rule | Yes | Aug 27, 2018 |
| Groundwater Rule | Yes | Aug 27, 2018 |
| Groundwater Rule | Yes | Aug 27, 2018 |
| Groundwater Rule | Yes | Aug 27, 2018 |
| Groundwater Rule | Yes | Aug 27, 2018 |
| Groundwater Rule | Yes | Jun 1, 2014 |
| Groundwater Rule | Yes | Jun 1, 2014 |
| Groundwater Rule | Yes | Jun 1, 2014 |
| Groundwater Rule | Yes | Jun 1, 2014 |
| Groundwater Rule | Yes | Jun 1, 2014 |
Frequently Asked Questions
What does EPA SDWIS list for KOLIGANEK WATER SYSTEM?
How many people does KOLIGANEK WATER SYSTEM serve?
What violations does KOLIGANEK WATER SYSTEM have?
What contaminants have been found in KOLIGANEK WATER SYSTEM water?
Compare beyond Alaska
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest KOLIGANEK WATER SYSTEM on cumulative violation count (12) and EPA-reported population served (170). Violation-count peers include SAC & FOX (MESKWAKI) IN IOWA, Walker River Paiute Tribe, FOUNTAIN HILL WATERWORKS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
KOLIGANEK WATER SYSTEM (AK2260040) is drawn from EPA SDWIS. Nearby county systems in this extract include DILLINGHAM WATER SYSTEM; TOGIAK WATER SYSTEM; NEW STUYAHOK WATER SYSTEM; BBAHC - KANAKANAK HOSPITAL. Health-based rows (12 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.