Skip to content
AquaCensus

Public water system · AK2270338

Active

Chefornak Water System

Community water system in Bethel Census Area County, Alaska, drawing primarily on groundwater.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

513

Service connections

7

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDAK2270338
System typeCommunity water system
Activity statusActive
Population served513
Service connections7
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyAK state drinking water program
City servedChefornak
StateAlaska
ZIP—
CountyBethel Census Area County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2026-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2025-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2025-10-15Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoUnaddressed
2025-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) adipatecode 2035NoResolved
2025-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 03Dalaponcode 2031NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 032,4,5-TP (Silvex)code 2110NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dibromo-3-chloropropane (DBCP)code 2931NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 03Toxaphenecode 2020NoResolved
2025-01-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Chefornak Water System: frequently asked questions

Is Chefornak Water System's water safe to drink?

Chefornak Water System is an active community water system regulated under the Safe Drinking Water Act, overseen by the AK state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Chefornak Water System?

Chefornak Water System (PWSID AK2270338) is a native american-owned community water system, regulated by the AK state drinking water program.

How many people does Chefornak Water System serve?

Chefornak Water System reports serving 513 people through 7 service connections in Bethel Census Area County, Alaska.

Where does Chefornak Water System get its water?

EPA SDWIS lists this system's primary water source as groundwater.

Other water systems in Bethel Census Area County

Water systemCountyPopulation servedTypeSource
Bethel Heights Water SystemBethel Census Area2,228CommunityGroundwater
Bethel-City S/D WaterBethel Census Area1,660CommunityGroundwater
Kwethluk New Piped Water SystemBethel Census Area760CommunitySurface water
Quinhagak Water SystemBethel Census Area724CommunitySurface water
Toksook Bay Water SystemBethel Census Area661CommunityGroundwater
Kipnuk Water SystemBethel Census Area639CommunitySurface water

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.