Public water system record
Chuathbaluk Water System
Serves Chuathbaluk and Aniak, Bethel Census Area, AK · 123 people served
Federal records show 1 health-based violation and 93 monitoring/reporting issues for Chuathbaluk Water System in the last ten years, including an unresolved Groundwater Rule violation.
System profile
Source water
Groundwater
ZIP
99557
EPA system ID
AK2272012
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 93
Key facts
- Chuathbaluk Water System draws water from 1 well.
- Record on file since 2006, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 41 service lines.
Check whether Chuathbaluk Water System serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Jan 1, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Nov 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2025 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2025 | Resolved |
|
Groundwater Rule
OTHER
|
Feb 25, 2025 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Jan 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2025 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Sep 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Aug 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2024 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2023 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Nov 1, 2022 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2022 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2022 | Resolved |
|
Groundwater Rule
OTHER
|
Jan 1, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Styrene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Ethylbenzene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Toluene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Benzene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
CHLOROBENZENE
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Tetrachloroethylene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
1,1,2-Trichloroethane
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Trichloroethylene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
1,2-Dichloropropane
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Carbon tetrachloride
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
1,1,1-Trichloroethane
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
1,2-Dichloroethane
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
trans-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
1,1-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Vinyl chloride
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
p-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
o-Dichlorobenzene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
DICHLOROMETHANE
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Xylenes, Total
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
cis-1,2-Dichloroethylene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
1,2,4-Trichlorobenzene
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2021 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2020 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2020 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2018 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Combined Radium (-226 and -228)
Monitoring and reporting
|
Jan 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Gross Alpha, Excl. Radon and U
Monitoring and reporting
|
Jan 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Combined Uranium
Monitoring and reporting
|
Jan 1, 2017 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2016 | Resolved |
Full record since 2006
EPA's records for Chuathbaluk Water System go back to 2006. Before October 19, 2016 they list no health-based violations and 14 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 7 |
| 2010 to October 18, 2016 | 0 | 7 |
| October 19, 2016 to 2019 | 0 | 6 |
| 2020s | 1 | 86 |
What the violations mean
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Chuathbaluk Water System draws water from 1 well.
Annual water quality report
Chuathbaluk Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Chuathbaluk Water System for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Alaska.
Certified drinking water labs by state EPA guidance for private wells