Water quality report for Nikolaevsk, AK — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.
A look at Nikolaevsk's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.
Lead was not detected and no violations are open. PFAS has never been sampled at this system.
Graded on violations and lead, with state inspection findings. PFAS not tested.
| Contaminant | Type | Measured | Limit | Period | Status |
|---|---|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2026 | Archived |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2026 | Archived |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2026 | Archived |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2026 | Archived |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Archived |
| LEAD AND COPPER RULE REVISIONS | TREATMENT TECHNIQUE | — | — | 2024 | Resolved |
| LEAD AND COPPER RULE REVISIONS | REPORTING FAILURE | — | — | 2024 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2024 | Resolved |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2024 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2024 | Resolved |
| Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2024 | Resolved |
| Nitrate | MONITORING AND REPORTING | — | 10 mg/L | 2024 | Resolved |
| 1,2,4-Trichlorobenzene | MONITORING AND REPORTING | — | 0.07 mg/L | 2024 | Resolved |
| cis-1,2-Dichloroethylene | MONITORING AND REPORTING | — | 0.07 mg/L | 2024 | Resolved |
| Xylenes, Total | MONITORING AND REPORTING | — | 10 mg/L | 2024 | Resolved |
| DICHLOROMETHANE | MONITORING AND REPORTING | — | 0.005 mg/L | 2024 | Resolved |
| o-Dichlorobenzene | MONITORING AND REPORTING | — | 0.6 mg/L | 2024 | Resolved |
| p-Dichlorobenzene | MONITORING AND REPORTING | — | 0.075 mg/L | 2024 | Resolved |
| Vinyl chloride | MONITORING AND REPORTING | — | 0.002 mg/L | 2024 | Resolved |
| 1,1-Dichloroethylene | MONITORING AND REPORTING | — | 0.007 mg/L | 2024 | Resolved |
| trans-1,2-Dichloroethylene | MONITORING AND REPORTING | — | 0.1 mg/L | 2024 | Resolved |
| 1,2-Dichloroethane | MONITORING AND REPORTING | — | 0.005 mg/L | 2024 | Resolved |
| 1,1,1-Trichloroethane | MONITORING AND REPORTING | — | 0.2 mg/L | 2024 | Resolved |
| Carbon tetrachloride | MONITORING AND REPORTING | — | 0.005 mg/L | 2024 | Resolved |
| 1,2-Dichloropropane | MONITORING AND REPORTING | — | 0.005 mg/L | 2024 | Resolved |
| Trichloroethylene | MONITORING AND REPORTING | — | 0.005 mg/L | 2024 | Resolved |
| 1,1,2-Trichloroethane | MONITORING AND REPORTING | — | 0.005 mg/L | 2024 | Resolved |
| Tetrachloroethylene | MONITORING AND REPORTING | — | 0.005 mg/L | 2024 | Resolved |
| CHLOROBENZENE | MONITORING AND REPORTING | — | 0.1 mg/L | 2024 | Resolved |
| Benzene | MONITORING AND REPORTING | — | 0.005 mg/L | 2024 | Resolved |
| Toluene | MONITORING AND REPORTING | — | 1 mg/L | 2024 | Resolved |
| Ethylbenzene | MONITORING AND REPORTING | — | 0.7 mg/L | 2024 | Resolved |
| Styrene | MONITORING AND REPORTING | — | 0.1 mg/L | 2024 | Resolved |
| TTHM | MONITORING AND REPORTING | — | 0.080 mg/L | 2024 | Resolved |
| Total Haloacetic Acids (HAA5) | MONITORING AND REPORTING | — | 0.060 mg/L | 2024 | Resolved |
| 1,2,4-Trichlorobenzene | MONITORING AND REPORTING | — | 0.07 mg/L | 2023 | Resolved |
| cis-1,2-Dichloroethylene | MONITORING AND REPORTING | — | 0.07 mg/L | 2023 | Resolved |
| Xylenes, Total | MONITORING AND REPORTING | — | 10 mg/L | 2023 | Resolved |
| DICHLOROMETHANE | MONITORING AND REPORTING | — | 0.005 mg/L | 2023 | Resolved |
| o-Dichlorobenzene | MONITORING AND REPORTING | — | 0.6 mg/L | 2023 | Resolved |
| p-Dichlorobenzene | MONITORING AND REPORTING | — | 0.075 mg/L | 2023 | Resolved |
| Vinyl chloride | MONITORING AND REPORTING | — | 0.002 mg/L | 2023 | Resolved |
| 1,1-Dichloroethylene | MONITORING AND REPORTING | — | 0.007 mg/L | 2023 | Resolved |
| trans-1,2-Dichloroethylene | MONITORING AND REPORTING | — | 0.1 mg/L | 2023 | Resolved |
| 1,2-Dichloroethane | MONITORING AND REPORTING | — | 0.005 mg/L | 2023 | Resolved |
| 1,1,1-Trichloroethane | MONITORING AND REPORTING | — | 0.2 mg/L | 2023 | Resolved |
| Carbon tetrachloride | MONITORING AND REPORTING | — | 0.005 mg/L | 2023 | Resolved |
| 1,2-Dichloropropane | MONITORING AND REPORTING | — | 0.005 mg/L | 2023 | Resolved |
| Trichloroethylene | MONITORING AND REPORTING | — | 0.005 mg/L | 2023 | Resolved |
| 1,1,2-Trichloroethane | MONITORING AND REPORTING | — | 0.005 mg/L | 2023 | Resolved |
| Tetrachloroethylene | MONITORING AND REPORTING | — | 0.005 mg/L | 2023 | Resolved |
| CHLOROBENZENE | MONITORING AND REPORTING | — | 0.1 mg/L | 2023 | Resolved |
| Benzene | MONITORING AND REPORTING | — | 0.005 mg/L | 2023 | Resolved |
| Toluene | MONITORING AND REPORTING | — | 1 mg/L | 2023 | Resolved |
| Ethylbenzene | MONITORING AND REPORTING | — | 0.7 mg/L | 2023 | Resolved |
| Styrene | MONITORING AND REPORTING | — | 0.1 mg/L | 2023 | Resolved |
| Consumer Confidence Rule | OTHER | — | — | 2021 | Resolved |
| Nitrate | MONITORING AND REPORTING | — | 10 mg/L | 2019 | Resolved |
| 1,2,4-Trichlorobenzene | MONITORING AND REPORTING | — | 0.07 mg/L | 2018 | Resolved |
| cis-1,2-Dichloroethylene | MONITORING AND REPORTING | — | 0.07 mg/L | 2018 | Resolved |
| Xylenes, Total | MONITORING AND REPORTING | — | 10 mg/L | 2018 | Resolved |
| DICHLOROMETHANE | MONITORING AND REPORTING | — | 0.005 mg/L | 2018 | Resolved |
| o-Dichlorobenzene | MONITORING AND REPORTING | — | 0.6 mg/L | 2018 | Resolved |
| p-Dichlorobenzene | MONITORING AND REPORTING | — | 0.075 mg/L | 2018 | Resolved |
| Vinyl chloride | MONITORING AND REPORTING | — | 0.002 mg/L | 2018 | Resolved |
| 1,1-Dichloroethylene | MONITORING AND REPORTING | — | 0.007 mg/L | 2018 | Resolved |
| trans-1,2-Dichloroethylene | MONITORING AND REPORTING | — | 0.1 mg/L | 2018 | Resolved |
| 1,2-Dichloroethane | MONITORING AND REPORTING | — | 0.005 mg/L | 2018 | Resolved |
| 1,1,1-Trichloroethane | MONITORING AND REPORTING | — | 0.2 mg/L | 2018 | Resolved |
| Carbon tetrachloride | MONITORING AND REPORTING | — | 0.005 mg/L | 2018 | Resolved |
| 1,2-Dichloropropane | MONITORING AND REPORTING | — | 0.005 mg/L | 2018 | Resolved |
| Trichloroethylene | MONITORING AND REPORTING | — | 0.005 mg/L | 2018 | Resolved |
| 1,1,2-Trichloroethane | MONITORING AND REPORTING | — | 0.005 mg/L | 2018 | Resolved |
| Tetrachloroethylene | MONITORING AND REPORTING | — | 0.005 mg/L | 2018 | Resolved |
| CHLOROBENZENE | MONITORING AND REPORTING | — | 0.1 mg/L | 2018 | Resolved |
| Benzene | MONITORING AND REPORTING | — | 0.005 mg/L | 2018 | Resolved |
| Toluene | MONITORING AND REPORTING | — | 1 mg/L | 2018 | Resolved |
| Ethylbenzene | MONITORING AND REPORTING | — | 0.7 mg/L | 2018 | Resolved |
| Styrene | MONITORING AND REPORTING | — | 0.1 mg/L | 2018 | Resolved |
| E. COLI | MONITORING AND REPORTING | — | 0 | 2017 | Resolved |
| TTHM | MONITORING AND REPORTING | — | 0.080 mg/L | 2017–2018 | Resolved |
| Total Haloacetic Acids (HAA5) | MONITORING AND REPORTING | — | 0.060 mg/L | 2017–2018 | Resolved |
| Surface Water Treatment Rule | TREATMENT TECHNIQUE | — | — | 2016 | Resolved |
| TTHM | MONITORING AND REPORTING | — | 0.080 mg/L | 2016–2017 | Resolved |
| Total Haloacetic Acids (HAA5) | MONITORING AND REPORTING | — | 0.060 mg/L | 2016–2017 | Resolved |
| Revised Total Coliform Rule | OTHER | — | — | 2016 | Resolved |
| Coliform (TCR) | MONITORING AND REPORTING | — | 5% of samples | 2015 | Resolved |