KINGSTON WATER DISTRICT
PWS ID: RI1858421 · WEST KINGSTON, Rhode Island 02892
PFAS Detected
5 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
3,968
Total Violations
317
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,092
- County
- Washington
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 305
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Atrazine | MR | 13 | 2023 |
| Arsenic | MR | 8 | 2023 |
| Cadmium | MR | 8 | 2023 |
| Mercury | MR | 8 | 2023 |
| Beryllium, Total | MR | 8 | 2023 |
| Selenium | MR | 8 | 2023 |
| Chromium | MR | 8 | 2023 |
| CYANIDE | MR | 8 | 2023 |
| Nickel | MR | 8 | 2023 |
| Antimony, Total | MR | 8 | 2023 |
| Thallium, Total | MR | 8 | 2023 |
| Barium | MR | 8 | 2023 |
| Consumer Confidence Rule | Other | 7 | 2017 |
| Nitrate | MR | 6 | 2018 |
| Coliform (TCR) | MCL | 5 | 2013 |
| Endrin | MR | 5 | 2023 |
| Methoxychlor | MR | 5 | 2023 |
| Toxaphene | MR | 5 | 2023 |
| Dalapon | MR | 5 | 2023 |
| Simazine | MR | 5 | 2023 |
| Picloram | MR | 5 | 2023 |
| Dinoseb | MR | 5 | 2023 |
| Aldicarb sulfone | MR | 5 | 2023 |
| Aldicarb | MR | 5 | 2023 |
| Heptachlor | MR | 5 | 2023 |
| 2,4,5-TP | MR | 5 | 2023 |
| HEXACHLOROBENZENE | MR | 5 | 2023 |
| Pentachlorophenol | MR | 5 | 2023 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 5 | 2023 |
| ETHYLENE DIBROMIDE | MR | 5 | 2023 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 21 of 180 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFMPA | 6/4/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeS | 6/4/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 6/4/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDoA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 6/4/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFBS | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 6/4/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 6:2 FTS | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 6/4/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 6/4/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFNA | 6/4/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMBA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 6/4/2024 | 0.0077 µg/L | 0.003 µg/L | Detected |
| PFHpS | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 6/4/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 6/4/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 6/4/2024 | 0.0055 µg/L | 0.003 µg/L | Detected |
| 8:2 FTS | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 6/4/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFMPA | 6/4/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFUnA | 6/4/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHpA | 6/4/2024 | 0.0042 µg/L | 0.003 µg/L | Detected |
| 11Cl-PF3OUdS | 6/4/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBS | 6/4/2024 | 0.0290 µg/L | 0.003 µg/L | Detected |
| PFHxS | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 6/4/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 6/4/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 6/4/2024 | 0.0043 µg/L | 0.004 µg/L | Detected |
| PFDA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 6/4/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
PFAS data from EPA UCMR5 monitoring program (2023-2025).
This data is provided for informational purposes only.