WASHINGTON WATER WORKS
PWS ID: IN5214007 · WASHINGTON, Indiana 47501
Population Served
13,690
Total Violations
24
Health-Based Violations
13
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 5,476
- County
- Daviess
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 4
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 11 | 1998 |
| Consumer Confidence Rule | Other | 4 | 2025 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 2 | 2025 |
| Nitrate | MR | 2 | 1995 |
| Coliform (TCR) | MR | 1 | 1991 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1980 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFTA | 9/25/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NMeFOSAA | 9/25/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| lithium | 9/25/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFTrDA | 9/25/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 9/25/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFOA | 3/20/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 6:2 FTS | 3/20/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 3/20/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 3/20/2023 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| 11Cl-PF3OUdS | 3/20/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxA | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 4:2 FTS | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 3/20/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFOS | 3/20/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 3/20/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 3/20/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFTrDA | 3/20/2023 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFTA | 3/20/2023 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| 9Cl-PF3ONS | 3/20/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| NEtFOSAA | 3/20/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 8:2 FTS | 3/20/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NFDHA | 3/20/2023 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| lithium | 3/20/2023 | <9 µg/L | 9 µg/L | Not Detected |
| PFHpS | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 3/20/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFEESA | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 3/20/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 3/20/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 9Cl-PF3ONS | 11/27/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| HFPO-DA | 11/27/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 11/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| ADONA | 11/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 11/27/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 11Cl-PF3OUdS | 11/27/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 11/27/2023 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 11/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 11/27/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 11/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 11/27/2023 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 8:2 FTS | 11/27/2023 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFOS | 11/27/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMPA | 11/27/2023 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 11/27/2023 | <0.004 µg/L | 0.004 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.