ALTOONA WATER AUTHORITY
PWS ID: PA4070023 · ALTOONA, Pennsylvania 16601
Population Served
62,500
Total Violations
790
Health-Based Violations
149
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 23,379
- County
- Blair
- School/Daycare
- No
- MCL Violations
- 28
- Monitoring Violations
- 592
- Treatment Tech Violations
- 121
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 115 | 2016 |
| Di(2-ethylhexyl) phthalate | MR | 53 | 2019 |
| Bromate | MR | 29 | 2025 |
| Coliform (TCR) | MCL | 27 | 1997 |
| Revised Total Coliform Rule | RPT | 19 | 2025 |
| CARBON, TOTAL | MR | 18 | 2025 |
| Di(2-ethylhexyl) adipate | MR | 17 | 2004 |
| Hexachlorocyclopentadiene | MR | 17 | 2004 |
| Benzo(a)pyrene | MR | 17 | 2004 |
| Pentachlorophenol | MR | 17 | 2004 |
| Surface Water Treatment Rule | MR | 15 | 2018 |
| Coliform (TCR) | MR | 15 | 2005 |
| Interim Enhanced Surface Water Treatment Rule | MR | 13 | 2019 |
| Thallium, Total | MR | 13 | 2022 |
| p-Dichlorobenzene | MR | 10 | 2016 |
| 1,1-Dichloroethylene | MR | 10 | 2016 |
| 1,2-Dichloroethane | MR | 10 | 2016 |
| Carbon tetrachloride | MR | 10 | 2016 |
| Trichloroethylene | MR | 10 | 2016 |
| Benzene | MR | 10 | 2016 |
| 1,1,1-Trichloroethane | MR | 10 | 2016 |
| ETHYLENE DIBROMIDE | MR | 9 | 2017 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 9 | 2017 |
| Arsenic | MR | 9 | 2019 |
| Nitrate | MR | 9 | 2019 |
| Nitrite | MR | 9 | 2019 |
| Chlordane | MR | 9 | 2017 |
| Endothall | MR | 7 | 2004 |
| OXAMYL | MR | 7 | 2004 |
| Simazine | MR | 7 | 2004 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 236 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFBS | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 9/23/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFHxS | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 9/23/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 9/23/2025 | <9 µg/L | 9 µg/L | Not Detected |
| NMeFOSAA | 9/23/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFTrDA | 9/23/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NFDHA | 9/23/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 9/23/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NEtFOSAA | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFNA | 9/23/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeS | 9/23/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| HFPO-DA | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 9/23/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 9/23/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 9/23/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFTA | 9/23/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFMPA | 9/23/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 4:2 FTS | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 11Cl-PF3OUdS | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 9/23/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFUnA | 9/23/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFDoA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NEtFOSAA | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 9/23/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| HFPO-DA | 9/23/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxS | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| lithium | 9/23/2025 | <9 µg/L | 9 µg/L | Not Detected |
| PFTrDA | 9/23/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFHxA | 9/23/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 9/23/2025 | <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.