AVRA WATER COOP INC
PWS ID: AZ0410006 · TUCSON, Arizona 85743
PFAS Detected
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
Population Served
6,685
Total Violations
143
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 2,704
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 7
- Monitoring Violations
- 111
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 15 | 2014 |
| Chlorine | MR | 12 | 2024 |
| Arsenic | MR | 8 | 1998 |
| Thallium, Total | MR | 6 | 1998 |
| Antimony, Total | MR | 6 | 1998 |
| Arsenic | MCL | 6 | 2007 |
| Consumer Confidence Rule | Other | 5 | 2013 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2008 |
| TTHM | MR | 5 | 2008 |
| Fluoride | MR | 4 | 1998 |
| Selenium | MR | 2 | 1992 |
| DICHLOROMETHANE | MR | 2 | 1999 |
| Barium | MR | 2 | 1992 |
| Chromium | MR | 2 | 1992 |
| Nitrate | MR | 2 | 2009 |
| Cadmium | MR | 2 | 1992 |
| Mercury | MR | 2 | 1992 |
| Lead and Copper Rule | MR | 2 | 2025 |
| BHC-GAMMA | MR | 1 | 1998 |
| Methoxychlor | MR | 1 | 1998 |
| Dalapon | MR | 1 | 1998 |
| Glyphosate | MR | 1 | 1998 |
| OXAMYL | MR | 1 | 1998 |
| Simazine | MR | 1 | 1998 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 1998 |
| Picloram | MR | 1 | 1998 |
| Dinoseb | MR | 1 | 1998 |
| Carbofuran | MR | 1 | 1998 |
| Atrazine | MR | 1 | 1998 |
| Heptachlor epoxide | MR | 1 | 1998 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFDA | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 8/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 8/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| ADONA | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 8/14/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| NMeFOSAA | 8/14/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 8/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFTrDA | 8/14/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| PFTA | 8/14/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFOS | 8/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 8/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeS | 8/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFEESA | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 8/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/14/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 4:2 FTS | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 6:2 FTS | 8/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 8/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 8/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NFDHA | 8/14/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFPeA | 8/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NEtFOSAA | 7/10/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 7/10/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFTA | 7/10/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| lithium | 7/10/2024 | 19.0000 µg/L | 9 µg/L | Detected |
| PFTrDA | 7/10/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| 6:2 FTS | 6/5/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 11Cl-PF3OUdS | 6/5/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 8:2 FTS | 6/5/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeS | 6/5/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NFDHA | 6/5/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 6/5/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 6/5/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeA | 6/5/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMPA | 6/5/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 4:2 FTS | 6/5/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 6/5/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| HFPO-DA | 6/5/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 9Cl-PF3ONS | 6/5/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFUnA | 6/5/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 6/5/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 6/5/2024 | <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.