Scua Upper Seven Mile
PWSID 090400114 · San Carlos, Arizona · serves 8,478 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBS | 53.8 ppt | — | 7/8/2025 |
| PFBS | 50.9 ppt | — | 1/7/2025 |
| PFBS | 47.9 ppt | — | 1/7/2025 |
| PFBS | 29.7 ppt | — | 7/8/2025 |
| PFBS | 25.1 ppt | — | 7/8/2025 |
| PFBS | 20.1 ppt | — | 1/7/2025 |
| PFBS | 13.1 ppt | — | 7/8/2025 |
| PFBS | 11.3 ppt | — | 1/7/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-04-01 | Arsenic | MR | No | Archived |
| 2026-01-31 | Revised Total Coliform Rule | TT | Yes | Resolved |
| 2026-01-31 | Revised Total Coliform Rule | TT | Yes | Resolved |
| 2026-01-31 | Public Notice | Other | No | Unaddressed |
| 2026-01-31 | Public Notice | Other | No | Unaddressed |
| 2025-11-28 | Revised Total Coliform Rule | TT | Yes | Resolved |
| 2025-11-28 | Groundwater Rule | TT | Yes | Unaddressed |
| 2025-11-28 | Groundwater Rule | TT | Yes | Unaddressed |
| 2025-11-01 | Revised Total Coliform Rule | MCL | Yes | Resolved |
| 2025-11-01 | Groundwater Rule | TT | Yes | Unaddressed |
| 2025-11-01 | Groundwater Rule | TT | Yes | Unaddressed |
| 2025-11-01 | Groundwater Rule | TT | Yes | Unaddressed |
| 2025-10-24 | Groundwater Rule | TT | Yes | Unaddressed |
| 2025-10-10 | Groundwater Rule | TT | Yes | Unaddressed |
| 2025-10-01 | Chlorine | MR | No | Resolved |
| 2025-10-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2025-07-01 | Chlorine | MR | No | Archived |
| 2025-01-01 | Nitrate | MR | No | Archived |
| 2024-11-16 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2024-07-01 | Chlorine | MR | No | Resolved |
| 2024-04-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2024-04-01 | Combined Uranium | MR | No | Resolved |
| 2024-04-01 | Combined Radium (-226 and -228) | MR | No | Resolved |
| 2024-04-01 | Chlorine | MR | No | Resolved |
| 2024-03-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-03-01 | Public Notice | Other | No | Resolved |
| 2024-01-01 | Arsenic | MR | No | Resolved |
| 2024-01-01 | Endrin | MR | No | Resolved |
| 2024-01-01 | BHC-GAMMA | MR | No | Resolved |
| 2024-01-01 | Methoxychlor | MR | No | Resolved |
| 2024-01-01 | Toxaphene | MR | No | Resolved |
| 2024-01-01 | Dalapon | MR | No | Resolved |
| 2024-01-01 | Diquat | MR | No | Resolved |
| 2024-01-01 | Endothall | MR | No | Resolved |
| 2024-01-01 | Glyphosate | MR | No | Resolved |
| 2024-01-01 | Di(2-ethylhexyl) adipate | MR | No | Resolved |
| 2024-01-01 | OXAMYL | MR | No | Resolved |
| 2024-01-01 | Simazine | MR | No | Resolved |
| 2024-01-01 | Di(2-ethylhexyl) phthalate | MR | No | Resolved |
| 2024-01-01 | Picloram | MR | No | Resolved |
| 2024-01-01 | Dinoseb | MR | No | Resolved |
| 2024-01-01 | Hexachlorocyclopentadiene | MR | No | Resolved |
| 2024-01-01 | Carbofuran | MR | No | Resolved |
| 2024-01-01 | Atrazine | MR | No | Resolved |
| 2024-01-01 | LASSO | MR | No | Resolved |
| 2024-01-01 | 2,3,7,8-TCDD | MR | No | Resolved |
| 2024-01-01 | Heptachlor | MR | No | Resolved |
| 2024-01-01 | Heptachlor epoxide | MR | No | Resolved |
| 2024-01-01 | 2,4-D | MR | No | Resolved |
| 2024-01-01 | 2,4,5-TP | MR | No | Resolved |
| 2024-01-01 | HEXACHLOROBENZENE | MR | No | Resolved |
| 2024-01-01 | Benzo(a)pyrene | MR | No | Resolved |
| 2024-01-01 | Pentachlorophenol | MR | No | Resolved |
| 2024-01-01 | 1,2,4-Trichlorobenzene | MR | No | Resolved |
| 2024-01-01 | cis-1,2-Dichloroethylene | MR | No | Resolved |
| 2024-01-01 | Total Polychlorinated Biphenyls (PCB) | MR | No | Resolved |
| 2024-01-01 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | Resolved |
| 2024-01-01 | ETHYLENE DIBROMIDE | MR | No | Resolved |
| 2024-01-01 | Xylenes, Total | MR | No | Resolved |
| 2024-01-01 | Chlordane | MR | No | Resolved |
| 2024-01-01 | DICHLOROMETHANE | MR | No | Resolved |
| 2024-01-01 | o-Dichlorobenzene | MR | No | Resolved |
| 2024-01-01 | p-Dichlorobenzene | MR | No | Resolved |
| 2024-01-01 | Vinyl chloride | MR | No | Resolved |
| 2024-01-01 | 1,1-Dichloroethylene | MR | No | Resolved |
| 2024-01-01 | trans-1,2-Dichloroethylene | MR | No | Resolved |
| 2024-01-01 | 1,2-Dichloroethane | MR | No | Resolved |
| 2024-01-01 | 1,1,1-Trichloroethane | MR | No | Resolved |
| 2024-01-01 | Carbon tetrachloride | MR | No | Resolved |
| 2024-01-01 | 1,2-Dichloropropane | MR | No | Resolved |
| 2024-01-01 | Trichloroethylene | MR | No | Resolved |
| 2024-01-01 | 1,1,2-Trichloroethane | MR | No | Resolved |
| 2024-01-01 | Tetrachloroethylene | MR | No | Resolved |
| 2024-01-01 | CHLOROBENZENE | MR | No | Resolved |
| 2024-01-01 | Benzene | MR | No | Resolved |
| 2024-01-01 | Toluene | MR | No | Resolved |
| 2024-01-01 | Ethylbenzene | MR | No | Resolved |
| 2024-01-01 | Styrene | MR | No | Resolved |
| 2024-01-01 | Gross Alpha, Excl. Radon and U | MR | No | Resolved |
| 2024-01-01 | Combined Uranium | MR | No | Resolved |
| 2024-01-01 | Combined Radium (-226 and -228) | MR | No | Resolved |
| 2024-01-01 | Chlorine | MR | No | Resolved |
| 2024-01-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-01-01 | Public Notice | Other | No | Resolved |
| 2023-10-01 | Chlorine | MR | No | Resolved |
| 2023-07-01 | Revised Total Coliform Rule | MCL | Yes | Resolved |
| 2023-07-01 | Chlorine | MR | No | Resolved |
| 2023-06-01 | Revised Total Coliform Rule | MCL | Yes | Resolved |
| 2023-05-13 | Revised Total Coliform Rule | TT | Yes | Resolved |
| 2023-05-01 | Revised Total Coliform Rule | MCL | Yes | Resolved |
| 2023-05-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2023-04-01 | Chlorine | MR | No | Resolved |
| 2023-04-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2023-04-01 | Public Notice | Other | No | Resolved |
| 2023-03-04 | Groundwater Rule | TT | Yes | Resolved |
| 2023-03-04 | Groundwater Rule | TT | Yes | Resolved |
| 2023-03-04 | Groundwater Rule | TT | Yes | Resolved |
| 2023-03-04 | Groundwater Rule | TT | Yes | Resolved |
| 2023-03-04 | Groundwater Rule | TT | Yes | Resolved |
| 2023-03-04 | Groundwater Rule | TT | Yes | Resolved |