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Minerals, Ground Or Treated, major discharger, Unknown, Arizona. NPDES permit AZ0026514, in force until Dec 15, 2026. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 3.1 kg/d | all year |
| Solids, total suspended | daily maximum | ≤ 4.6 kg/d | all year |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year |
| Sulfide, total [as S] | daily maximum | report only (ug/L) | all year |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year |
| Selenium, total recoverable | daily maximum | report only (ug/L) | all year |
| Thallium, total recoverable | daily maximum | report only (ug/L) | all year |
| Beryllium, total recoverable [as Be] | daily maximum | report only (ug/L) | all year |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year |
| Nickel, total recoverable | daily maximum | report only (ug/L) | all year |
| Silver total recoverable | daily maximum | report only (ug/L) | all year |
| Zinc, total recoverable | monthly average | ≤ 189 ug/L | all year |
| Zinc, total recoverable | daily maximum | ≤ 379 ug/L | all year |
| Zinc, total recoverable | monthly average | ≤ 29.3 g/d | all year |
| Zinc, total recoverable | daily maximum | ≤ 58.8 g/d | all year |
| Cadmium, total recoverable | monthly average | ≤ .527 ug/L | all year |
| Cadmium, total recoverable | daily maximum | ≤ 1.06 ug/L | all year |
| Cadmium, total recoverable | monthly average | ≤ .081 g/d | all year |
| Cadmium, total recoverable | daily maximum | ≤ .164 g/d | all year |
| Lead, total recoverable | monthly average | ≤ 8.96 ug/L | all year |
| Lead, total recoverable | daily maximum | ≤ 17.9 ug/L | all year |
| Lead, total recoverable | monthly average | ≤ 1.39 g/d | all year |
| Lead, total recoverable | daily maximum | ≤ 2.78 g/d | all year |
| Copper, total recoverable | monthly average | ≤ 24 ug/L | all year |
| Copper, total recoverable | daily maximum | ≤ 29.3 ug/L | all year |
| Copper, total recoverable | monthly average | ≤ 3.72 g/d | all year |
| Copper, total recoverable | daily maximum | ≤ 4 g/d | all year |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year |
| Antimony, total recoverable | daily maximum | report only (ug/L) | all year |
| Manganese, total recoverable | daily maximum | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Hydrogen sulfide | daily maximum | report only (ug/L) | all year |
| Mercury, total recoverable | monthly average | ≤ 1 ug/L | all year |
| Mercury, total recoverable | daily maximum | ≤ 2 ug/L | all year |
| Mercury, total recoverable | monthly average | ≤ .16 g/d | all year |
| Mercury, total recoverable | daily maximum | ≤ .31 g/d | all year |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | monthly median | report only (tox chronic) | all year |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | daily maximum | report only (tox chronic) | all year |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | daily maximum | report only (tox chronic) | all year |
| TU Static Renewal 7-Day Chronic Pimphales promelas | monthly median | report only (tox chronic) | all year |
| TU Static Renewal 7-Day Chronic Pimphales promelas | daily maximum | report only (tox chronic) | all year |
Cited limits by parameter: Arizona's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/AZ0026514 · MCP: https://passage-data.com/mcp