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Copper Ores, major discharger, Kearny, Arizona. NPDES permit AZ0000035 expired Feb 21, 2026; its limits still apply. Last 12 months: no values over a limit, 26 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 010 |
| pH | minimum | report only (SU) | all year | 010 |
| pH | maximum | report only (SU) | all year | 010 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 010 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 010 |
| Selenium, total recoverable | daily maximum | ≤ 2 ug/L | all year | 010 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 010 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 010 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 010 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 010 |
| Copper, total recoverable | daily maximum | ≤ 29 ug/L | all year | 010 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 010 |
| Mercury, total recoverable | daily maximum | report only (ug/L) | all year | 010 |
| Pass/Fail Static 96Hr Acute Ceriodaphnia Dubia | monthly median | report only (pass=0;fail=1) | all year | 010 |
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | monthly median | report only (pass=0;fail=1) | all year | 010 |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | monthly median | report only (tox chronic) | all year | 010 |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | daily maximum | report only (tox chronic) | all year | 010 |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | monthly median | report only (tox chronic) | all year | 010 |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | daily maximum | report only (tox chronic) | all year | 010 |
| TU Static Renewal 7-Day Chronic Pimphales promelas | monthly median | report only (tox chronic) | all year | 010 |
| TU Static Renewal 7-Day Chronic Pimphales promelas | daily maximum | report only (tox chronic) | all year | 010 |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | all year | 012 |
| pH | minimum | report only (SU) | all year | 012 |
| pH | maximum | report only (SU) | all year | 012 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 012 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 012 |
| Selenium, total recoverable | daily maximum | report only (ug/L) | all year | 012 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 012 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 012 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 012 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 012 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| Mercury, total recoverable | daily maximum | report only (ug/L) | all year | 012 |
| Pass/Fail Static 48Hr Acute Ceriodaphnia dubia | monthly median | report only (pass=0;fail=1) | all year | 012 |
| Pass/Fail Static 96 Hr Acute Pimephales Promelas | monthly median | report only (pass=0;fail=1) | all year | 012 |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | monthly median | report only (tox chronic) | all year | 012 |
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | daily maximum | report only (tox chronic) | all year | 012 |
| Static 7Day Chronic Pimephales Promelas | monthly median | report only (tox chronic) | all year | 012 |
| Static 7Day Chronic Pimephales Promelas | daily maximum | report only (tox chronic) | all year | 012 |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | monthly median | report only (tox chronic) | all year | 012 |
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | daily maximum | report only (tox chronic) | all year | 012 |
Cited limits by parameter: Arizona's rules and the federal ones.
Same industry: the 8 Metal Mining permits in Arizona.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AZ0000035 · MCP: https://passage-data.com/mcp