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Metal Mining Services, major discharger, Juneau, Alaska. NPDES permit AK0043206, in force until Sep 30, 2028. Last 12 months: over a limit 2 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Cyanide, weak acid, dissociable, daily maximum | < 10 ug/L | ≤ 5 ug/L | 100% |
| March 2026 | Cyanide, weak acid, dissociable, monthly average | < 10 ug/L | ≤ 3 ug/L | 233% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 002 |
| Cyanide, weak acid, dissociable | monthly average | ≤ 3 ug/L | all year | 002 |
| Cyanide, weak acid, dissociable | daily maximum | ≤ 5 ug/L | all year | 002 |
| Zinc, total recoverable | monthly average | ≤ 201 ug/L | all year | 002 |
| Zinc, total recoverable | daily maximum | ≤ 514 ug/L | all year | 002 |
| Cadmium, total recoverable | monthly average | ≤ 6 ug/L | all year | 002 |
| Cadmium, total recoverable | daily maximum | ≤ 16 ug/L | all year | 002 |
| Lead, total recoverable | monthly average | ≤ 87 ug/L | all year | 002 |
| Lead, total recoverable | daily maximum | ≤ 196 ug/L | all year | 002 |
| Copper, total recoverable | monthly average | ≤ 13 ug/L | all year | 002 |
| Copper, total recoverable | daily maximum | ≤ 32 ug/L | all year | 002 |
| Mercury, total [as Hg] | monthly average | ≤ .7 ug/L | all year | 002 |
| Mercury, total [as Hg] | daily maximum | ≤ .9 ug/L | all year | 002 |
| Coliform, fecal general | monthly average | report only (#/100mL) | all year | 002 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year | 002 |
| Flow | monthly average | ≤ 3.7 MGD | all year | 002 |
| Flow | daily maximum | ≤ 4.6 MGD | all year | 002 |
| Flow | monthly average | ≤ 4.1 MGD | all year | 002 |
| Flow | daily maximum | ≤ 6.3 MGD | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 010 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 010 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 011 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 011 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 02A |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 02A |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 02A |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 02A |
| pH | instantaneous minimum | ≥ 6 SU | all year | 02A |
| pH | instantaneous maximum | ≤ 9 SU | all year | 02A |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 02A |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 02A |
| Cyanide, weak acid, dissociable | monthly average | ≤ 3 ug/L | all year | 02A |
| Cyanide, weak acid, dissociable | daily maximum | ≤ 5 ug/L | all year | 02A |
| Zinc, total recoverable | monthly average | ≤ 201 ug/L | all year | 02A |
| Zinc, total recoverable | daily maximum | ≤ 514 ug/L | all year | 02A |
| Cadmium, total recoverable | monthly average | ≤ 6 ug/L | all year | 02A |
| Cadmium, total recoverable | daily maximum | ≤ 16 ug/L | all year | 02A |
| Lead, total recoverable | monthly average | ≤ 87 ug/L | all year | 02A |
| Lead, total recoverable | daily maximum | ≤ 196 ug/L | all year | 02A |
| Copper, total recoverable | monthly average | ≤ 13 ug/L | all year | 02A |
| Copper, total recoverable | daily maximum | ≤ 32 ug/L | all year | 02A |
| Mercury, total [as Hg] | monthly average | ≤ .7 ug/L | all year | 02A |
| Mercury, total [as Hg] | daily maximum | ≤ .9 ug/L | all year | 02A |
| Coliform, fecal general | monthly average | report only (#/100mL) | all year | 02A |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year | 02A |
| Flow | monthly average | ≤ 3.7 MGD | all year | 02A |
| Flow | daily maximum | ≤ 4.6 MGD | all year | 02A |
Cited limits by parameter: Alaska's rules and the federal ones.
Same industry: the 7 Metal Mining permits in Alaska.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AK0043206 · MCP: https://passage-data.com/mcp