Passage Data · Check a report · Use it from your AI
Gold Ores, Cripple Creek Division, Colorado. NPDES permit CO0048939 expired Aug 31, 2020; its limits still apply. Last 12 months: no values over a limit, 1 of 20 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, settleable | daily maximum | ≤ .2 mL/L | all year | 001 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 001 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 001 |
| Silver, potentially dissolved | 30-day average | report only (ug/L) | all year | 001 |
| Silver, potentially dissolved | daily maximum | report only (ug/L) | all year | 001 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 001 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 001 |
| Arsenic, potentially dissolved | daily maximum | report only (ug/L) | all year | 001 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 001 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 001 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 001 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 001 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 001 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 001 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 001 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 001 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 001 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 001 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 001 |
| Chromium, trivalent total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .1728 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Mercury, total [as Hg] | 30-day average | report only (ug/L) | all year | 001 |
| Oil and grease visual | instantaneous maximum | report only (abst=0;prst=1) | all year | 001 |
| Turbidity | quarterly average | ≤ 50 NTU (alert, not enforceable) | all year | 002 |
| pH | minimum | ≥ 6 SU (alert, not enforceable) | all year | 002 |
| pH | maximum | ≤ 9 SU (alert, not enforceable) | all year | 002 |
| Solids, total suspended | quarterly average | ≤ 100 mg/L (alert, not enforceable) | all year | 002 |
| Arsenic, total [as As] | quarterly average | ≤ 150 ug/L (alert, not enforceable) | all year | 002 |
| Cadmium, total [as Cd] | quarterly average | ≤ 2.9 ug/L (alert, not enforceable) | all year | 002 |
| Copper, total [as Cu] | quarterly average | ≤ 2.9 ug/L (alert, not enforceable) | all year | 002 |
| Iron, total [as Fe] | quarterly average | ≤ 1000 ug/L (alert, not enforceable) | all year | 002 |
| Lead, total [as Pb] | quarterly average | ≤ 122 ug/L (alert, not enforceable) | all year | 002 |
| Nickel, total [as Ni] | quarterly average | ≤ 610 ug/L (alert, not enforceable) | all year | 002 |
| Silver, total [as Ag] | quarterly average | ≤ 6.5 ug/L (alert, not enforceable) | all year | 002 |
| Zinc, total [as Zn] | quarterly average | ≤ 160 ug/L (alert, not enforceable) | all year | 002 |
| Selenium, total [as Se] | quarterly average | ≤ 5 ug/L (alert, not enforceable) | all year | 002 |
| Mercury, total [as Hg] | quarterly average | ≤ 1.4 ug/L (alert, not enforceable) | all year | 002 |
Cited limits by parameter: Colorado's rules and the federal ones.
Same industry: the 30 Metal Mining permits in Colorado.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/CO0048939 · MCP: https://passage-data.com/mcp