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Gold Ores, Hesperus, Colorado. NPDES permit CO0049054, in force until Jan 31, 2027. Last 12 months: no values over a limit, 72 of 99 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 001 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 001 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 002 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 002 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 003 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 003 |
| pH | minimum | ≥ 6.5 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Iron, dissolved [as Fe] | 30-day average | report only (ug/L) | all year | 004 |
| Nickel, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 004 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 004 |
| Chromium, hexavalent dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 004 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 004 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 004 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 004 |
| Silver, potentially dissolved | 30-day average | report only (ug/L) | all year | 004 |
| Silver, potentially dissolved | daily maximum | report only (ug/L) | all year | 004 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 004 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 004 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Chromium, trivalent, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 004 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 004 |
| Mercury, total low level | 30-day average | report only (ug/L) | all year | 004 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 004 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 004 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 005 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 005 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 006 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 006 |
| pH | minimum | ≥ 6.5 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 007 |
| Arsenic, total recoverable | 30-day average | ≤ .02 ug/L | all year | 007 |
| Arsenic, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 007 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 007 |
| Iron, dissolved [as Fe] | 30-day average | report only (ug/L) | all year | 007 |
| Nickel, total recoverable | 30-day average | report only (ug/L) | all year | 007 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Lead, total recoverable | daily maximum | ≤ 50 ug/L | all year | 007 |
| Chromium, total recoverable | 30-day average | report only (ug/L) | all year | 007 |
| Chromium, total recoverable | daily maximum | report only (ug/L) | all year | 007 |
| Chromium, hexavalent dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 007 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 007 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 007 |
| Zinc, potentially dissolved | 30-day average | ≤ 96 ug/L | all year | 007 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 007 |
| Zinc, potentially dissolved | daily maximum | ≤ 147 ug/L | all year | 007 |
| Silver, potentially dissolved | 30-day average | report only (ug/L) | all year | 007 |
| Silver, potentially dissolved | daily maximum | report only (ug/L) | all year | 007 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 007 |
| Copper, potentially dissolved | 30-day average | ≤ 8.3 ug/L | all year | 007 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 007 |
| Copper, potentially dissolved | daily maximum | ≤ 12 ug/L | all year | 007 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 007 |
| Cadmium, potentially dissolvd | 30-day average | ≤ .67 ug/L | all year | 007 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 007 |
| Cadmium, potentially dissolvd | daily maximum | ≤ 3.6 ug/L | all year | 007 |
| Chromium, trivalent, potentially dissolvd | 30-day average | report only (ug/L) | all year | 007 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 007 |
| Lead, potentially dissolvd | 30-day average | ≤ 2.3 ug/L | all year | 007 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 007 |
| Lead, potentially dissolvd | daily maximum | ≤ 58 ug/L | all year | 007 |
| Manganese, potentially dissolvd | 30-day average | report only (ug/L) | all year | 007 |
| Manganese, potentially dissolvd | daily maximum | report only (ug/L) | all year | 007 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 007 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 007 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 007 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 007 |
| Mercury, total low level | 30-day average | report only (ug/L) | all year | 007 |
| Mercury, total low level | 30-day average | ≤ .01 ug/L | all year | 007 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 007 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 007 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 008 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 008 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 009 |
| Area inspection visual | 30-day average | report only (fail=0;pass=1) | all year | 009 |
Cited limits by parameter: Colorado's rules and the federal ones.
Same industry: the 30 Metal Mining permits in Colorado.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/CO0049054 · MCP: https://passage-data.com/mcp