Passage Data · Check a report · Use it from your AI
Metal Ores, Ophir, Colorado. NPDES permit CO0046931 expired Sep 30, 2025; its limits still apply. Last 12 months: over a limit 37 times (last August 2026), 6 of 53 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 002 | Iron, total recoverable, 30-day average | 555000 ug/L | ≤ 112600 ug/L | 393% |
| October 2025 | 002 | pH, minimum | 6.4 SU | ≥ 6.5 SU | — |
| November 2025 | 002 | Iron, total recoverable, 30-day average | 777000 ug/L | ≤ 112600 ug/L | 590% |
| November 2025 | 002 | pH, minimum | 6.3 SU | ≥ 6.5 SU | — |
| December 2025 | 001 | pH, minimum | 5.8 SU | ≥ 6.5 SU | — |
| December 2025 | 002 | Iron, total recoverable, 30-day average | 876000 ug/L | ≤ 112600 ug/L | 678% |
| December 2025 | 002 | LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia, minimum value | 7.07 % | ≥ 100 % | 93% |
| December 2025 | 002 | LC50 Static Renewal 96Hr Acute Pimephales promelas, minimum value | 10 % | ≥ 100 % | 90% |
| December 2025 | 002 | pH, minimum | 6.1 SU | ≥ 6.5 SU | — |
| January 2026 | 001 | Iron, total recoverable, 30-day average | 195000 ug/L | ≤ 112600 ug/L | 73% |
| January 2026 | 001 | pH, minimum | 6.2 SU | ≥ 6.5 SU | — |
| January 2026 | 002 | Iron, total recoverable, 30-day average | 927000 ug/L | ≤ 112600 ug/L | 723% |
| January 2026 | 002 | pH, minimum | 6.3 SU | ≥ 6.5 SU | — |
| February 2026 | 001 | Iron, total recoverable, 30-day average | 182000 ug/L | ≤ 112600 ug/L | 62% |
| February 2026 | 002 | Iron, total recoverable, 30-day average | 880000 ug/L | ≤ 112600 ug/L | 682% |
| February 2026 | 002 | pH, minimum | 6.2 SU | ≥ 6.5 SU | — |
| March 2026 | 001 | LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia, minimum value | 29.16 % | ≥ 100 % | 71% |
| March 2026 | 001 | LC50 Static Renewal 96Hr Acute Pimephales promelas, minimum value | 5.7 % | ≥ 100 % | 94% |
| March 2026 | 001 | pH, minimum | 6.2 SU | ≥ 6.5 SU | — |
| March 2026 | 002 | Iron, total recoverable, 30-day average | 433000 ug/L | ≤ 112600 ug/L | 285% |
| March 2026 | 002 | LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia, minimum value | 7 % | ≥ 100 % | 93% |
| March 2026 | 002 | LC50 Static Renewal 96Hr Acute Pimephales promelas, minimum value | 7.49 % | ≥ 100 % | 93% |
| March 2026 | 002 | pH, minimum | 6.2 SU | ≥ 6.5 SU | — |
| April 2026 | 001 | pH, minimum | 6.4 SU | ≥ 6.5 SU | — |
| April 2026 | 002 | Iron, total recoverable, 30-day average | 522000 ug/L | ≤ 112600 ug/L | 364% |
| April 2026 | 002 | pH, minimum | 6.3 SU | ≥ 6.5 SU | — |
| May 2026 | 002 | Iron, total recoverable, 30-day average | 740000 ug/L | ≤ 112600 ug/L | 557% |
| May 2026 | 002 | pH, minimum | 5.9 SU | ≥ 6.5 SU | — |
| June 2026 | 001 | pH, minimum | 6.2 SU | ≥ 6.5 SU | — |
| June 2026 | 002 | Iron, total recoverable, 30-day average | 713000 ug/L | ≤ 112600 ug/L | 533% |
| June 2026 | 002 | LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia, minimum value | 7.07 % | ≥ 100 % | 93% |
| June 2026 | 002 | LC50 Static Renewal 96Hr Acute Pimephales promelas, minimum value | 14.2 % | ≥ 100 % | 86% |
| June 2026 | 002 | pH, minimum | 6.2 SU | ≥ 6.5 SU | — |
| July 2026 | 002 | Iron, total recoverable, 30-day average | 869000 ug/L | ≤ 112600 ug/L | 672% |
| July 2026 | 002 | pH, minimum | 6.3 SU | ≥ 6.5 SU | — |
| August 2026 | 002 | Iron, total recoverable, 30-day average | 830000 ug/L | ≤ 112600 ug/L | 637% |
| August 2026 | 002 | pH, minimum | 6.2 SU | ≥ 6.5 SU | — |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 4 SU | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | 30-day average | ≤ 1.6 lb/d | all year | 001 |
| Solids, total suspended | maximum 7-day average | ≤ 2.4 lb/d | all year | 001 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 001 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Iron, total recoverable | 30-day average | ≤ 349000 ug/L | all year | 001 |
| Iron, total recoverable | 30-day average | ≤ 112600 ug/L | all year | 001 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Iron, total recoverable | 30-day average | ≤ 18.7 lb/d | all year | 001 |
| Iron, total recoverable | 30-day average | ≤ 6.05 lb/d | all year | 001 |
| Manganese, dissolved [as Mn] | 30-day average | report only (ug/L) | all year | 001 |
| Manganese, dissolved [as Mn] | daily maximum | report only (ug/L) | all year | 001 |
| Nickel, total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Cadmium, total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 001 |
| Cadmium, potentially dissolvd | 30-day average | 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 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 001 |
| Oil and grease | daily maximum | ≤ .54 lb/d | all year | 001 |
| Chromium, trivalent total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Radium 226 + radium 228, total | 30-day average | report only (pCi/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | 30-day average | report only (ug/L) | all year | 001 |
| Boron, total | 30-day average | report only (mg/L) | all year | 001 |
| Oil and grease visual | daily maximum | report only (abst=0;prst=1) | all year | 001 |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | minimum value | report only (%) | all year | 001 |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | minimum value | ≥ 100 % | all year | 001 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum value | report only (%) | all year | 001 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum value | ≥ 100 % | all year | 001 |
| pH | minimum | report only (SU) | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | report only (SU) | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | 30-day average | ≤ 1.6 lb/d | all year | 002 |
| Solids, total suspended | maximum 7-day average | ≤ 2.4 lb/d | all year | 002 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 002 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 002 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 002 |
| Iron, total recoverable | 30-day average | report only (ug/L) | all year | 002 |
| Iron, total recoverable | 30-day average | ≤ 112600 ug/L | all year | 002 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Iron, total recoverable | 30-day average | report only (lb/d) | all year | 002 |
| Iron, total recoverable | 30-day average | ≤ 6.05 lb/d | all year | 002 |
| Iron, total recoverable | daily maximum | report only (lb/d) | all year | 002 |
| Iron, total recoverable | daily maximum | report only (lb/d) | all year | 002 |
| Chromium, dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 002 |
| Chromium, dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 002 |
| Manganese, dissolved [as Mn] | 30-day average | report only (ug/L) | all year | 002 |
| Manganese, dissolved [as Mn] | daily maximum | report only (ug/L) | all year | 002 |
| Nickel, total recoverable | 30-day average | report only (ug/L) | all year | 002 |
| Cadmium, total recoverable | 30-day average | report only (ug/L) | all year | 002 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 002 |
| Chromium, hexavalent dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 002 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 002 |
| Zinc, potentially dissolved | 30-day average | report only (ug/L) | all year | 002 |
| Zinc, potentially dissolved | daily maximum | report only (ug/L) | all year | 002 |
| Silver, potentially dissolved | 30-day average | report only (ug/L) | all year | 002 |
| Silver, potentially dissolved | daily maximum | report only (ug/L) | all year | 002 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 002 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 002 |
| Arsenic, potentially dissolved | daily maximum | report only (ug/L) | all year | 002 |
| Cadmium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 002 |
| Cadmium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 002 |
| Chromium, trivalent, potentially dissolvd | 30-day average | report only (ug/L) | all year | 002 |
| Chromium, trivalent, potentially dissolvd | daily maximum | report only (ug/L) | all year | 002 |
| Lead, potentially dissolvd | 30-day average | report only (ug/L) | all year | 002 |
| Lead, potentially dissolvd | daily maximum | report only (ug/L) | all year | 002 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 002 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 002 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 002 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 002 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 002 |
| Oil and grease | daily maximum | ≤ .54 lb/d | all year | 002 |
| Chromium, trivalent total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Radium 226 + radium 228, total | 30-day average | report only (pCi/L) | all year | 002 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day average | report only (mg/L) | all year | 002 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 002 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 002 |
| Mercury, total [as Hg] | 30-day average | report only (ug/L) | all year | 002 |
| Boron, total | 30-day average | report only (mg/L) | all year | 002 |
| Oil and grease visual | daily maximum | report only (abst=0;prst=1) | all year | 002 |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | minimum value | report only (%) | all year | 002 |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | minimum value | ≥ 100 % | all year | 002 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum value | report only (%) | all year | 002 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum value | ≥ 100 % | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | maximum 7-day average | ≤ 45 mg/L | all year | 003 |
| Solids, total suspended | 30-day average | ≤ .73 lb/d | all year | 003 |
| Solids, total suspended | maximum 7-day average | ≤ 1.09 lb/d | all year | 003 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 003 |
| Chloride [as Cl] | 30-day average | report only (mg/L) | all year | 003 |
| Arsenic, total recoverable | 30-day average | report only (ug/L) | all year | 003 |
| Iron, total recoverable | 30-day average | ≤ 1000 ug/L | all year | 003 |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Iron, total recoverable | 30-day average | ≤ .0242 lb/d | all year | 003 |
| Chromium, dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 003 |
| Chromium, dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 003 |
| Manganese, dissolved [as Mn] | 30-day average | ≤ 2071 ug/L | all year | 003 |
| Manganese, dissolved [as Mn] | daily maximum | ≤ 3749 ug/L | all year | 003 |
| Manganese, dissolved [as Mn] | 30-day average | ≤ .05 lb/d | all year | 003 |
| Manganese, dissolved [as Mn] | daily maximum | ≤ .0907 lb/d | all year | 003 |
| Nickel, total recoverable | 30-day average | report only (ug/L) | all year | 003 |
| Cadmium, total recoverable | 30-day average | report only (ug/L) | all year | 003 |
| Cadmium, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Molybdenum, total recoverable | 30-day average | report only (ug/L) | all year | 003 |
| Chromium, hexavalent dissolved [as Cr] | 30-day average | report only (ug/L) | all year | 003 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (ug/L) | all year | 003 |
| Zinc, potentially dissolved | 30-day average | ≤ 226 ug/L | all year | 003 |
| Zinc, potentially dissolved | daily maximum | ≤ 298 ug/L | all year | 003 |
| Zinc, potentially dissolved | 30-day average | ≤ .00547 lb/d | all year | 003 |
| Zinc, potentially dissolved | daily maximum | ≤ .00721 lb/d | all year | 003 |
| Silver, potentially dissolved | 30-day average | report only (ug/L) | all year | 003 |
| Silver, potentially dissolved | daily maximum | report only (ug/L) | all year | 003 |
| Copper, potentially dissolved | 30-day average | report only (ug/L) | all year | 003 |
| Copper, potentially dissolved | daily maximum | report only (ug/L) | all year | 003 |
| Arsenic, potentially dissolved | 30-day average | report only (ug/L) | all year | 003 |
| Arsenic, potentially dissolved | daily maximum | report only (ug/L) | all year | 003 |
| Cadmium, potentially dissolvd | 30-day average | ≤ .71 ug/L | all year | 003 |
| Cadmium, potentially dissolvd | daily maximum | ≤ 3.1 ug/L | all year | 003 |
| Cadmium, potentially dissolvd | 30-day average | ≤ .000017 lb/d | all year | 003 |
| Cadmium, potentially dissolvd | daily maximum | ≤ .00075 lb/d | all year | 003 |
| Chromium, trivalent, potentially dissolvd | 30-day average | report only (ug/L) | all year | 003 |
| Chromium, trivalent, potentially dissolvd | daily maximum | report only (ug/L) | all year | 003 |
| Lead, potentially dissolvd | 30-day average | ≤ 5.2 ug/L | all year | 003 |
| Lead, potentially dissolvd | daily maximum | ≤ 135 ug/L | all year | 003 |
| Lead, potentially dissolvd | 30-day average | ≤ .000126 lb/d | all year | 003 |
| Lead, potentially dissolvd | daily maximum | ≤ .00327 lb/d | all year | 003 |
| Nickel, potentially dissolvd | 30-day average | report only (ug/L) | all year | 003 |
| Nickel, potentially dissolvd | daily maximum | report only (ug/L) | all year | 003 |
| Selenium, potentially dissolvd | 30-day average | report only (ug/L) | all year | 003 |
| Selenium, potentially dissolvd | daily maximum | report only (ug/L) | all year | 003 |
| Oil and grease | instantaneous maximum | ≤ 10 mg/L | all year | 003 |
| Oil and grease | daily maximum | ≤ .54 lb/d | all year | 003 |
| Chromium, trivalent total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Radium 226 + radium 228, total | 30-day average | report only (pCi/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | 30-day average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Mercury, total [low level] | 30-day average | report only (ug/L) | all year | 003 |
| Sulfide-hydrogen sulfide [undissociated] | 30-day average | report only (mg/L) | all year | 003 |
| Solids, total dissolved | 30-day average | report only (mg/L) | all year | 003 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 003 |
| Boron, total | 30-day average | report only (mg/L) | all year | 003 |
| Oil and grease visual | daily maximum | report only (abst=0;prst=1) | all year | 003 |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | minimum value | ≥ 100 % | all year | 003 |
| LC50 Static Renewal 96Hr Acute Pimephales promelas | minimum value | report only (%) | all year | 003 |
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/CO0046931 · MCP: https://passage-data.com/mcp