NPDES permit CO0049072 · Minor NON-POTW · effective, expires 2031-07-31 · EPA's file as of 2026-09-19
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Reports are due about 28 days after each monitoring period ends (the most common figure among CO permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | MX 7D AV | <= 45 mg/L | all year |
| 001 | Arsenic, total recoverable | 30DA AVG | report only | all year |
| 001 | Iron, total recoverable | 30DA AVG | report only | all year |
| 001 | Beryllium, total recoverable [as Be] | 30DA AVG | report only | all year |
| 001 | Barium, total recoverable | 30DA AVG | report only | all year |
| 001 | Barium, total recoverable | DAILY MX | report only | all year |
| 001 | Iron, dissolved [as Fe] | 30DA AVG | report only | all year |
| 001 | Manganese, dissolved [as Mn] | 30DA AVG | report only | all year |
| 001 | Manganese, dissolved [as Mn] | DAILY MX | report only | all year |
| 001 | Thallium, dissolved [as Tl] | 30DA AVG | report only | all year |
| 001 | Thallium, total [as Tl] | 30DA AVG | report only | all year |
| 001 | Thallium, total [as Tl] | DAILY MX | report only | all year |
| 001 | Nickel, total recoverable | 30DA AVG | report only | all year |
| 001 | Antimony, dissolved [as Sb] | 30DA AVG | report only | all year |
| 001 | Antimony, total [as Sb] | 30DA AVG | report only | all year |
| 001 | Aluminum, total recoverable | 30DA AVG | report only | all year |
| 001 | Aluminum, total recoverable | DAILY MX | report only | all year |
| 001 | Cadmium, total recoverable | DAILY MX | report only | all year |
| 001 | Lead, total recoverable | DAILY MX | report only | all year |
| 001 | Molybdenum, total recoverable | 30DA AVG | report only | all year |
| 001 | Chromium, hexavalent dissolved [as Cr] | 30DA AVG | report only | all year |
| 001 | Chromium, hexavalent dissolved [as Cr] | DAILY MX | report only | all year |
| 001 | Zinc, potentially dissolved | 30DA AVG | report only | all year |
| 001 | Zinc, potentially dissolved | DAILY MX | report only | all year |
| 001 | Silver, potentially dissolved | 30DA AVG | report only | all year |
| 001 | Silver, potentially dissolved | DAILY MX | report only | all year |
| 001 | Copper, potentially dissolved | 30DA AVG | report only | all year |
| 001 | Copper, potentially dissolved | DAILY MX | report only | all year |
| 001 | Arsenic, potentially dissolved | DAILY MX | report only | all year |
| 001 | Cadmium, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Cadmium, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Chromium, trivalent, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Lead, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Lead, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Nickel, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Nickel, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Selenium, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Selenium, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Uranium, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Uranium, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Chromium, trivalent total recoverable | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | 30DA AVG | <= .001 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Mercury, total [low level] | 30DA AVG | report only | all year |
| 001 | Sulfide-hydrogen sulfide [undissociated] | 30DA AVG | report only | all year |
| 001 | Solids, total dissolved | 30DA AVG | report only | all year |
| 001 | Solids, total dissolved | DAILY MX | report only | all year |
| 001 | Sulfate | 30DA AVG | report only | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states