NPDES permit CO0048853 · Minor NON-POTW · administratively continued, expires 2024-02-29 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
This permit expired on 2024-02-29 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31. Most often over: Static Renewal 7 Day Chronic Ceriodaphnia dubia (4).
Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| 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 | Nitrogen, nitrite total [as N] | DAILY MX | <= 1 mg/L | all year |
| 001 | Nitrogen, inorganic total | DAILY MX | report only | all year |
| 001 | Cyanide, weak acid, dissociable | DAILY MX | report only | all year |
| 001 | Chloride [as Cl] | 30DA AVG | report only | all year |
| 001 | Arsenic, total recoverable | 30DA AVG | report only | all year |
| 001 | Iron, total recoverable | 30DA AVG | report only | all year |
| 001 | Selenium, total recoverable | 30DA AVG | <= 20 ug/L | all year |
| 001 | Beryllium, total recoverable [as Be] | 30DA AVG | report only | all year |
| 001 | Iron, dissolved [as Fe] | 30DA AVG | report only | all year |
| 001 | Manganese, dissolved [as Mn] | 30DA AVG | <= 50 ug/L | all year |
| 001 | Manganese, dissolved [as Mn] | DAILY MX | report only | all year |
| 001 | Nickel, total recoverable | 30DA AVG | report only | all year |
| 001 | Silver total recoverable | DAILY MX | report only | all year |
| 001 | Zinc, total recoverable | 30DA AVG | report only | all year |
| 001 | Cadmium, total recoverable | 30DA AVG | report only | all year |
| 001 | Lead, total recoverable | DAILY MX | report only | all year |
| 001 | Copper, total recoverable | 30DA AVG | 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 | 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 | Oil and grease | INST MAX | <= 10 mg/L | all year |
| 001 | Chromium, trivalent total recoverable | DAILY MX | report only | all year |
| 001 | Manganese, total recoverable | 30DA AVG | report only | all year |
| 001 | Radium 226 + radium 228, total | 30DA AVG | report only | all year |
| 001 | Uranium, total | 30DA AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | 30DA AVG | <= .09 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | 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 | Mercury, total [as Hg] | 30DA AVG | report only | all year |
| 001 | Chromium, hexavalent tot recoverable | 30DA AVG | report only | all year |
| 001 | Chromium, hexavalent tot recoverable | DAILY MX | report only | all year |
| 001 | Boron, total | 30DA AVG | report only | all year |
| 001 | Oil and grease visual | INST MAX | report only | all year |
| 001 | Static Renewal 7 Day Chronic Ceriodaphnia dubia | SINGSAMP | report only | all year |
| 001 | Static Renewal 7 Day Chronic Ceriodaphnia dubia | MN VALUE | report only | all year |
| 001 | Static Renewal 7 Day Chronic Ceriodaphnia dubia | MN VALUE | >= 100 tox chronic | all year |
| 001 | Static Renewal 7 Day Chronic Pimephales promelas | SINGSAMP | report only | all year |
| 001 | Static Renewal 7 Day Chronic Pimephales promelas | MN VALUE | report only | all year |
| 001 | Static Renewal 7 Day Chronic Pimephales promelas | MN VALUE | >= 100 tox chronic | 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