NPDES permit CO0043648 · Major NON-POTW · administratively continued, expires 2017-10-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2017-10-31 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.
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 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 | DAILY MX | <= 45 mg/L | all year |
| 001 | Cyanide, weak acid, dissociable | 30DA AVG | report only | all year |
| 001 | Cyanide, weak acid, dissociable | DAILY MX | <= 20 ug/L | all year |
| 001 | Cyanide, weak acid, dissociable | DAILY MX | <= 5 ug/L | 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 | Aluminum, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Aluminum, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Cadmium, potentially dissolvd | 30DA AVG | <= 6.2 ug/L | all year |
| 001 | Cadmium, potentially dissolvd | 30DA AVG | <= 1.2 ug/L | all year |
| 001 | Cadmium, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Cadmium, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Selenium, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Selenium, potentially dissolvd | 30DA AVG | <= 4.6 ug/L | all year |
| 001 | Oil and grease | INST MAX | <= 10 mg/L | all year |
| 001 | Flow, in conduit or thru treatment plant | 30DA AVG | <= 1 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 | Mercury, total [as Hg] | 30DA AVG | report only | all year |
| 001 | Oil and grease visual | INST MAX | report only | all year |
| 005 | pH | MINIMUM | >= 6 SU | all year |
| 005 | pH | MAXIMUM | <= 9 SU | all year |
| 005 | Solids, total suspended | 30DA AVG | <= 20 mg/L | all year |
| 005 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| 005 | Cyanide, weak acid, dissociable | DAILY MX | <= 20 ug/L | all year |
| 005 | Cyanide, weak acid, dissociable | DAILY MX | <= 5 ug/L | all year |
| 005 | Copper, total [as Cu] | 30DA AVG | <= 150 ug/L | all year |
| 005 | Copper, total [as Cu] | DAILY MX | <= 300 ug/L | all year |
| 005 | Lead, total [as Pb] | 30DA AVG | <= 300 ug/L | all year |
| 005 | Lead, total [as Pb] | DAILY MX | <= 600 ug/L | all year |
| 005 | Zinc, total [as Zn] | 30DA AVG | <= 750 ug/L | all year |
| 005 | Zinc, total [as Zn] | DAILY MX | <= 1500 ug/L | all year |
| 005 | Zinc, potentially dissolved | 30DA AVG | report only | all year |
| 005 | Zinc, potentially dissolved | DAILY MX | report only | all year |
| 005 | Silver, potentially dissolved | 30DA AVG | report only | all year |
| 005 | Silver, potentially dissolved | DAILY MX | report only | all year |
| 005 | Aluminum, potentially dissolvd | 30DA AVG | report only | all year |
| 005 | Aluminum, potentially dissolvd | DAILY MX | report only | all year |
| 005 | Cadmium, potentially dissolvd | 30DA AVG | <= 6.2 ug/L | all year |
| 005 | Cadmium, potentially dissolvd | 30DA AVG | <= 1.2 ug/L | all year |
| 005 | Cadmium, potentially dissolvd | DAILY MX | report only | all year |
| 005 | Cadmium, potentially dissolvd | DAILY MX | report only | all year |
| 005 | Selenium, potentially dissolvd | 30DA AVG | report only | all year |
| 005 | Selenium, potentially dissolvd | 30DA AVG | <= 4.6 ug/L | all year |
| 005 | Oil and grease | INST MAX | <= 10 ug/L | all year |
| 005 | Flow, in conduit or thru treatment plant | 30DA AVG | report only | all year |
| 005 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 005 | Sulfide-hydrogen sulfide [undissociated] | 30DA AVG | report only | all year |
| 005 | Mercury, total [as Hg] | 30DA AVG | <= 1 ug/L | all year |
| 005 | Mercury, total [as Hg] | DAILY MX | <= 2 ug/L | all year |
| 005 | Oil and grease visual | INST MAX | 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