NPDES permit CO0048952 · Minor NON-POTW · administratively continued, expires 2019-09-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2019-09-30 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 (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 | Chloride [as Cl] | 30DA AVG | report only | all year |
| 001 | Chloride [as Cl] | ROLL AVG | report only | all year |
| 001 | Arsenic, total recoverable | 30DA AVG | 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 | Copper, potentially dissolved | 30DA AVG | report only | all year |
| 001 | Copper, 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 | Cadmium, potentially dissolvd | ROLL AVG | report only | all year |
| 001 | Lead, potentially dissolvd | 30DA AVG | <= 4.1 ug/L | all year |
| 001 | Lead, potentially dissolvd | DAILY MX | <= 108 ug/L | all year |
| 001 | Lead, potentially dissolvd | ROLL AVG | <= 2.4 ug/L | all year |
| 001 | Selenium, potentially dissolvd | 30DA AVG | <= 5.8 ug/L | all year |
| 001 | Selenium, potentially dissolvd | DAILY MX | <= 23 ug/L | all year |
| 001 | Selenium, potentially dissolvd | ROLL AVG | <= 3 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 | <= .302 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 | Mercury, total low level | ROLL AVG | report only | all year |
| 001 | Sulfide-hydrogen sulfide [undissociated] | 30DA AVG | report only | all year |
| 001 | Sulfide-hydrogen sulfide [undissociated] | ROLL AVG | report only | all year |
| 001 | Solids, total dissolved | 30DA AVG | report only | all year |
| 001 | 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