NPDES permit CO0035017 · Minor FEDERAL · effective, expires 2030-06-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-03-31.
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 | Temperature, water deg. centigrade | DAILY MX | report only | all year |
| 001 | Flow rate | DAILY AV | report only | all year |
| 001 | Flow rate | DAILY MX | report only | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Arsenic, total [as As] | DAILY MX | report only | all year |
| 001 | Flow | DAILY AV | report only | all year |
| 001 | Flow | DAILY MX | 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