NPDES permit CO0048996 · Minor NON-POTW · administratively continued, expires 2021-04-30 · EPA's file as of 2026-09-19
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This permit expired on 2021-04-30 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 | BOD, 5-day, 20 deg. C | 30DA AVG | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 8.7 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 17.4 lb/d | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 10.8 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 21.9 lb/d | all year |
| 001 | Nitrogen, total [as N] | RM | <= 47.6 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 50 mg/L | all year |
| 001 | Nitrogen, nitrite total [as N] | DAILY MX | <= 5.2 mg/L | all year |
| 001 | Phosphorus, total [as P] | RM | <= 5.4 mg/L | all year |
| 001 | Arsenic, total recoverable | 30DA AVG | <= 3 ug/L | all year |
| 001 | Zinc, potentially dissolved | 30DA AVG | <= 4583 ug/L | all year |
| 001 | Zinc, potentially dissolved | DAILY MX | <= 5317 ug/L | all year |
| 001 | Silver, potentially dissolved | 30DA AVG | <= 1 ug/L | all year |
| 001 | Silver, potentially dissolved | DAILY MX | <= 28 ug/L | all year |
| 001 | Copper, potentially dissolved | 30DA AVG | <= 190 ug/L | all year |
| 001 | Copper, potentially dissolved | DAILY MX | <= 316 ug/L | all year |
| 001 | Cadmium, potentially dissolvd | 30DA AVG | <= 18 ug/L | all year |
| 001 | Cadmium, potentially dissolvd | DAILY MX | <= 63 ug/L | all year |
| 001 | Lead, potentially dissolvd | 30DA AVG | <= 57 ug/L | all year |
| 001 | Lead, potentially dissolvd | DAILY MX | <= 1973 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 | <= .05 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Chlorine, total residual | INST MAX | <= .5 mg/L | all year |
| 001 | E. coli | 30DA GM | <= 126 #/100mL | all year |
| 001 | E. coli | MX 7D GM | <= 252 #/100mL | all year |
| 001 | Mercury, total [as Hg] | 30DA AVG | <= 1 ug/L | all year |
| 001 | Sulfate | 30DA AVG | report only | all year |
| 001 | Oil and grease visual | INST MAX | report only | all year |
| 001 | LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | MN VALUE | >= 100 % | all year |
| 001 | LC50 Static Renewal 96Hr Acute Pimephales promelas | MN VALUE | >= 100 % | 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