NPDES permit CO0048858 · Minor POTW · administratively continued, expires 2024-11-30 · EPA's file as of 2026-09-19
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This permit expired on 2024-11-30 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. Most often over: E. coli (1), Static Renewal 7 Day Chronic Ceriodaphnia dubia (1).
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 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 30 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | MX 7D AV | <= 45 mg/L | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 105 mg/L | all year |
| 001 | Solids, total suspended | MX 7D AV | <= 160 mg/L | all year |
| 001 | Nitrogen, nitrite total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, nitrite total [as N] | DAILY MX | <= 10 mg/L | all year |
| 001 | Nitrogen, inorganic total | DAILY MX | report only | all year |
| 001 | Arsenic, total recoverable | 30DA AVG | report only | all year |
| 001 | Selenium, total recoverable | 30DA AVG | report only | all year |
| 001 | Beryllium, total recoverable [as Be] | 30DA AVG | report only | all year |
| 001 | Nickel, total recoverable | 30DA AVG | 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 | 30DA AVG | 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 | Uranium, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Uranium, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Oil and grease | INST MAX | <= 10 mg/L | all year |
| 001 | Chromium, trivalent total recoverable | 30DA AVG | report only | all year |
| 001 | Radium 226 & 228, dissolved | 30DA AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | 30DA AVG | <= .03744 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 | <= 630 #/100mL | all year |
| 001 | E. coli | MX 7D GM | <= 1260 #/100mL | all year |
| 001 | Chromium, hexavalent tot recoverable | 30DA AVG | report only | all year |
| 001 | BOD, 5-day, percent removal | MO AV MN | >= 85 % | 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 |
| 300 | Plant capacity fact. percent of capacity | 30DA AVG | report only | all year |
| 300 | Plant capacity fact. percent of capacity | 30DA AVG | report only | all year |
| 300 | BOD, 5-day, 20 deg. C | 30DA AVG | report only | all year |
| 300 | BOD, 5-day, 20 deg. C | MX 7D AV | report only | all year |
| 300 | BOD, 5-day, 20 deg. C | 30DA AVG | report only | all year |
| 300 | BOD, 5-day, 20 deg. C | MX 7D AV | report only | all year |
| 300 | Solids, total suspended | 30DA AVG | report only | all year |
| 300 | Solids, total suspended | MX 7D AV | report only | all year |
| 300 | Flow, in conduit or thru treatment plant | 30DA AVG | report only | all year |
| 300 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 300 | Flow, in conduit or thru treatment plant | 30DA AVG | report only | all year |
| 300 | Flow, in conduit or thru treatment plant | 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