NPDES permit CO0045675 · 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: 2026-06-30.
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 | Temperature, water deg. centigrade | MX WK AV | report only | all year |
| 001 | Temperature, water deg. centigrade | MX WK AV | report only | all year |
| 001 | Temperature, water deg. centigrade | DAILY MX | report only | all year |
| 001 | Temperature, water deg. centigrade | DAILY MX | report only | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 20 mg/L | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 20 mg/L | all year |
| 001 | Solids, total suspended | MX 7D AV | <= 30 mg/L | all year |
| 001 | Solids, total suspended | MX 7D AV | <= 30 mg/L | all year |
| 001 | Cyanide, weak acid, dissociable | DAILY MX | <= 5 ug/L | all year |
| 001 | Cyanide, weak acid, dissociable | DAILY MX | <= 5 mg/L | all year |
| 001 | Fluoride | DAILY MX | <= 2.6 mg/L | all year |
| 001 | Fluoride | DAILY MX | <= 3 mg/L | all year |
| 001 | Arsenic, total recoverable | 30DA AVG | report only | all year |
| 001 | Arsenic, total recoverable | 30DA AVG | report only | all year |
| 001 | Iron, total recoverable | 30DA AVG | <= 1000 ug/L | all year |
| 001 | Iron, total recoverable | 30DA AVG | <= 1000 ug/L | all year |
| 001 | Aluminum, total recoverable | 30DA AVG | report only | all year |
| 001 | Aluminum, total recoverable | 30DA AVG | report only | all year |
| 001 | Aluminum, total recoverable | 30DA AVG | <= 138 ug/L | all year |
| 001 | Aluminum, total recoverable | 30DA AVG | <= 168 ug/L | all year |
| 001 | Aluminum, total recoverable | DAILY MX | report only | all year |
| 001 | Aluminum, total recoverable | DAILY MX | report only | all year |
| 001 | Aluminum, total recoverable | DAILY MX | <= 2132 ug/L | all year |
| 001 | Aluminum, total recoverable | DAILY MX | <= 2522 ug/L | all year |
| 001 | Aluminum, total recoverable | ROLL AVG | <= 21 ug/L | all year |
| 001 | Aluminum, total recoverable | ROLL AVG | report only | all year |
| 001 | Aluminum, total recoverable | ROLL AVG | report only | all year |
| 001 | Aluminum, total recoverable | ROLL AVG | <= 25 ug/L | all year |
| 001 | Chromium, total recoverable | 30DA AVG | report only | all year |
| 001 | Chromium, total recoverable | 30DA AVG | report only | all year |
| 001 | Chromium, total recoverable | 30DA AVG | <= 17 ug/L | all year |
| 001 | Chromium, total recoverable | 30DA AVG | <= 21 ug/L | all year |
| 001 | Chromium, total recoverable | DAILY MX | report only | all year |
| 001 | Chromium, total recoverable | DAILY MX | report only | all year |
| 001 | Chromium, total recoverable | DAILY MX | <= 23 ug/L | all year |
| 001 | Chromium, total recoverable | DAILY MX | <= 27 ug/L | all year |
| 001 | Chromium, total recoverable | ROLL AVG | <= 2.7 ug/L | all year |
| 001 | Chromium, total recoverable | ROLL AVG | report only | all year |
| 001 | Chromium, total recoverable | ROLL AVG | report only | all year |
| 001 | Chromium, total recoverable | ROLL AVG | <= 13 ug/L | all year |
| 001 | Molybdenum, total recoverable | 30DA AVG | report only | all year |
| 001 | Molybdenum, total recoverable | 30DA AVG | report only | all year |
| 001 | Molybdenum, total recoverable | ROLL AVG | report only | all year |
| 001 | Molybdenum, total recoverable | ROLL AVG | report only | all year |
| 001 | Zinc, potentially dissolved | 30DA AVG | <= 37 ug/L | all year |
| 001 | Zinc, potentially dissolved | 30DA AVG | <= 51 ug/L | all year |
| 001 | Zinc, potentially dissolved | DAILY MX | <= 170 ug/L | all year |
| 001 | Zinc, potentially dissolved | DAILY MX | <= 201 ug/L | all year |
| 001 | Silver, potentially dissolved | 30DA AVG | <= .03 ug/L | all year |
| 001 | Silver, potentially dissolved | 30DA AVG | <= .03 ug/L | all year |
| 001 | Silver, potentially dissolved | DAILY MX | <= 1.4 ug/L | all year |
| 001 | Silver, potentially dissolved | DAILY MX | <= 1.7 ug/L | all year |
| 001 | Copper, potentially dissolved | 30DA AVG | <= 4 ug/L | all year |
| 001 | Copper, potentially dissolved | 30DA AVG | <= 5.3 ug/L | all year |
| 001 | Copper, potentially dissolved | DAILY MX | <= 13 ug/L | all year |
| 001 | Copper, potentially dissolved | DAILY MX | <= 16 ug/L | all year |
| 001 | Cadmium, potentially dissolvd | 30DA AVG | <= .4 ug/L | all year |
| 001 | Cadmium, potentially dissolvd | 30DA AVG | <= .53 ug/L | all year |
| 001 | Cadmium, potentially dissolvd | DAILY MX | <= 1.7 ug/L | all year |
| 001 | Cadmium, potentially dissolvd | DAILY MX | <= 2.1 ug/L | all year |
| 001 | Lead, potentially dissolvd | 30DA AVG | <= 1.2 ug/L | all year |
| 001 | Lead, potentially dissolvd | 30DA AVG | <= 1.5 ug/L | all year |
| 001 | Lead, potentially dissolvd | DAILY MX | <= 61 ug/L | all year |
| 001 | Lead, potentially dissolvd | DAILY MX | <= 72 ug/L | all year |
| 001 | Nickel, potentially dissolvd | 30DA AVG | <= 60 ug/L | all year |
| 001 | Nickel, potentially dissolvd | 30DA AVG | <= 73 ug/L | all year |
| 001 | Nickel, potentially dissolvd | DAILY MX | <= 490 ug/L | all year |
| 001 | Nickel, potentially dissolvd | DAILY MX | <= 579 ug/L | all year |
| 001 | Nickel, potentially dissolvd | ROLL AVG | <= 11 ug/L | all year |
| 001 | Nickel, potentially dissolvd | ROLL AVG | <= 9 ug/L | all year |
| 001 | Selenium, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Selenium, potentially dissolvd | 30DA AVG | report only | all year |
| 001 | Selenium, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Selenium, potentially dissolvd | DAILY MX | report only | all year |
| 001 | Uranium, potentially dissolvd | 30DA AVG | <= 920 ug/L | all year |
| 001 | Uranium, potentially dissolvd | 30DA AVG | <= 920 ug/L | all year |
| 001 | Uranium, potentially dissolvd | DAILY MX | <= 2272 ug/L | all year |
| 001 | Uranium, potentially dissolvd | DAILY MX | <= 2685 ug/L | all year |
| 001 | Oil and grease | INST MAX | <= 10 mg/L | all year |
| 001 | Oil and grease | INST MAX | <= 10 mg/L | all year |
| 001 | Radium 226 + radium 228, total | 30DA AVG | report only | all year |
| 001 | Radium 226 + radium 228, total | DAILY MX | <= 5 pCi/L | all year |
| 001 | Radium 226 + radium 228, total | DAILY MX | <= 5 pCi/L | all year |
| 001 | Flow, in conduit or thru treatment plant | 30DA AVG | <= .576 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | 30DA AVG | <= .36 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | 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 | Sulfide-hydrogen sulfide [undissociated] | 30DA AVG | report only | all year |
| 001 | Mercury, total [as Hg] | 30DA AVG | report only | all year |
| 001 | Mercury, total [as Hg] | 30DA AVG | report only | all year |
| 001 | Mercury, total [as Hg] | ROLL AVG | report only | all year |
| 001 | Mercury, total [as Hg] | ROLL AVG | report only | all year |
| 001 | Oil and grease visual | INST MAX | report only | 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 | 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 | report only | all year |
| 001 | Static Renewal 7 Day Chronic Ceriodaphnia dubia | MN VALUE | >= 63 tox chronic | all year |
| 001 | Static Renewal 7 Day Chronic Ceriodaphnia dubia | MN VALUE | >= 52 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 | 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 | report only | all year |
| 001 | Static Renewal 7 Day Chronic Pimephales promelas | MN VALUE | >= 63 tox chronic | all year |
| 001 | Static Renewal 7 Day Chronic Pimephales promelas | MN VALUE | >= 52 tox chronic | 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