Clean Water Act discharge permit · NPDES COG641133
CARTER LAKE FILTER PLANT, Berthoud, CO: NPDES COG641133 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
CARTER LAKE FILTER PLANT, held by Carter Lake Filter Plant, holds NPDES permit COG641133, which discharges to Dry Creek And Groundwater. EPA’s file records it issued May 10, 2010 and expiring October 31, 2010. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CARTER LAKE FILTER PLANT |
|---|---|
| Permittee as filed | Carter Lake Filter Plant |
| NPDES ID | COG641133 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 10, 2010 |
| Expiration date | October 31, 2010 |
| Address | Berthoud, CO 80513 |
| Receiving water | Dry Creek and Groundwater |
| Subwatershed | Dry Creek (HUC 101900060501) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 7With a violation of any kind
- 1With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 10 | 13 | 1 | September 30, 2014 | |
| Flow, in conduit or thru treatment plant | 10 | 13 | 0 | ||
| Solids, total suspended | 6 | 7 | 0 | ||
| Oil and grease | 5 | 7 | 0 | ||
| Chlorine, total residual | 6 | 6 | 0 | ||
| Oil and grease visual | 5 | 6 | 0 | ||
| Solids, total dissolved | 2 | 4 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 18, 2020 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID COG641133 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.