Clean Water Act discharge permit · NPDES COG641149
PARMALEE GULCH WTP, Jefferson County, CO: NPDES COG641149 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
PARMALEE GULCH WTP, held by Indian Hills Water District, holds NPDES permit COG641149, which discharges to Parmalee Gulch. EPA’s file records it issued May 15, 2012 and expiring September 30, 2015. 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 | PARMALEE GULCH WTP |
|---|---|
| Permittee as filed | Indian Hills Water District |
| NPDES ID | COG641149 |
| 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 15, 2012 |
| Expiration date | September 30, 2015 |
| Address | Jefferson County, CO 80454 |
| Receiving water | Parmalee Gulch |
| Subwatershed | Bear Creek Lake (HUC 101900020808) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Nitrogen, nitrite total [as N] | 1 | 19 | 8 | March 31, 2017 | 700% over the limit |
| Sulfide, dissolved, [as S] | 2 | 29 | 7 | December 31, 2019 | 95,400% over the limit |
| Nitrogen, nitrate total [as N] | 1 | 14 | 3 | June 30, 2017 | 8% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 30 | 0 | ||
| Sulfate, total [as SO4] | 2 | 24 | 0 | ||
| pH | 2 | 22 | 0 | ||
| Solids, total suspended | 2 | 22 | 0 | ||
| Chlorine, total residual | 2 | 22 | 0 | ||
| Oil and grease visual | 1 | 16 | 0 | ||
| Phosphorus, total [as P] | 1 | 11 | 0 | ||
| Oil and grease | 1 | 11 | 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 |
|---|---|---|
| July 27, 2023 | Monitoring Violations - Improper Analysis or Lab Error | 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 COG641149 there.
Nearby on the register
- Discharge permits in Jefferson County
- Every permit record in Jefferson County, A to Z
- Discharge permits in Colorado
- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.