Clean Water Act discharge permit · NPDES COG081369
LEE GULCH AT CARBONE PARK, Littleton, CO: NPDES COG081369 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LEE GULCH AT CARBONE PARK, held by Naranjo Civil Constructors Inc, holds NPDES permit COG081369, which discharges to Lee Gulch. EPA’s file records it issued November 4, 2025 and expiring May 31, 2028. 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.
What the register holds for LEE GULCH AT CARBONE PARK: its NPDES ID, its permit type and status, its dates, its address in Littleton, Colorado, its receiving water, and 7 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG081369.
Identity
| Facility as filed | LEE GULCH AT CARBONE PARK |
|---|---|
| Permittee as filed | Naranjo Civil Constructors Inc |
| NPDES ID | COG081369 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 4, 2025 |
| Expiration date | May 31, 2028 |
| Address | Littleton, CO 80120 |
| Receiving water | Lee Gulch |
| Subwatershed | Dutch Creek-South Platte River (HUC 101900020901) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 0With a violation of any kind
- 0With 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 | 8 | 0 | 0 | ||
| Solids, total suspended | 8 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 0 | 0 | ||
| Oil and grease | 4 | 0 | 0 | ||
| Flow, total | 4 | 0 | 0 | ||
| Duration of discharge | 4 | 0 | 0 | ||
| Oil and grease visual | 4 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG081369.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COG081369.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COG081369.
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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 COG081369 there.
Nearby on the register
- Discharge permits in Littleton
- Every permit record in Littleton, 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.