Clean Water Act discharge permit · NPDES COG074423
SIERRA RIDGE FIL 1, Parker, CO: NPDES COG074423 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SIERRA RIDGE FIL 1, held by Iron Woman Construction, holds NPDES permit COG074423, which discharges to Cherry Creek. EPA’s file records it issued May 31, 2013 and expiring September 30, 2013. 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 | SIERRA RIDGE FIL 1 |
|---|---|
| Permittee as filed | Iron Woman Construction |
| NPDES ID | COG074423 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 31, 2013 |
| Expiration date | September 30, 2013 |
| Address | Parker, CO 80134 |
| Receiving water | Cherry Creek |
| Subwatershed | Happy Canyon Creek-Cherry Creek (HUC 101900030301) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 12Under a numeric limit
- 12With 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 | 88 | 0 | ||
| Selenium, potentially dissolvd | 8 | 88 | 0 | ||
| E. coli | 8 | 88 | 0 | ||
| Solids, total suspended | 4 | 72 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 60 | 0 | ||
| Phosphorus, total [as P] | 4 | 44 | 0 | ||
| Oil and grease | 4 | 44 | 0 | ||
| Toluene | 4 | 44 | 0 | ||
| Benzene | 4 | 44 | 0 | ||
| Ethylbenzene | 4 | 44 | 0 | ||
| Oil and grease visual | 4 | 44 | 0 | ||
| Solids, total dissolved | 2 | 8 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG074423.
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 COG074423.
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.
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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 COG074423 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.