Clean Water Act discharge permit · NPDES CO0040291
STONEGATE VILLAGE WWTF, Parker, CO: NPDES CO0040291 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 29Pollutants under a numeric limit
- 15Pollutants with an effluent exceedance
STONEGATE VILLAGE WWTF, held by Stonegate Village Metropolitan District, holds NPDES permit CO0040291, which discharges to Cherry Creek. EPA’s file records it issued June 30, 2003 and expiring July 31, 2008. 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 | STONEGATE VILLAGE WWTF |
|---|---|
| Permittee as filed | Stonegate Village Metropolitan District |
| NPDES ID | CO0040291 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 30, 2003 |
| Expiration date | July 31, 2008 |
| 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
- 39Pollutants on file
- 29Under a numeric limit
- 37With a violation of any kind
- 15With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 10 | 50 | 33 | December 31, 2008 | 2,860% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 37 | 8 | May 31, 2008 | 565% over the limit |
| Nitrogen, nitrate total [as N] | 2 | 9 | 8 | March 31, 2009 | 121% over the limit |
| E. coli, thermotol, MF, MTEC | 2 | 8 | 2 | August 31, 2007 | 71% over the limit |
| E. coli | 0 | 6 | 2 | February 28, 2026 | 99,999% over the limit |
| Nitrogen, inorganic total | 0 | 3 | 2 | March 31, 2026 | 20% over the limit |
| Manganese, dissolved [as Mn] | 0 | 2 | 2 | December 31, 2018 | 104% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 31 | 1 | February 28, 2007 | 18% over the limit |
| Chlorine, total residual | 2 | 18 | 1 | October 31, 2009 | 980% over the limit |
| Solids, total suspended | 6 | 11 | 1 | May 31, 2007 | 64% over the limit |
| pH | 4 | 9 | 1 | February 28, 2007 | |
| Copper, potentially dissolved | 2 | 9 | 1 | December 31, 2016 | 9% over the limit |
| %Effect Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 1 | 1 | March 31, 2008 | 96% over the limit |
| %Effect Static Renewal 7Day Chronic Pimephales promelas | 4 | 1 | 1 | March 31, 2008 | 59% over the limit |
| Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 1 | 1 | March 31, 2016 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 12 | 0 | ||
| Flow | 1 | 11 | 0 | ||
| Chromium, total [as Cr] | 2 | 8 | 0 | ||
| Selenium, total [as Se] | 2 | 8 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 2 | 8 | 0 | ||
| Zinc, potentially dissolved | 2 | 8 | 0 | ||
| Silver, potentially dissolved | 2 | 8 | 0 | ||
| Manganese, potentially dissolvd | 2 | 8 | 0 | ||
| Temperature, water deg. centigrade | 0 | 8 | 0 | ||
| Oil and grease visual | 2 | 5 | 0 | ||
| Coliform, fecal general | 2 | 4 | 0 | ||
| Iron, dissolved [as Fe] | 1 | 4 | 0 | ||
| Mercury, total [as Hg] | 1 | 4 | 0 | ||
| BOD, 5-day, percent removal | 2 | 3 | 0 | ||
| Solids, suspended percent removal | 2 | 3 | 0 | ||
| Oil and grease | 1 | 2 | 0 | ||
| Plant capacity fact. percent of capacity | 0 | 2 | 0 | ||
| Radium 226 + radium 228, total | 0 | 2 | 0 | ||
| Nonylphenol | 0 | 2 | 0 | ||
| Sulfate | 0 | 2 | 0 | ||
| Cyanide, weak acid, dissociable | 1 | 1 | 0 | ||
| Chloride [as Cl] | 0 | 1 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 4 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 4 | 0 | 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 |
|---|---|---|
| June 21, 2023 | Monitoring Violations - Invalid/Unrepresentative Sample | 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.
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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 CO0040291 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.