Clean Water Act discharge permit · NPDES COG588062
NEW CASTLE WWTF, New Castle, CO: NPDES COG588062 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
NEW CASTLE WWTF, held by New Castle Town of, holds NPDES permit COG588062, which discharges to Colorado River. EPA’s file records it issued July 19, 2005 and expiring May 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 | NEW CASTLE WWTF |
|---|---|
| Permittee as filed | New Castle Town of |
| NPDES ID | COG588062 |
| 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 | July 19, 2005 |
| Expiration date | May 31, 2010 |
| Address | New Castle, CO 81647 |
| Receiving water | COLORADO RIVER |
| Subwatershed | South Canyon Creek-Colorado River (HUC 140100050102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 13Under a numeric limit
- 13With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 8 | 51 | 37 | August 31, 2009 | 101% over the limit |
| Coliform, fecal general | 2 | 12 | 6 | November 30, 2008 | 175% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 27 | 3 | July 31, 2006 | 63% over the limit |
| BOD, 5-day, percent removal | 1 | 6 | 2 | July 31, 2006 | 129% over the limit |
| Chlorine, total residual | 3 | 10 | 1 | December 31, 2007 | 2% over the limit |
| Solids, suspended percent removal | 1 | 5 | 1 | May 31, 2006 | 3% over the limit |
| Solids, total suspended | 4 | 16 | 0 | ||
| pH | 4 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 8 | 0 | ||
| Solids, total dissolved | 4 | 6 | 0 | ||
| Oil and grease | 1 | 4 | 0 | ||
| Oil and grease visual | 1 | 4 | 0 | ||
| E. coli | 2 | 2 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES COG588062.
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
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, COG588062.
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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 COG588062 there.
Nearby on the register
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- Every permit record in Colorado, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.