Clean Water Act discharge permit · NPDES UT0023663
CASTLE VALLEY SPECIAL SERVICE, Castle Dale, UT: NPDES UT0023663 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
CASTLE VALLEY SPECIAL SERVICE holds NPDES permit UT0023663, which discharges to Cottonwood Creek. EPA’s file records it issued September 27, 2020 and expiring September 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CASTLE VALLEY SPECIAL SERVICE |
|---|---|
| Permittee as filed | CASTLE VALLEY SPECIAL SERVICE |
| NPDES ID | UT0023663 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 27, 2020 |
| Expiration date | September 30, 2025 |
| Issuing agency | UTAH DEQ DIVISION OF WATER QUALITY |
| Address | Castle Dale, UT 84513 |
| Receiving water | COTTONWOOD CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Rock Canyon Creek (HUC 140600090208) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 21Pollutants on file
- 18Under a numeric limit
- 18With 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 |
|---|---|---|---|---|---|
| Coliform, total general | 0 | 32 | 12 | September 30, 2002 | 732% over the limit |
| Coliform, fecal general | 0 | 30 | 12 | October 31, 2004 | 796% over the limit |
| E. coli | 2 | 3 | 3 | September 30, 2009 | 138% over the limit |
| pH | 2 | 26 | 2 | March 31, 2011 | |
| Nitrogen, ammonia total [as N] | 8 | 9 | 2 | February 28, 2014 | 65% over the limit |
| BOD, 5-day, percent removal | 1 | 12 | 1 | September 30, 2013 | 53% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 33 | 0 | ||
| Solids, total suspended | 3 | 33 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 24 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 23 | 0 | ||
| Solids, total dissolved | 2 | 14 | 0 | ||
| Nitrogen, nitrate total [as NO3] | 1 | 12 | 0 | ||
| Nitrogen, nitrite total [as NO2] | 1 | 12 | 0 | ||
| Flow, total | 1 | 12 | 0 | ||
| Solids, suspended percent removal | 1 | 11 | 0 | ||
| Chlorine, total residual | 1 | 7 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 6 | 0 | ||
| Phosphorus, total [as P] | 3 | 1 | 0 | ||
| Oil and grease | 1 | 0 | 0 | ||
| Phosphate, ortho [as P] | 1 | 0 | 0 | ||
| Oil and grease visual | 1 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES UT0023663.
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 UT0023663 there.
Nearby on the register
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- Every permit record in Utah, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.