Clean Water Act discharge permit · NPDES UT0024503
MONTICELLO CITY WASTEWATER TREATMENT PLANT, Monticello, UT: NPDES UT0024503 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
MONTICELLO CITY WASTEWATER TREATMENT PLANT, held by MONTICELLO CITY, holds NPDES permit UT0024503, which discharges to Montezuma Creek. EPA’s file records it issued October 28, 2020 and expiring October 31, 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 | MONTICELLO CITY WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | MONTICELLO CITY |
| NPDES ID | UT0024503 |
| 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 | October 28, 2020 |
| Expiration date | October 31, 2025 |
| Issuing agency | UTAH DEQ DIVISION OF WATER QUALITY |
| Address | Monticello, UT 84535 |
| Receiving water | MONTEZUMA CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Sagers Wash (HUC 140300010706) |
| 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
- 16Under a numeric limit
- 21With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Solids, total dissolved | 1 | 75 | 1 | July 31, 2008 | 46% over the limit |
| Chlorine, total residual | 1 | 39 | 1 | July 31, 2008 | 75% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 180 | 0 | ||
| Solids, total suspended | 3 | 180 | 0 | ||
| pH | 2 | 120 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 116 | 0 | ||
| E. coli | 2 | 74 | 0 | ||
| Phosphorus, total [as P] | 2 | 70 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 66 | 0 | ||
| BOD, 5-day, percent removal | 1 | 60 | 0 | ||
| Solids, suspended percent removal | 1 | 60 | 0 | ||
| Coliform, fecal general | 0 | 46 | 0 | ||
| Coliform, total general | 0 | 46 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 38 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 33 | 0 | ||
| Phosphate, ortho [as P] | 1 | 33 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 31 | 0 | ||
| Nitrogen, nitrate total [as NO3] | 1 | 12 | 0 | ||
| Nitrogen, nitrite total [as NO2] | 1 | 12 | 0 | ||
| Flow, total | 1 | 12 | 0 | ||
| Nitrogen, ammonia total [as NH4] | 0 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 30, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| April 17, 2017 | Reporting Violations - Improper/ Incorrect Reporting | 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 UT0024503 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.