Clean Water Act discharge permit · NPDES UT0021326
PLAIN CITY WASTEWATER TREATMENT PLANT, Plain City, UT: NPDES UT0021326 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 11Pollutants with an effluent exceedance
PLAIN CITY WASTEWATER TREATMENT PLANT, held by PLAIN CITY CORPORATION, holds NPDES permit UT0021326, which discharges to Drain To Great Salt Lake. EPA’s file records it issued November 30, 2020 and expiring November 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 | PLAIN CITY WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | PLAIN CITY CORPORATION |
| NPDES ID | UT0021326 |
| 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 | November 30, 2020 |
| Expiration date | November 30, 2025 |
| Issuing agency | UTAH DEQ DIVISION OF WATER QUALITY |
| Address | Plain City, UT 84404 |
| Receiving water | DRAIN TO GREAT SALT LAKE |
| Subwatershed | First Salt Creek-Frontal Willard Bay (HUC 160201020702) |
| 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
- 19Pollutants on file
- 14Under a numeric limit
- 17With a violation of any kind
- 11With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, percent removal | 0 | 76 | 68 | March 31, 2026 | 562% over the limit |
| Solids, suspended percent removal | 0 | 70 | 61 | January 31, 2026 | 567% over the limit |
| Solids, total suspended | 3 | 104 | 43 | November 30, 2023 | 811% over the limit |
| pH | 2 | 71 | 22 | July 31, 2015 | |
| Oxygen, dissolved [DO] | 1 | 32 | 22 | June 30, 2019 | 80% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 82 | 18 | April 30, 2021 | 92% over the limit |
| E. coli | 2 | 41 | 18 | December 31, 2020 | 1,805% over the limit |
| Coliform, total general | 0 | 33 | 9 | December 31, 2004 | 235% over the limit |
| Chlorine, total residual | 6 | 19 | 7 | October 31, 2018 | 340% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 13 | 5 | April 30, 2026 | 139% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 66 | 2 | September 30, 2018 | 1,400% over the limit |
| Coliform, fecal general | 0 | 27 | 0 | ||
| Phosphorus, total [as P] | 3 | 16 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 16 | 0 | ||
| Oil and grease | 1 | 9 | 0 | ||
| Phosphate, ortho [as P] | 1 | 8 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 8 | 0 | ||
| Nitrogen, nitrate total [as NO3] | 1 | 0 | 0 | ||
| Nitrogen, nitrite total [as NO2] | 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 UT0021326.
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, UT0021326.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 UT0021326 there.
Nearby on the register
- Discharge permits in Plain City
- Every permit record in Plain City, A to Z
- Discharge permits in Utah
- Every permit record in Utah, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.