Clean Water Act discharge permit · NPDES MTG581007
PARK CITY COUNTY WASTEWATER TREATMENT FACILITY, Park City Division, MT: NPDES MTG581007 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
PARK CITY COUNTY WASTEWATER TREATMENT FACILITY, held by PARK CITY WATER AND SEWER DISTRICT, holds NPDES permit MTG581007, which discharges to Vandenberg Drain Ditch. EPA’s file records it issued January 17, 2018 and expiring December 31, 2022. 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 | PARK CITY COUNTY WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | PARK CITY WATER AND SEWER DISTRICT |
| NPDES ID | MTG581007 |
| 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 | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 17, 2018 |
| Expiration date | December 31, 2022 |
| Address | Park City Division, MT 59063 |
| Receiving water | VANDENBERG DRAIN DITCH |
| Subwatershed | Yellowstone River-Bellion Creek (HUC 100700040601) |
| 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
- 15Pollutants on file
- 15Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 20 | 20 | May 31, 2026 | 81% over the limit |
| Solids, suspended percent removal | 1 | 4 | 4 | June 30, 2026 | 38% over the limit |
| E. coli, MTEC-MF | 4 | 3 | 3 | December 31, 2019 | 154% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 7 | 1 | September 30, 2018 | 44% over the limit |
| pH | 2 | 1 | 1 | August 31, 2020 | |
| BOD, 5-day, percent removal | 1 | 1 | 1 | June 30, 2018 | 4% over the limit |
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 1 | 0 | ||
| Flow rate | 2 | 0 | 0 | ||
| Oil & Grease | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Duration of discharge | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 27, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 24, 2020 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| June 24, 2020 | Monitoring Violations - Analysis not Conducted | ST6 |
| June 24, 2020 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| June 24, 2020 | 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 MTG581007 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.