Clean Water Act discharge permit · NPDES MTX000189
TOWN PUMP BILLINGS #4, Billings, MT: NPDES MTX000189 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
TOWN PUMP BILLINGS #4, held by BIG SKY PROGRESS LLC, holds NPDES permit MTX000189, which discharges to Class Ii Ground Water. EPA’s file records it issued July 13, 2013 and expiring August 31, 2018. 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 | TOWN PUMP BILLINGS #4 |
|---|---|
| Permittee as filed | BIG SKY PROGRESS LLC |
| NPDES ID | MTX000189 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 13, 2013 |
| Expiration date | August 31, 2018 |
| Address | Billings, MT 59102 |
| Receiving water | CLASS II GROUND WATER |
| Subwatershed | Yellowstone River-Sevenmile Creek (HUC 100700070403) |
| SIC | 5499 – Miscellaneous Food Stores |
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
- 10Pollutants on file
- 9Under a numeric limit
- 10With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Nitrogen, total, percent removal [%] | 1 | 33 | 28 | March 31, 2026 | |
| Nitrogen, total [as N] | 5 | 38 | 3 | March 31, 2026 | 122% over the limit |
| Flow rate | 2 | 19 | 1 | September 30, 2012 | 55% over the limit |
| Nitrite + Nitrate total [as N] | 4 | 25 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 24 | 0 | ||
| Phosphorus, total [as P] | 5 | 20 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 11 | 0 | ||
| Solids, total suspended | 1 | 11 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 8 | 0 | ||
| Oil and grease, hexane extr method | 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 |
|---|---|---|
| December 18, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 18, 2025 | Monitoring Violations - Frequency of Sampling Violation | 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.
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, MTX000189.
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 MTX000189 there.
Nearby on the register
- Discharge permits in Billings
- Every permit record in Billings, A to Z
- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.