Clean Water Act discharge permit · NPDES MTR000380
CITY OF BILLINGS REGIONAL LANDFILL, Billings, MT: NPDES MTR000380 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CITY OF BILLINGS REGIONAL LANDFILL, held by CITY OF BILLINGS, holds NPDES permit MTR000380, which discharges to Yellowstone River. EPA’s file records it issued May 24, 2018 and expiring January 31, 2023. 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 | CITY OF BILLINGS REGIONAL LANDFILL |
|---|---|
| Permittee as filed | CITY OF BILLINGS |
| NPDES ID | MTR000380 |
| 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 | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | May 24, 2018 |
| Expiration date | January 31, 2023 |
| Address | Billings, MT 59101 |
| Receiving water | YELLOWSTONE RIVER |
| SIC | 4953 – Refuse Systems |
| Other EPA IDs (FRS) | ICIS-AIR source 080000003011100904 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 9Pollutants on file
- 2Under a numeric limit
- 9With a violation of any kind
- 0With 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 | 2 | 7 | 0 | ||
| pH | 0 | 4 | 0 | ||
| Chemical Oxygen Demand [COD] | 0 | 4 | 0 | ||
| Flow rate | 0 | 3 | 0 | ||
| Oil and grease visual | 0 | 3 | 0 | ||
| Iron, total [as Fe] | 2 | 2 | 0 | ||
| Oxygen demand, chem. [low level] [COD] | 0 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 1 | 0 | ||
| Iron, total recoverable | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000380.
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
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 12, 2025 | Reporting Violations - Failure to Notify | ST6 |
| June 12, 2025 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
| June 12, 2025 | WW Storm Water Non-Construction - Failure to properly install/implement BMPs | ST6 |
| June 12, 2025 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| June 12, 2025 | WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs | ST6 |
| June 12, 2025 | Effluent Violations - Unauthorized Discharge | ST6 |
| June 21, 2018 | WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs | ST6 |
| June 21, 2018 | WW Storm Water Non-Construction - Narrative effluent violation | ST6 |
| June 21, 2018 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
Inspections
EPA’s inspection file holds no inspection for NPDES MTR000380.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| March 12, 2026 | Letter of Violation/ Warning Letter | State |
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, MTR000380.
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 MTR000380 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.