NPDES MTR000459 · Clean Water Act
CITY OF BILLINGS WWTP, Billings, MT: NPDES MTR000459 discharge permit, effluent exceedances, inspections, penalties
CITY OF BILLINGS WWTP, Billings, Montana: General permit coverage MTR000459, held by CITY OF BILLINGS; Industrial stormwater; Administratively continued; issued November 12, 2018, term to January 31, 2023; discharges to YELLOWSTONE RIVER.
- pH: 0 limits, 2 violations of any kind.
- Solids, total suspended: 0 limits, 2 violations of any kind.
- Chemical Oxygen Demand [COD]: 0 limits, 2 violations of any kind.
- March 12, 2026: Letter of Violation/ Warning Letter (State).
Montana holds 465 Industrial stormwater coverages of this permit type in EPA’s file; 296 were issued before MTR000459. CITY OF BILLINGS holds 7 permits in Montana.
Other permits held by CITY OF BILLINGS
- CITY OF BILLINGS WWTP, Billings: MT0022586, issued 2006-09-28
- CITY OF BILLINGS, Billings: MTG770013, issued 2015-11-20
- CITY OF BILLINGS, Billings: MTL022586, issued 2021-01-01
- CITY OF BILLINGS REGIONAL LANDFILL, Billings: MTR000380, issued 2018-05-24
- SIERRA GRANDA BLVD, Billings: MTR106941, issued 2017-06-27
- 62ND SAND RIMROCK ROUNDABOUT REPERMIT, Billings: MTR111441, issued 2025-07-17
Coverages issued nearest MTR000459
- 2018-10-26: LINDE PIT, Sidney: MTR000539, held by DAVID LINDE
- 2018-10-30: ASH GROVE CEMENT CO MONTANA CITY PLANT, Clancy: MTR000523, held by ASH GROVE CEMENT COMPANY
- 2018-11-01: GATES OF THE MOUNTAINS INC, Helena: MTR000394
- 2018-11-07: BRENNTAG PACIFIC INC, Billings: MTR000536
- 2018-11-07: DSL MCKEE PIT, Ennis: MTR000644, held by MADISON COUNTY
- 2018-11-15: MONTANA FABRICATION WORKS INC, Stevensville: MTR000069, held by Montana Fabrication Works Inc
- 2018-11-16: H-E PARTS INTERNATIONAL MINING SOLUTIONS, Billings: MTR000009, held by H-E Parts International Mining Solutions
- 2018-11-16: MITCHELLS OIL FIELD SERVICES - SIDNEY, Sidney: MTR000534, held by Wood Group USA
- 2018-11-16: VALLEY SAND & GRAVEL LLC - NORTH HILLS PIT, Helena: MTR000560, held by VALLEY SAND AND GRAVEL LLC
- 2018-12-20: MILES CITY AREA SOLID WASTE DISTRICT LANDFILL, Miles City: MTR000431, held by CUSTER COUNTY
CITY OF BILLINGS WWTP among its neighbors
157 discharge permits are in the Yellowstone River-Billings subwatershed (HUC 100700041006); MTR000459 is one. Its county: 431, 6 major; MTR000459 is minor permit.
Other permits in the Yellowstone River-Billings subwatershed (HUC 100700041006)
- 1ST AVE S - ADA (BILLINGS), Billings: MTR106802, minor, term to 2017-12-31
- 27TH STREET - 1ST AVE S TO AIRPORT, Billings: MTR107935, minor, term to 2022-12-31
- 322 SOUTH PLAINVIEW WAREHOUSE TENANT IMPROVEMENTS, Billings: MTR106676, minor, term to 2017-12-31
- 44 WEST, Billings: MTR111701, minor, term to 2027-12-31
- 48TH & CENTRAL, Billings: MTR111712, minor, term to 2027-12-31
- 54TH ST. SUBDIVISION, Billings: MTR111598, minor, term to 2027-12-31
- AAA COOPER TRANSPORTATION, Billings: MTR000121, minor, term to 2023-01-31
- ALBERTSONS 54TH & GRAND, Billings: MTR109321, minor, term to 2022-12-31
- ALLIED WASTE SERVICES OF NORTH AMERICA, Billings: MTR000320, minor, term to 2018-01-31
- ALLIED WASTE SERVICES OF NORTH AMERICA BILLINGS RECYCLING, Billings: MTR000366, minor, term to 2018-01-31
Identity
| Facility | CITY OF BILLINGS WWTP |
|---|---|
| Permittee | CITY OF BILLINGS |
| NPDES ID | MTR000459 |
| Status | Administratively continued |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Industrial stormwater |
| Issued | November 12, 2018 |
| Expires | January 31, 2023 |
| Address | Billings, MT 59101 |
| Receiving water | YELLOWSTONE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Yellowstone River-Billings (HUC 100700041006) |
NPDES MTR000459: effluent limits and exceedances
CITY OF BILLINGS WWTP (NPDES MTR000459): 3 pollutants on file, 0 limited; 3 with a violation of any kind, 0 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| pH | 0 | 2 | 0 | ||
| Solids, total suspended | 0 | 2 | 0 | ||
| Chemical Oxygen Demand [COD] | 0 | 2 | 0 |
NPDES MTR000459: inspections, violations and enforcement
NPDES MTR000459: 1 informal enforcement action
| Date | What EPA recorded | Agency |
|---|---|---|
| March 12, 2026 | Letter of Violation/ Warning Letter | State |
NPDES MTR000459 (CITY OF BILLINGS WWTP): no single-event violation, inspection and formal enforcement action on file.
Watch NPDES MTR000459
NPDES MTR000459: one email when its EPA record changes — $99/month.
Permits near NPDES MTR000459
NPDES MTR000459: 3 pollutant rows, 1 dated events; ICIS-NPDES download, loaded September 15, 2026.