NPDES MTR040010 · Clean Water Act
YELLOWSTONE COUNTY/MDT SMALL MS-4, Billings, MT: NPDES MTR040010 discharge permit, effluent exceedances, inspections, penalties
YELLOWSTONE COUNTY/MDT SMALL MS-4, Billings, Montana: General permit coverage MTR040010, held by YELLOWSTONE COUNTY; Small municipal storm sewer systems; Administratively continued; issued January 1, 2015, term to December 31, 2016, by MONTANA DEQ; discharges to YELLOWSTONE RIVER.
- June 23, 2026: CWA 309G2A AO For Class I Penalties (EPA), $22,400 federal penalty.
- April 1, 2022: Discharge from a MS4 to waters of the U.S. without NPDES permit coverage (EP6).
- April 1, 2022: Failure to submit required application or NOI regarding MS4 operation or MS4 stormwater discharges (EP6).
- December 31, 2021: Discharge from a MS4 to waters of the U.S. without NPDES permit coverage (EP6).
- June 14, 2018: WW Storm Water MS4 - Failure to develop any or adequate SWPPP/SWMP (ST6).
Montana holds 16 Small municipal storm sewer systems coverages of this permit type in EPA’s file; 1 were issued before MTR040010. YELLOWSTONE COUNTY holds 6 permits in Montana.
Other permits held by YELLOWSTONE COUNTY
- YELLOWSTONE COUNTY JUNK VEHICLE, Billings: MTR000911, issued 2026-03-30
- YELLOWSTONE COUNTY, Billings: MTR040054, issued 2024-09-05
- YELLOWSTONE COUNTY PUBLIC WORKS - STRATTON ROAD, Billings: MTR103595, issued 2009-11-13
- YELLOWSTONE COUNTY - CROOKED CREEK BR 9056(63), Shepherd: MTR104453, issued 2012-03-09
- YELLOWSTONE CO WATER & SEWER, Custer: MTX000169
Coverages issued nearest MTR040010
- 2006-07-17: MONTANA DEPARTMENT OF TRANSPORTATION - HELENA SMALL MS4, Helena: MTR040009, held by MONTANA DEPARTMENT OF TRANSPORTATION
- 2017-01-31: CITY OF BOZEMAN SMALL MS-4, Bozeman: MTR040002, held by CITY OF BOZEMAN
- 2017-01-31: CITY OF HELENA MS-4, Helena: MTR040003, held by CITY OF HELENA
- 2017-01-31: CITY OF GREAT FALLS SMALL MS-4, Great Falls: MTR040004, held by CITY OF GREAT FALLS
- 2017-01-31: CITY OF KALISPELL SMALL MS-4, Kalispell: MTR040005, held by CITY OF KALISPELL
- 2017-01-31: CITY OF BUTTE MS-4, Butte: MTR040006, held by CITY OF BUTTE
YELLOWSTONE COUNTY/MDT SMALL MS-4 among its neighbors
157 discharge permits are in the Yellowstone River-Billings subwatershed (HUC 100700041006); MTR040010 is one. Its county: 431, 6 major; MTR040010 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 | YELLOWSTONE COUNTY/MDT SMALL MS-4 |
|---|---|
| Permittee | YELLOWSTONE COUNTY |
| NPDES ID | MTR040010 |
| Status | Administratively continued |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Small municipal storm sewer systems |
| Issued | January 1, 2015 |
| Expires | December 31, 2016 |
| Agency | MONTANA DEQ |
| Address | Billings, MT 59107 |
| Receiving water | YELLOWSTONE RIVER |
| Subwatershed | Yellowstone River-Billings (HUC 100700041006) |
| SIC | 9511 – Air, Water, & Solid Waste Management |
NPDES MTR040010: effluent limits and exceedances
YELLOWSTONE COUNTY/MDT SMALL MS-4 (NPDES MTR040010): 0 pollutants on file, 0 limited; 0 with a violation of any kind, 0 with an exceedance.
NPDES MTR040010: no pollutant row on file.
NPDES MTR040010: inspections, violations and enforcement
NPDES MTR040010: 4 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 1, 2022 | Discharge from a MS4 to waters of the U.S. without NPDES permit coverage | EP6 |
| April 1, 2022 | Failure to submit required application or NOI regarding MS4 operation or MS4 stormwater discharges | EP6 |
| December 31, 2021 | Discharge from a MS4 to waters of the U.S. without NPDES permit coverage | EP6 |
| June 14, 2018 | WW Storm Water MS4 - Failure to develop any or adequate SWPPP/SWMP | ST6 |
NPDES MTR040010: 1 formal enforcement action
1 of them with a penalty assessed. How penalties are shown.
| Date | What EPA recorded | Agency | Federal penalty | State or local penalty |
|---|---|---|---|---|
| June 23, 2026 | CWA 309G2A AO For Class I Penalties | EPA | $22,400 |
NPDES MTR040010 (YELLOWSTONE COUNTY/MDT SMALL MS-4): no inspection and informal enforcement action on file.
Watch NPDES MTR040010
NPDES MTR040010: one email when its EPA record changes — $99/month.
Permits near NPDES MTR040010
NPDES MTR040010: 0 pollutant rows, 5 dated events; ICIS-NPDES download, loaded October 14, 2026.