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Clean Water Act discharge permit · NPDES MT0032069

MONTANA DAKOTA UTILITIES CO LEWIS & CLARK STATION, Sidney, MT: NPDES MT0032069 discharge permit, effluent exceedances, inspections, penalties

MONTANA DAKOTA UTILITIES CO LEWIS & CLARK STATION, held by Montana-Dakota Utilities, holds NPDES permit MT0032069, which discharges to Yellowstone River. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for MONTANA DAKOTA UTILITIES CO LEWIS & CLARK STATION: its NPDES ID, its permit type and status, its its address in Sidney, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MT0032069.

Identity

Facility as filedMONTANA DAKOTA UTILITIES CO LEWIS & CLARK STATION
Permittee as filedMontana-Dakota Utilities
NPDES IDMT0032069
Permit statusNot needed
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
AddressSidney, MT 59270
Receiving waterYELLOWSTONE RIVER
Receiving water impaired303(D) Listed
SubwatershedTown of Newlon Junction-Yellowstone River (HUC 101000042209)
Other EPA IDs (FRS)RCRA handler MTD000716803; ICIS-AIR source MT0000003008300003

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MT0032069.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MT0032069.

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, MT0032069.

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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 MT0032069 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The Montana Dakota Utilities Co Lewis & Clark Station permit, held by Montana-Dakota Utilities for its facility in Sidney, Richland County, Montana, is one of 4 individual permits on EPA's NPDES register in that county. It also sits among 16 NPDES permits in the Town of Newlon Junction-Yellowstone River subwatershed. The permit records no pollutants under a numeric limit and no effluent exceedances.