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Clean Water Act discharge permit · NPDES MTR106826

S1 DLC (12-12), Sunburst, MT: NPDES MTR106826 discharge permit, effluent exceedances, inspections, penalties

S1 DLC (12-12), held by NORTHERN TELEPHONE COOPERATIVE INC, holds NPDES permit MTR106826, which discharges to Marias. EPA’s file records it issued April 12, 2017 and expiring December 31, 2017. 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.

What the register holds for S1 DLC (12-12): its NPDES ID, its permit type and status, its dates, its address in Sunburst, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR106826.

Identity

Facility as filedS1 DLC (12-12)
Permittee as filedNORTHERN TELEPHONE COOPERATIVE INC
NPDES IDMTR106826
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 12, 2017
Expiration dateDecember 31, 2017
Issuing agencyMT DEQ
AddressSunburst, MT 59482
Receiving waterMARIAS
SIC1623 – Water, Sewer, And Utility Lines

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR106826.

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 MTR106826.

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, MTR106826.

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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 MTR106826 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The S1 DLC (12-12) storm water construction permit in Sunburst, Montana, is one of 26 such permits in Toole County on EPA's NPDES register, this one included. Of all 24 storm water construction permits in Toole County, this one included, 45.8% carry an earlier issue date than this permit. The permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance on file, and 0.0% of those 26 Toole County storm water construction permits have a violation on record.