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Clean Water Act discharge permit · NPDES MTR10I06Q

MAKAWASHA AVE STREET IMPROVEMENTS & POWWOW GROUND PATH, Crow Agency, MT: NPDES MTR10I06Q discharge permit, effluent exceedances, inspections, penalties

MAKAWASHA AVE STREET IMPROVEMENTS & POWWOW GROUND PATH, held by Riverside Contracting, Inc., holds NPDES permit MTR10I06Q. EPA’s file records it issued July 29, 2026 and expiring February 16, 2027.

MAKAWASHA AVE STREET IMPROVEMENTS & POWWOW GROUND PATH, Crow Agency, Montana: Coverage under a general permit MTR10I06Q, held by Riverside Contracting, Inc.; Construction stormwater; Effective; issued July 29, 2026, term to February 16, 2027, by U.S. EPA.

Montana holds 2,848 Construction stormwater coverages of this permit type in EPA’s file; 2,614 were issued before MTR10I06Q. Riverside Contracting, Inc. holds 2 permits in Montana.

Other permits held by Riverside Contracting, Inc.

Coverages issued nearest MTR10I06Q

MAKAWASHA AVE STREET IMPROVEMENTS & POWWOW GROUND PATH among its neighbors

EPA’s permit file holds 4 discharge permits in the Little Bighorn River-Brush Tail Coulee subwatershed (HUC 100800160501), MTR10I06Q among them.

Other permits in the Little Bighorn River-Brush Tail Coulee subwatershed (HUC 100800160501)

What the register holds for MAKAWASHA AVE STREET IMPROVEMENTS & POWWOW GROUND PATH: its NPDES ID, its permit type and status, its dates, its address in Crow Agency, Montana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR10I06Q.

Identity

Facility as filedMAKAWASHA AVE STREET IMPROVEMENTS & POWWOW GROUND PATH
Permittee as filedRiverside Contracting, Inc.
NPDES IDMTR10I06Q
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 29, 2026
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressCrow Agency, MT 59022
SubwatershedLittle Bighorn River-Brush Tail Coulee (HUC 100800160501)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR10I06Q.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR10I06Q.

Inspections

EPA’s inspection file holds no inspection for NPDES MTR10I06Q.

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

EPA’s informal enforcement file holds no action for NPDES MTR10I06Q.

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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, MTR10I06Q.

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Nearby on the register

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

What this page shows

Among the 5 storm water construction permits on EPA's NPDES register in Crow Agency, the MAKAWASHA AVE STREET IMPROVEMENTS & POWWOW GROUND PATH permit is one of the 4 NPDES permits in the Little Bighorn River-Brush Tail Coulee subwatershed (HUC 100800160501), this one included. Of those 5 Crow Agency storm water construction permits, 0.0% have a violation on file, and this permit has none of the recorded pollutants under a numeric limit or effluent exceedances, which are each counted as 0.