Clean Water Act discharge permit · NPDES MTR000831

RAUSCHY SITE, Culbertson, MT: NPDES MTR000831 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
1Pollutants under a numeric limit
0Pollutants with an effluent exceedance

RAUSCHY SITE, held by DC AGGREGATE LLC, holds NPDES permit MTR000831, which discharges to Hardscrabble Creek. EPA’s file records it issued May 1, 2023 and expiring January 31, 2028. 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 RAUSCHY SITE: its NPDES ID, its permit type and status, its dates, its address in Culbertson, Montana, its receiving water, and 1 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR000831.

Identity

Facility as filed	RAUSCHY SITE
Permittee as filed	DC AGGREGATE LLC
NPDES ID	MTR000831
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	May 1, 2023
Expiration date	January 31, 2028
Address	Culbertson, MT 59218
Receiving water	HARDSCRABBLE CREEK
Subwatershed	Upper Hardscrabble Creek (HUC 100600050401)
SIC	1429 – Crushed And Broken Stone

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

1Pollutants on file
1Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	1	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000831.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR000831.

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, MTR000831.

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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 MTR000831 there.

Nearby on the register

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

This public-records page covers NPDES permit MTR000831 for RAUSCHY SITE in Culbertson, MT, held by DC AGGREGATE LLC, with an Effective status, a Minor discharger class, and a Coverage under a general permit type under the Industrial stormwater program. The register lists 1 pollutant under a numeric limit and 0 pollutants with an effluent exceedance, and it shows an issue date of May 1, 2023 and an expiration date of January 31, 2028.