Clean Water Act discharge permit · NPDES MTG071463

MSU SEWER INTERCEPTOR REPLACEMENT, Bozeman, MT: NPDES MTG071463 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
5Pollutants under a numeric limit
0Pollutants with an effluent exceedance

MSU SEWER INTERCEPTOR REPLACEMENT, held by WILLIAMS CIVIL CONSTRUCTION INC, holds NPDES permit MTG071463, which discharges to Middle Creek Ditch. EPA’s file records it issued July 27, 2026 and expiring April 30, 2030. 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 MSU SEWER INTERCEPTOR REPLACEMENT: its NPDES ID, its permit type and status, its dates, its address in Bozeman, Montana, its receiving water, and 5 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG071463.

Identity

Facility as filed	MSU SEWER INTERCEPTOR REPLACEMENT
Permittee as filed	WILLIAMS CIVIL CONSTRUCTION INC
NPDES ID	MTG071463
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 27, 2026
Expiration date	April 30, 2030
Address	Bozeman, MT 59715
Receiving water	MIDDLE CREEK DITCH
Subwatershed	Bozeman Creek (HUC 100200080904)
SIC	1623 – 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

5Pollutants on file
5Under 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
Turbidity	4	0	0
Oil & Grease	2	0	0
Duration	2	0	0
Oil and grease visual	2	0	0
Outfall observation,visual, y/n response	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG071463.

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 MTG071463.

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, MTG071463.

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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 MTG071463 there.

Nearby on the register

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

This public-records page covers NPDES permit MTG071463 for MSU SEWER INTERCEPTOR REPLACEMENT in Bozeman, MT, held by WILLIAMS CIVIL CONSTRUCTION INC and discharging to Middle Creek Ditch. The permit is listed as Effective and as a Minor discharger, with 5 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.