Clean Water Act discharge permit · NPDES MTG770003

BUTTE-SILVER BOW 24 POTABLE PIPELINE, Butte, MT: NPDES MTG770003 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
1Pollutants under a numeric limit
1Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

BUTTE-SILVER BOW 24 POTABLE PIPELINE, held by BUTTE SILVER BOW DPW WATER UTILITY DIV, holds NPDES permit MTG770003, which discharges to Basin Creek Via Ephemeral Creek. EPA’s file records it issued November 19, 2015 and expiring December 31, 2020.

BUTTE-SILVER BOW 24 POTABLE PIPELINE, Butte, Montana: Coverage under a general permit MTG770003, held by BUTTE SILVER BOW DPW WATER UTILITY DIV; Administratively continued (past its expiration date and still in force until reissued); issued November 19, 2015, term to December 31, 2020; discharges to BASIN CREEK VIA EPHEMERAL CREEK.

Flow rate: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest May 31, 2008, largest 143% over the limit.
Oxidants released, total residual: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Other permits held by BUTTE SILVER BOW DPW WATER UTILITY DIV

2010 BIG HOLE WATER TRANSMISSION MAIN REPLACEMENT, Butte: MTR103980, issued January 1, 2013

BUTTE-SILVER BOW 24 POTABLE PIPELINE among its neighbors

EPA’s permit file holds 15 discharge permits in the Basin Creek subwatershed (HUC 170102010201), MTG770003 among them. Its county holds 103, 3 of them major permits; MTG770003 is a minor permit.

Other permits in the Basin Creek subwatershed (HUC 170102010201)

AMAZON.COM SERVICES LLC - WMT6, Butte: MTR000900, minor permit, discharging to BASIN CREEK, permit term to January 31, 2028
BASIN CREEK WATER TREATMENT PLANT, Butte: MT0031810, not classed, discharging to BASIN CREEK
BERT MOONEY AIRPORT AUTH - SOUTH SIDE PAVING PROJ., Butte: MTR102315, minor permit, discharging to BASIN CREEK, permit term to December 31, 2007
BERT MOONEY BORROW DEVELOPEMENT, Butte: MTR110334, minor permit, discharging to BASIN CREEK, permit term to December 31, 2027
BRETZ RV AND MARINE PRELIMINARY GRADING, Butte: MTR111246, minor permit, discharging to BASIN CREEK, permit term to December 31, 2027
BUTTE GM, Butte: MTR110244, minor permit, discharging to LITTLE BASIN CREEK, permit term to December 31, 2027
FEDEX GROUND PACKAGE SYSTEM - BUTTE, Butte: MTRNE0063, minor permit, discharging to BASIN CREEK, permit term to January 31, 2018
MCDERMOTT WAREHOUSE, Butte: MTR109956, minor permit, discharging to BASIN CREEK, permit term to December 31, 2027
MIKE MANSFIELD ADVANCED TECH, Butte: MTR000017, minor permit, discharging to SAND CREEK, permit term to September 30, 2006
STERICYCLE NO EXPOSURE, Butte: MTRNE0056, not classed, discharging to BASIN CREEK

Identity

Facility as filed	BUTTE-SILVER BOW 24 POTABLE PIPELINE
Permittee as filed	BUTTE SILVER BOW DPW WATER UTILITY DIV
NPDES ID	MTG770003
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	November 19, 2015
Expiration date	December 31, 2020
Address	Butte, MT 59701
Receiving water	BASIN CREEK VIA EPHEMERAL CREEK
Subwatershed	Basin Creek (HUC 170102010201)
SIC	4941 – Water Supply

Effluent limits and exceedances

2Pollutants on file
1Under a numeric limit
1With a violation of any kind
1With 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
Flow rate	0	1	1	May 31, 2008	143% over the limit
Oxidants released, total residual	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTG770003.

Inspections

EPA’s inspection file holds no inspection for NPDES MTG770003.

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 MTG770003.

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, MTG770003.

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Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MTG770003 for the BUTTE-SILVER BOW 24 POTABLE PIPELINE in Butte, MT, held by BUTTE SILVER BOW DPW WATER UTILITY DIV and discharging to Basin Creek via Ephemeral Creek, with the permit listed as administratively continued. The page lists 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, within subwatershed Basin Creek (HUC 170102010201).