Clean Water Act discharge permit · NPDES MTB010913

LENTZ CONSTRUCTION - FLYNN LOWNEY DIVERSION 318, Missoula, MT: NPDES MTB010913 discharge permit, effluent exceedances, inspections, penalties

Not neededPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

LENTZ CONSTRUCTION - FLYNN LOWNEY DIVERSION 318, held by LENTZ CONSTRUCTION INC, holds NPDES permit MTB010913, which discharges to Clark Fork River. 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 LENTZ CONSTRUCTION - FLYNN LOWNEY DIVERSION 318: its NPDES ID, its permit type and status, its its address in Missoula, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTB010913.

Identity

Facility as filed	LENTZ CONSTRUCTION - FLYNN LOWNEY DIVERSION 318
Permittee as filed	LENTZ CONSTRUCTION INC
NPDES ID	MTB010913
Permit status	Not needed
Permit type	State-issued individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issuing agency	MONTANA DEQ
Address	Missoula, MT 59801
Receiving water	CLARK FORK RIVER
Subwatershed	Clark Fork River-Marshall Creek (HUC 170102040104)
SIC	1629 – Heavy Construction

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

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTB010913.

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 MTB010913.

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, MTB010913.

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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 MTB010913 there.

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 MTB010913, held by LENTZ CONSTRUCTION INC for LENTZ CONSTRUCTION - FLYNN LOWNEY DIVERSION 318 in Missoula, MT, which discharges to the Clark Fork River. The listed figures are 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with a discharger class of 0 and a permit status of Not needed. The page also lists the subwatershed as Clark Fork River-Marshall Creek (HUC 170102040104).