Clean Water Act discharge permit · NPDES MTG010225

DAIRYLAND FARMS INC - CAFO PERMIT, Manhattan, MT: NPDES MTG010225 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
0Pollutants with an effluent exceedance

DAIRYLAND FARMS INC - CAFO PERMIT, held by DAIRYLAND FARMS INC, holds NPDES permit MTG010225, which discharges to Lowline Canal. EPA’s file records it issued June 15, 2012 and expiring October 31, 2013. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	DAIRYLAND FARMS INC - CAFO PERMIT
Permittee as filed	DAIRYLAND FARMS INC
NPDES ID	MTG010225
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
Program	Concentrated animal feeding operations
Issued	June 15, 2012
Expiration date	October 31, 2013
Address	Manhattan, MT 59741
Receiving water	LOWLINE CANAL
Subwatershed	Gallatin River-Central Park (HUC 100200080705)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

8Pollutants on file
8Under a numeric limit
8With 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
BOD, 5-day, 20 deg. C	1	2
pH	1	2
Solids, total suspended	1	2
Nitrogen, total [as N]	1	2
Nitrogen, ammonia total [as N]	1	2
Nitrite + Nitrate total [as N]	1	2
Phosphorus, total [as P]	1	2
E. coli, MTEC-MF	1	2

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG010225.

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

1Single-event violations

Date	What EPA recorded	Agency
September 7, 2023	WW CAFO - Permitting Violations - Failure to submit required permit application or identifying info	ST6

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

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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 MTG010225 there.

Nearby on the register

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

This public-records page covers NPDES permit MTG010225, held by DAIRYLAND FARMS INC - CAFO PERMIT in Manhattan, MT, which discharges to Lowline Canal in the Gallatin River-Central Park subwatershed (HUC 100200080705). The permit is administratively continued, is classed as a minor discharger, and lists 8 pollutants on file, with 0 pollutants under a numeric limit and 0 with an effluent exceedance.