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Clean Water Act discharge permit · NPDES MTX000141

BRIDGE CREEK ESTATES, Helena, MT: NPDES MTX000141 discharge permit, effluent exceedances, inspections, penalties

BRIDGE CREEK ESTATES, held by BRIDGE CREEK ESTATES LLC, holds NPDES permit MTX000141, which discharges to Class I Ground Water. EPA’s file records it issued April 26, 2011 and expiring May 31, 2016. 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 filedBRIDGE CREEK ESTATES
Permittee as filedBRIDGE CREEK ESTATES LLC
NPDES IDMTX000141
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeState-issued individual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 26, 2011
Expiration dateMay 31, 2016
Issuing agencyMONTANA DEQ
AddressHelena, MT 59602
Receiving waterCLASS I GROUND WATER
Receiving water impaired303(D) Listed
SubwatershedLower Silver Creek (HUC 100301011503)

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, total [as N]42821December 31, 202190% over the limit
Nitrogen, nitrate total [as N]0228December 31, 201020% over the limit
Phosphorus, total [as P]341December 31, 202020% over the limit
Water level at sample collection time2190
Chloride [as Cl]0160
Coliform, fecal general0140
Nitrite + Nitrate total [as N]3130
Nitrogen, Kjeldahl, total [as N]1110
Flow rate280
E. coli, MTEC-MF170
Specific conductance070
Nitrogen, ammonia total [as N]060
Conductivity240
BOD, 5-day, 20 deg. C130
Solids, total suspended130
pH020

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

DateWhat EPA recordedAgency
March 12, 2025Management Practice Violations - Failure to Maintain RecordsST6
March 12, 2025Monitoring Violations - Invalid/Unrepresentative SampleST6
March 12, 2025Permit Violations - Failure to Submit Timely Permit Renewal ApplicationST6
March 12, 2025Reporting Violations - Improper/ Incorrect ReportingST6

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.

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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 MTX000141 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MTX000141, held by BRIDGE CREEK ESTATES LLC for BRIDGE CREEK ESTATES in Helena, MT, and listed as administratively continued with a Minor Discharger class. The facts list 16 pollutants on file, 10 under a numeric limit, 3 with an effluent exceedance, and a permit issued April 26, 2011 and expiring May 31, 2016.