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Clean Water Act discharge permit · NPDES MT0030660

SUMMIT GAS RESOURCES, INC., Decker, MT: NPDES MT0030660 discharge permit, effluent exceedances, inspections, penalties

SUMMIT GAS RESOURCES, INC., held by PINNACLE GAS RESOURCES INC, holds NPDES permit MT0030660, which discharges to Tongue River. EPA’s file records it issued November 19, 2004 and expiring December 31, 2009. 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 filedSUMMIT GAS RESOURCES, INC.
Permittee as filedPINNACLE GAS RESOURCES INC
NPDES IDMT0030660
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 19, 2004
Expiration dateDecember 31, 2009
Issuing agencyMONTANA DEQ
AddressDecker, MT 59025
Receiving waterTONGUE RIVER
SubwatershedTongue River-Post Creek (HUC 100901010601)

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
Selenium, total recoverable32618March 31, 2007833% over the limit
Cadmium, total recoverable32516March 31, 20071,752% over the limit
pH392March 31, 2006
Flow rate4200
Specific conductance5140
Temperature, water deg. centigrade2140
Flow, wastewater by-passing trtmnt plant3130
Sodium adsorption ratio5120
Nitrogen, ammonia total [as N]290
Solids, total dissolved [TDS]290
Nitrogen, total [as N]280
Nitrogen, Kjeldahl, total [as N]280
Nitrite + Nitrate total [as N]280
Phosphorus, total [as P]280
Sodium, total recoverable280
Mercury, total recoverable270
Arsenic, total recoverable260
Strontium, total [as Sr]250
Lead, total recoverable250
Copper, total recoverable250
Radium 226 + radium 228, total150
Solids, total suspended240
Barium, total recoverable240
Calcium, total recoverable130
Magnesium, total recoverable120
Radium 223, total120
Toxicity [chronic], Ceriodaphnia dubia110
Toxicity [chronic], Pimephales promelas [Fathead Minnow]110
BOD, 5-day, 20 deg. C100
Oil and grease, hexane extr method100
Carbon, tot organic [TOC]100
Cyanide, total [as CN]100
Fluoride, total [as F]100
Iron, total recoverable100
Boron, total recoverable100
Iron, dissolved [as Fe]100
Zinc, total recoverable100
Aluminum, dissolved [as Al]100
Radiation, gross beta100
Manganese, total recoverable100
Phenols100
Chemical Oxygen Demand [COD]100
Radiation, gross alpha100
Report due [yrmoda]100

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MT0030660.

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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How we handle your data → Privacy

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 MT0030660 there.

Nearby on the register

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