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Clean Water Act discharge permit · NPDES MTR102928

DENBURY ONSHORE - LITTLE BEAVER 31X-14, Baker, MT: NPDES MTR102928 discharge permit, effluent exceedances, inspections, penalties

DENBURY ONSHORE - LITTLE BEAVER 31X-14, held by ENCORE OPERATING LP, holds NPDES permit MTR102928, which discharges to Unnamed Trib To Mud Creek. EPA’s file records it issued March 21, 2008 and expiring December 31, 2011. 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.

What the register holds for DENBURY ONSHORE - LITTLE BEAVER 31X-14: its NPDES ID, its permit type and status, its dates, its address in Baker, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR102928.

Identity

Facility as filedDENBURY ONSHORE - LITTLE BEAVER 31X-14
Permittee as filedENCORE OPERATING LP
NPDES IDMTR102928
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 21, 2008
Expiration dateDecember 31, 2011
Issuing agencyMONTANA DEQ
AddressBaker, MT 59313
Receiving waterUNNAMED TRIB TO MUD CREEK
SubwatershedLittle Beaver Creek-Mud Creek (HUC 101102011102)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR102928.

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 MTR102928.

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, MTR102928.

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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 MTR102928 there.

Nearby on the register

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

What this page shows

The DENBURY ONSHORE - LITTLE BEAVER 31X-14 is one of 39 storm water construction permits in Fallon County, and 0.0% of those permits have a violation on file. Among the 37 storm water construction permits in Fallon County, 24.3% were issued earlier than this one. The permit also shares the Little Beaver Creek-Mud Creek subwatershed with 4 NPDES permits, this one included, and it records no pollutants under a numeric limit and no effluent exceedances.