Velarion Records

Clean Water Act discharge permit · NPDES NDR10I066

THUNDER BUTTE PIPELINE PROJECT, Makoti, ND: NPDES NDR10I066 discharge permit, effluent exceedances, inspections, penalties

THUNDER BUTTE PIPELINE PROJECT, held by Thunder Butte Pipeline LLC/Gap Midstream LLC, holds NPDES permit NDR10I066. EPA’s file records it issued July 7, 2025 and expiring February 16, 2027. 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 THUNDER BUTTE PIPELINE PROJECT: its NPDES ID, its permit type and status, its dates, its address in Makoti, North Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES NDR10I066.

Identity

Facility as filedTHUNDER BUTTE PIPELINE PROJECT
Permittee as filedThunder Butte Pipeline LLC/Gap Midstream LLC
NPDES IDNDR10I066
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 7, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressMakoti, ND 58756
SubwatershedTown of Prairie Junction (HUC 101101012601)

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 NDR10I066.

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 NDR10I066.

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, NDR10I066.

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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 NDR10I066 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

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