Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MTR105213

PRIVATE CONTRACT 593 - UINTA PARK SUBDIV PH IV, Billings, MT: NPDES MTR105213 discharge permit, effluent exceedances, inspections, penalties

PRIVATE CONTRACT 593 - UINTA PARK SUBDIV PH IV, held by TRIO CONSTRUCTION, holds NPDES permit MTR105213, which discharges to City Of Billings Ms4. EPA’s file records it issued August 21, 2013 and expiring December 31, 2017. 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 PRIVATE CONTRACT 593 - UINTA PARK SUBDIV PH IV: its NPDES ID, its permit type and status, its dates, its address in Billings, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR105213.

Identity

Facility as filedPRIVATE CONTRACT 593 - UINTA PARK SUBDIV PH IV
Permittee as filedTRIO CONSTRUCTION
NPDES IDMTR105213
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 21, 2013
Expiration dateDecember 31, 2017
Issuing agencyMONTANA DEQ
AddressBillings, MT 59105
Receiving waterCITY OF BILLINGS MS4
SubwatershedYellowstone River-Sevenmile Creek (HUC 100700070403)

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 MTR105213.

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 MTR105213.

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, MTR105213.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 MTR105213 there.

Nearby on the register

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

What this page shows

PRIVATE CONTRACT 593 - UINTA PARK SUBDIV PH IV is one of 262 storm water construction permits on EPA's NPDES register in Yellowstone County, and it sits among 61 NPDES permits in the Yellowstone River-Sevenmile Creek subwatershed, this one included. The permit records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.