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Clean Water Act discharge permit · NPDES MTR104583

BEST DEVELOPMENT CORP - ZIMMERMAN TOWNHOMES PHASE II, Billings, MT: NPDES MTR104583 discharge permit, effluent exceedances, inspections, penalties

BEST DEVELOPMENT CORP - ZIMMERMAN TOWNHOMES PHASE II, held by BEST DEVELOPMENT CORPORATION, holds NPDES permit MTR104583, which discharges to Yellowstone River. EPA’s file records it issued June 8, 2012 and expiring December 31, 2012. 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 BEST DEVELOPMENT CORP - ZIMMERMAN TOWNHOMES PHASE II: 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 MTR104583.

Identity

Facility as filedBEST DEVELOPMENT CORP - ZIMMERMAN TOWNHOMES PHASE II
Permittee as filedBEST DEVELOPMENT CORPORATION
NPDES IDMTR104583
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
IssuedJune 8, 2012
Expiration dateDecember 31, 2012
Issuing agencyMONTANA DEQ
AddressBillings, MT 59102
Receiving waterYELLOWSTONE RIVER
SubwatershedYellowstone River-Billings (HUC 100700041006)
SIC1521 – Single-Family Housing Construction

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR104583.

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 MTR104583.

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, MTR104583.

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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 MTR104583 there.

Nearby on the register

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

What this page shows

The Best Development Corp - Zimmerman Townhomes Phase II permit, held by Best Development Corporation in Billings, is one of 262 storm water construction permits on EPA's NPDES register in Yellowstone County, this one included. Among the 157 NPDES permits in the Yellowstone River-Billings subwatershed, this one is counted alongside its peers, and the permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance. Of all 253 storm water construction permits in Yellowstone County, 12.6% were issued earlier than this one, and 5.0% of the 262 such permits in the county carry a violation on file.