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Clean Water Act discharge permit · NPDES MTR110250

P-798 ANNAFELD SUBDIVISION 5TH FILING - PHASE 1, Billings, MT: NPDES MTR110250 discharge permit, effluent exceedances, inspections, penalties

P-798 ANNAFELD SUBDIVISION 5TH FILING - PHASE 1, held by MCCALL DEVELOPMENT, holds NPDES permit MTR110250, which discharges to Yellowstone River. EPA’s file records it issued November 1, 2023 and expiring December 31, 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 P-798 ANNAFELD SUBDIVISION 5TH FILING - PHASE 1: 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 MTR110250.

Identity

Facility as filedP-798 ANNAFELD SUBDIVISION 5TH FILING - PHASE 1
Permittee as filedMCCALL DEVELOPMENT
NPDES IDMTR110250
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedNovember 1, 2023
Expiration dateDecember 31, 2027
AddressBillings, MT 59106
Receiving waterYELLOWSTONE RIVER
SubwatershedYellowstone River-Billings (HUC 100700041006)
SIC1522 – Residential 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 MTR110250.

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 MTR110250.

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, MTR110250.

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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 MTR110250 there.

Nearby on the register

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

What this page shows

The P-798 ANNAFELD SUBDIVISION 5TH FILING - PHASE 1 storm water construction permit in Billings is one of 262 such permits in Yellowstone County on EPA's NPDES register, and it sits within a subwatershed that holds 157 NPDES permits, this one included. Among the 253 storm water construction permits in Yellowstone County, 75.5% were issued earlier than this one, and the permit has no pollutants under a numeric limit and no effluent exceedances on file.