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Clean Water Act discharge permit · NPDES MTR000850

EMERALD HILLS, Huntley, MT: NPDES MTR000850 discharge permit, effluent exceedances, inspections, penalties

EMERALD HILLS, held by CROELL INCORPORATED, holds NPDES permit MTR000850, which discharges to Pryor Creek. EPA’s file records it issued May 9, 2024 and expiring January 31, 2028. 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.

Identity

Facility as filedEMERALD HILLS
Permittee as filedCROELL INCORPORATED
NPDES IDMTR000850
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedMay 9, 2024
Expiration dateJanuary 31, 2028
AddressHuntley, MT 59037
Receiving waterPRYOR CREEK
SubwatershedPryor Creek-Leg Creek (HUC 100700080304)

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

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH220
Solids, total suspended220
Chemical Oxygen Demand [COD]220

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000850.

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 MTR000850.

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.

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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 MTR000850 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit MTR000850 for the facility EMERALD HILLS in Huntley, MT, held by CROELL INCORPORATED, which discharges to Pryor Creek in the Pryor Creek-Leg Creek subwatershed (HUC 100700080304). The permit is listed as effective, issued May 9, 2024 and expiring January 31, 2028, with 3 pollutants on file, all under a numeric limit, and 0 with an effluent exceedance.