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Clean Water Act discharge permit · NPDES IDG131014

LOST RIVER TROUT HATCHERY, Mackay, ID: NPDES IDG131014 discharge permit, effluent exceedances, inspections, penalties

LOST RIVER TROUT HATCHERY, held by Riverence Provisions LLC, holds NPDES permit IDG131014. EPA’s file records it issued November 1, 2019 and expiring November 30, 2024.

LOST RIVER TROUT HATCHERY, Mackay, Idaho: Coverage under a general permit IDG131014, held by Riverence Provisions LLC; Administratively continued (past its expiration date and still in force until reissued); issued November 1, 2019, term to November 30, 2024.

  • Temperature, water deg. centigrade: 8 limits, 1 violation of any kind, 1 effluent exceedance, latest September 30, 2025, largest 1% over the limit.
  • Solids, total suspended: 6 limits, 18 violations of any kind, 0 effluent exceedances.
  • Phosphorus, total [as P]: 6 limits, 0 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 2 limits, 0 violations of any kind, 0 effluent exceedances.

Other permits held by Riverence Provisions LLC

LOST RIVER TROUT HATCHERY among its neighbors

EPA’s permit file holds 2 discharge permits in the Lehman Creek-Warm Springs Creek subwatershed (HUC 170402180504), IDG131014 among them. Its county holds 23, 1 of them major permits; IDG131014 is a minor permit.

Other permits in the Lehman Creek-Warm Springs Creek subwatershed (HUC 170402180504)

Identity

Facility as filedLOST RIVER TROUT HATCHERY
Permittee as filedRiverence Provisions LLC
NPDES IDIDG131014
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
IssuedNovember 1, 2019
Expiration dateNovember 30, 2024
AddressMackay, ID 83251
SubwatershedLehman Creek-Warm Springs Creek (HUC 170402180504)

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
Temperature, water deg. centigrade811September 30, 20251% over the limit
Solids, total suspended6180
Phosphorus, total [as P]600
Flow, in conduit or thru treatment plant200

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDG131014.

Inspections

EPA’s inspection file holds no inspection for NPDES IDG131014.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES IDG131014.

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Nearby on the register

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

What this page shows

The page covers NPDES permit IDG131014 for the LOST RIVER TROUT HATCHERY in Mackay, ID, held by Riverence Provisions LLC, which is administratively continued and classed as a Minor Discharger. It lists 4 pollutants on file, 4 of them under a numeric limit, 2 with a violation of any kind, and 1 with an effluent exceedance.