Clean Water Act discharge permit · NPDES MI0004081

USDI-SULLIVAN CR FISH HATCHERY, Brimley, MI: NPDES MI0004081 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
1Pollutants with an effluent exceedance

USDI-SULLIVAN CR FISH HATCHERY, held by U.S. Department of the Interior, holds NPDES permit MI0004081. EPA’s file records it issued December 28, 2018 and expiring October 1, 2023. 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.

Identity

Facility as filed	USDI-SULLIVAN CR FISH HATCHERY
Permittee as filed	U.S. Department of the Interior
NPDES ID	MI0004081
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Federal facility
Issued	December 28, 2018
Expiration date	October 1, 2023
Issuing agency	State
Address	Brimley, MI 49715
Subwatershed	Prey Creek-North Pine River (HUC 040700020204)
NAICS	112511 – Finfish Farming and Fish Hatcheries
SIC	0921 – Fish Hatcheries And Preserves

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

6Pollutants on file
6Under a numeric limit
6With a violation of any kind
1With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Phosphorus, total [as P]	24	807	2	March 31, 2004	158% over the limit
Solids, total suspended	12	455	0
Flow, in conduit or thru treatment plant	4	214	0
Outfall observation,visual, y/n response	2	93	0
pH	4	88	0
Formaldehyde	4	60	0

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

3Single-event violations

Date	What EPA recorded	Agency
May 24, 2021	Effluent Violations - Numeric effluent violation	ST6
October 21, 2018	Reporting Violations - Late Submittal of DMRs	ST6
September 21, 2017	Reporting Violations - Late Submittal of DMRs	ST6

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 MI0004081 there.

Nearby on the register

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

This public-records page covers NPDES permit MI0004081 for USDI-SULLIVAN CR FISH HATCHERY in Brimley, MI, held by the U.S. Department of the Interior, with its status shown as administratively continued and its discharger class as Minor. The page lists 1 pollutant under a numeric limit and 1 pollutant with an effluent exceedance, and places the facility in the Prey Creek-North Pine River subwatershed (HUC 040700020204).