Clean Water Act discharge permit · NPDES IDG130091

DEADMAN'S GULCH FISH HATCHERY, Twin Falls, ID: NPDES IDG130091 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

DEADMAN'S GULCH FISH HATCHERY, held by COATS ENTERPRISES, holds NPDES permit IDG130091, which discharges to Rock Creek Via Unnamed Seep Stream. EPA’s file records it issued August 19, 1999 and expiring September 10, 2004.

DEADMAN'S GULCH FISH HATCHERY, Twin Falls, Idaho: Coverage under a general permit IDG130091, held by COATS ENTERPRISES; Administratively continued (past its expiration date and still in force until reissued); issued August 19, 1999, term to September 10, 2004; discharges to ROCK CREEK VIA UNNAMED SEEP STREAM.

Solids, total suspended: 0 limits, 424 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 0 limits, 424 violations of any kind, 0 effluent exceedances.
Hardness, total [as CaCO3]: 0 limits, 53 violations of any kind, 0 effluent exceedances.
Copper, total recoverable: 0 limits, 53 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 0 limits, 53 violations of any kind, 0 effluent exceedances.

DEADMAN'S GULCH FISH HATCHERY among its neighbors

EPA’s permit file holds 22 discharge permits in the Outlet Rock Creek subwatershed (HUC 170402120608), IDG130091 among them. Its county holds 108, 1 of them major permits; IDG130091 is a minor permit.

Other permits in the Outlet Rock Creek subwatershed (HUC 170402120608)

2017 GRANDVIEW SEWER & CORROSION RESISTANT MANHOLES, Twin Falls: IDR1000LH, not classed
21951 US93 3250N TO 3800N (WCI), Filer: IDR10C22Z, minor permit, discharging to Lateral 153, permit term to February 9, 2027
BLIND CANYON AQUARANCH INC - TUPPER SPRINGS, Hagerman: IDG130131, minor permit, discharging to BILLINGSLEY CREEK, permit term to September 10, 2004
CONAGRA FOODS LAMB WESTON INC, Twin Falls: IDR05C169, not classed, discharging to ROCK CREEK
DAYDREAM RANCH, Twin Falls: IDG130084, minor permit, discharging to ROCK CREEK, permit term to September 10, 2004
EL MILAGRO HOMES, Twin Falls: IDR10C0TX, minor permit, discharging to K COULEE, permit term to February 9, 2027
EL MILAGRO PHASE I, Twin Falls: IDR1002KQ, minor permit, permit term to February 15, 2022
GOLDEN EAGLE SUBDIVISION NO. 7, Twin Falls: IDR10C0VN, minor permit, discharging to Low Line Canal, permit term to February 9, 2027
GORDON PAVING COMPANY INC, Twin Falls: IDR10B685, not classed, discharging to ROCK CREEK TO SNAKE RIVER
HARRISON ST SCHOOL SIDEWALKS PROJECT, Twin Falls: IDR1002MX, not classed

Identity

Facility as filed	DEADMAN'S GULCH FISH HATCHERY
Permittee as filed	COATS ENTERPRISES
NPDES ID	IDG130091
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 19, 1999
Expiration date	September 10, 2004
Address	Twin Falls, ID 83301
Receiving water	ROCK CREEK VIA UNNAMED SEEP STREAM
Subwatershed	Outlet Rock Creek (HUC 170402120608)

Effluent limits and exceedances

5Pollutants on file
0Under a numeric limit
5With a violation of any kind
0With 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
Solids, total suspended	0	424	0
Phosphorus, total [as P]	0	424	0
Hardness, total [as CaCO3]	0	53	0
Copper, total recoverable	0	53	0
Flow, in conduit or thru treatment plant	0	53	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IDG130091.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDG130091.

Inspections

EPA’s inspection file holds no inspection for NPDES IDG130091.

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 IDG130091.

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, IDG130091.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

Among the 14 general permit coverages in Twin Falls County, including this permit, 0.0% carry an earlier issue date than this permit. The Outlet Rock Creek subwatershed (HUC 170402120608) holds 22 NPDES permits, including DEADMAN'S GULCH FISH HATCHERY's filing. The permittee is listed as COATS ENTERPRISES, and the record reports 0 pollutants under a numeric limit.