Clean Water Act discharge permit · NPDES IDR10C0X8

US-20 EXIT 343 INTERCHANGE, Saint Anthony, ID: NPDES IDR10C0X8 discharge permit, effluent exceedances, inspections, penalties

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

US-20 EXIT 343 INTERCHANGE, held by Idaho Transportation Department, holds NPDES permit IDR10C0X8, which discharges to Twin Groves Canal. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

US-20 EXIT 343 INTERCHANGE, Saint Anthony, Idaho: Coverage under a general permit IDR10C0X8, held by Idaho Transportation Department; Construction stormwater; Effective; issued January 10, 2022, term to February 9, 2027; discharges to Twin Groves Canal.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 576 were issued before IDR10C0X8. Idaho Transportation Department holds 28 permits in Idaho.

Other permits held by Idaho Transportation Department

13513 SH-8 MILL ROAD TURNBAY, Moscow: IDR1000EK
31513; SH-8, MILL ROAD TURNBAY, Near Moscow: IDR1000M2
I-84B NORTHSIDE BLVD TO GRANT ST, CANYON COUNTY I-, Nampa: IDR1000OB
SH-72, LANGLEY GULCH BRIDGE, New Plymouth: IDR1000OX
US-30, E 4000 NORTH ROAD, Filer: IDR100175
SH-16 INT BEACON LIGHT RD, Star: IDR10018X
US-30, E 4000 NORTH ROAD, Filer: IDR1001AO
I-84 NORTHSIDE BLVD TO FRANKLIN BLVD NAMPA, Nampa: IDR1001XV, issued July 15, 2019
SH-55, SMITHS FERRY TO ROUND VALLEY KN01004, Smiths Ferry: IDR1002OB, issued September 9, 2020
HALF CFI, EAGLE RE & SH-44, Eagle: IDR1002XO, issued February 10, 2021

Coverages issued nearest IDR10C0X8

January 10, 2022: KINGSTOWN SUBDIVISION - PHASE 1, Meridian, IDR10C0WZ, held by Maddyn Homes, LLC
January 10, 2022: LEWISTON HIGH SCHOOL SPORTS FIELDS, Lewiston, IDR10C0X2, held by Kenaston Corporation
January 10, 2022: RANCH IMPROVEMENTS, Banks, IDR10C0X3, held by Conscious LLC
January 10, 2022: RANCH IMPROVEMENTS (LAYTON), Banks, IDR10C0X4, held by Layton Construction
January 10, 2022: HIDDEN MILL, Middleton, IDR10C0X5, held by Michelle Ames
January 10, 2022: TM CENTER SUBDIVISION NO. 2, Meridian, IDR10C0XC, held by Brighton Development
January 10, 2022: TM CREEK SUBDIVISION NO. 7 ROADWAY AND UTILITY PROJECT, Meridian, IDR10C0XH, held by Smith Brighton, Inc.
January 10, 2022: SL EXISTING CENTRAL UTILITY PLANT DEMOLTION, Boise, IDR10C0XI, held by Layton Construction
January 10, 2022: GREAT WESTERN SUBDIVISION, Shelley, IDR10C0XJ, held by Knife River Corporation - Mountain West
January 10, 2022: HIGHLANDS AT BODIE CANYON, Priest River, IDR10C0XO, held by Eclipse Excavation

US-20 EXIT 343 INTERCHANGE among its neighbors

EPA’s permit file holds 8 discharge permits in the Farmers Friend Canal-Lower Teton River subwatershed (HUC 170402040802), IDR10C0X8 among them. Its county holds 15, 0 of them major permits; IDR10C0X8 is a minor permit.

Other permits in the Farmers Friend Canal-Lower Teton River subwatershed (HUC 170402040802)

EXIT 343 INTERCHANGE, Saint Anthony: IDR10C0W1, minor permit, discharging to Twin Groves Canal, permit term to February 9, 2027
RAILROAD AVE./3RD SOUTH IMPROVEMENT, Sugar City: IDR10L0D2, not classed
ST. ANTHONY MOTORS, Saint Anthony: IDR10C0FH, minor permit, discharging to twin groves canal, permit term to February 9, 2027
SUGAR MILL, Sugar City: IDR10C12Q, minor permit, discharging to Teton River, permit term to February 9, 2027
SUGAR TRANSPORTATION & MAINTENANCE FACILITY, Sugar City: IDR10C15A, minor permit, discharging to North Fork Teton River, permit term to February 9, 2027
SUNPRO CORPORATION CORE 4, Sugar City: IDR10C1AA, minor permit, discharging to North Fork Teton River, permit term to February 9, 2027
WATCO BRANCH LINE REMOVAL, St. Anthony: IDR100366, not classed

What the register holds for US-20 EXIT 343 INTERCHANGE: its NPDES ID, its permit type and status, its dates, its address in Saint Anthony, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C0X8.

Identity

Facility as filed	US-20 EXIT 343 INTERCHANGE
Permittee as filed	Idaho Transportation Department
NPDES ID	IDR10C0X8
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	January 10, 2022
Expiration date	February 9, 2027
Address	Saint Anthony, ID 83445
Receiving water	Twin Groves Canal
Subwatershed	Farmers Friend Canal-Lower Teton River (HUC 170402040802)

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10C0X8.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C0X8.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C0X8.

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 IDR10C0X8.

Watch this permit

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Nearby on the register

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

US-20 EXIT 343 INTERCHANGE is among the 11 storm water construction permits in Fremont County, and 0.0% of those carry a violation on file. The Farmers Friend Canal-Lower Teton River subwatershed holds 8 NPDES permits, including this one.