Clean Water Act discharge permit · NPDES IDR10C1GU

I-84 SYSTEM IC TO FRANKLIN IC, Nampa, ID: NPDES IDR10C1GU 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

I-84 SYSTEM IC TO FRANKLIN IC, held by CONCRETE PLACING CO INC, holds NPDES permit IDR10C1GU, which discharges to Rachel Drain. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

I-84 SYSTEM IC TO FRANKLIN IC, Nampa, Idaho: Coverage under a general permit IDR10C1GU, held by CONCRETE PLACING CO INC; Construction stormwater; Effective; issued January 10, 2022, term to February 9, 2027; discharges to Rachel Drain.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 576 were issued before IDR10C1GU. CONCRETE PLACING CO INC holds 5 permits in Idaho.

Other permits held by CONCRETE PLACING CO INC

I-84 NORTHSIDE BLVD TO FRANKLIN BLVD NAMPA, Nampa: IDR1001XR, issued July 12, 2019
S CEMETERY RD; SH-44 TO WILLOW CR, MIDDLETON, Middleton: IDR1002XW
I-84 FRANKLIN IC TO KARCHER IC - EAST, Caldwell: IDR10037W, issued June 17, 2021
SH-16 AT VALNOVA DR, Eagle: IDR10C1YO, issued January 10, 2022

Coverages issued nearest IDR10C1GU

January 10, 2022: NEW SINGLE FAMILY RESIDENCE FOR BRUCE THOMPSON, Sun Valley, IDR10C1GL, held by Bradley Construction North
January 10, 2022: D&B SUPPLY, Jerome, IDR10C1GM, held by 5J Excavation
January 10, 2022: CROSSINGS SOUTH SUBDIVISION, Middleton, IDR10C1GN, held by Hubble Homes, LLC
January 10, 2022: WANDERING TRAIL MCH, Garden City, IDR10C1GO, held by Morgan Ririe
January 10, 2022: CALDWELL BOX N LOCK, Caldwell, IDR10C1GT, held by Trico Construction, LLC
January 10, 2022: HEAD START FOR TWIN FALLS, Twin Falls, IDR10C1GV, held by Kier Construction
January 10, 2022: ABERDEEN WWTP IMPROVEMENTS, Aberdeen, IDR10C1GW, held by Starr Corporation
January 10, 2022: BOI VEHICLE GATE REPLACEMENT, Boise, IDR10C1GY, held by Knife River Corporation - Mountain West
January 10, 2022: IDAHO DEPARTMENT OF LABOR TWIN FALLS IDAHO, Twin Falls, IDR10C1H0, held by Alpine Construction Management
January 10, 2022: WOODBURY SUBDIVISION ADDITION 1, Moscow, IDR10C1H1, held by Levi Wintz

I-84 SYSTEM IC TO FRANKLIN IC among its neighbors

EPA’s permit file holds 360 discharge permits in the Mason Creek subwatershed (HUC 170501140407), IDR10C1GU among them.

Other permits in the Mason Creek subwatershed (HUC 170501140407)

10 MILE RETAIL, Meridian: IDR10037Z, not classed
1209 ANDY LANE TRUCK YARD, Caldwell: IDR1002I9, not classed
17270 NORTHSIDE BOULEVARD, Nampa: IDR10L0KV, not classed
22102 FRANKLIN BLVD & KARCHER RD INT, Nampa: IDR10L0E1, not classed
4-LOT FLEX BUILDING SUBDIVISION, Caldwell: IDR1002R2, not classed
500 LATERAL RELOCATION, Caldwell: IDR10026E, not classed
620 N. 39TH STREET NORTH BUILDING, Nampa: IDR10L07V, not classed
ABC ROOFING SUPPLY COMPANY, Nampa: IDR1000K1, not classed
ADAMS RIDGE APARTMENTS, Nampa: IDR10C27V, minor permit, discharging to Mason Creek, permit term to February 9, 2027
ADAMS RIDGE SUBDIVISION NO 7, Nampa: IDR10C0UC, minor permit, discharging to MIDDLE LATERAL, permit term to February 9, 2027

What the register holds for I-84 SYSTEM IC TO FRANKLIN IC: its NPDES ID, its permit type and status, its dates, its address in Nampa, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C1GU.

Identity

Facility as filed	I-84 SYSTEM IC TO FRANKLIN IC
Permittee as filed	CONCRETE PLACING CO INC
NPDES ID	IDR10C1GU
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	Nampa, ID 83687
Receiving water	Rachel Drain
Subwatershed	Mason Creek (HUC 170501140407)

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 IDR10C1GU.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C1GU.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C1GU.

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 IDR10C1GU.

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, IDR10C1GU.

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Nearby on the register

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

Among the 208 storm water construction permits in Nampa, 0.0% have a violation on file. I-84 SYSTEM IC TO FRANKLIN IC is counted among 360 NPDES permits in the Mason Creek subwatershed, including this permit. Of the 84 storm water construction permits in Nampa, counting this permit, 63.1% were issued earlier.