Clean Water Act discharge permit · NPDES IDR10C0K8

DARIGOLD SITE IMPROVEMENTS PROJECT, Boise, ID: NPDES IDR10C0K8 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

DARIGOLD SITE IMPROVEMENTS PROJECT, held by IMCO Construction, holds NPDES permit IDR10C0K8, which discharges to Fivemile Creek. EPA’s file records it issued September 28, 2022 and expiring February 9, 2027.

DARIGOLD SITE IMPROVEMENTS PROJECT, Boise, Idaho: Coverage under a general permit IDR10C0K8, held by IMCO Construction; Construction stormwater; Effective; issued September 28, 2022, term to February 9, 2027; discharges to Fivemile Creek.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 1,939 were issued before IDR10C0K8. IMCO Construction holds 4 permits in Idaho.

Other permits held by IMCO Construction

POCATELLO CREEK BOOSTER STATION (IMCO), Pocatello: IDR10C07A, issued February 22, 2022
LACTALIS AMERICAN GROUP, Nampa: IDR10L0CE
LACTALIS, Nampa: IDR10L0F0

Coverages issued nearest IDR10C0K8

September 21, 2022: GANDER CREEK NORTH SUBDIVISION NO. 1 & OFFSITE PROJECTS, Meridian, IDR10C0K0, held by Biltmore Company
September 22, 2022: LS RANCH SUBDIVISION NO. 3 (TITANIUM EXCAVATION), Nampa, IDR10C0K1, held by Titanium Excavation
September 23, 2022: MCCALL ACTIVITY BARN - BRUNDAGE MTN RESORT LLC, Mccall, IDR10C0K4, held by Bob Looper
September 23, 2022: US 20/26, LINDER ROAD TO LOCUST GROVE ROAD PHASE 2 (HIGH DESERT), Meridian, IDR10C0K5, held by High Desert Development
September 28, 2022: IRBY PROPERTY, Hayden Lake, IDR10C0K7, held by Christopher Morris
September 28, 2022: APEX WAREHOUSE, Twin Falls, IDR10C0K9, held by Petersen Brothers Construction
September 29, 2022: MICRON B42, Boise, IDR10C0KA, held by Engineered Structures Inc
September 29, 2022: MILLTOWN PARK MIXED USE, Sandpoint, IDR10C0KB, held by Baker Construction & Development Inc.
October 3, 2022: I 84 TO FRANKLIN RD, ADA & CANYON COS, Nampa, IDR10C0KE, held by Idaho Transportation Department
October 5, 2022: SALMON WHITEWATER PARK, Salmon, IDR10C0KJ, held by Down To Earth Excavation

DARIGOLD SITE IMPROVEMENTS PROJECT among its neighbors

EPA’s permit file holds 141 discharge permits in the South Slough-Boise River subwatershed (HUC 170501140405), IDR10C0K8 among them. Its county holds 668, 5 of them major permits; IDR10C0K8 is a minor permit.

Other permits in the South Slough-Boise River subwatershed (HUC 170501140405)

2ND SPACE STORAGE, Meridian: IDR10C1G9, minor permit, discharging to South Slough, permit term to February 9, 2027
4120 N. LINDER RD. COMMERCIAL, Meridian: IDR10035O, minor permit, permit term to February 15, 2022
55 RESORT AT VERANO PLACE, Meridian: IDR10C06V, minor permit, discharging to ACHD Ponds 386, 387, 388, permit term to February 16, 2022
ACHD CT226-07: LIBERTY ST: DOUGLAS ST. TO DENTON ST., Boise: IDR10C1VT, minor permit, discharging to Rust Lateral, permit term to February 9, 2027
ADDISON CIRCLE SUBDIVSION, Meridian: IDR10C1R9, minor permit, discharging to Unknown irrigation ditch. I asked DEQ if this is, permit term to February 9, 2027
ADERO PARK SUBDIVISION NO 2, Meridian: IDR10C1UM, minor permit, discharging to McMillian Lateral, permit term to February 9, 2027
ADERO PARK SUBDIVISION NO 2, Meridian: IDR10C1UN, minor permit, discharging to McMillian Lateral, permit term to February 9, 2027
ALICIA COURT SUBDIVISION, Meridian: IDR10024C, not classed
ALPINE ST, ORCHARD ST TO RANDALL ST, Boise: IDR100071, not classed
AMBLESIDE SUBDIVISION NO 1, Boise: IDR100376, not classed

What the register holds for DARIGOLD SITE IMPROVEMENTS PROJECT: its NPDES ID, its permit type and status, its dates, its address in Boise, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C0K8.

Identity

Facility as filed	DARIGOLD SITE IMPROVEMENTS PROJECT
Permittee as filed	IMCO Construction
NPDES ID	IDR10C0K8
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	September 28, 2022
Expiration date	February 9, 2027
Address	Boise, ID 83704
Receiving water	Fivemile Creek
Subwatershed	South Slough-Boise River (HUC 170501140405)

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 IDR10C0K8.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C0K8.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C0K8.

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 IDR10C0K8.

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, IDR10C0K8.

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Nearby on the register

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

The violation rate across the 561 storm water construction permits in Ada County is 0.0%. DARIGOLD SITE IMPROVEMENTS PROJECT sits in the South Slough-Boise River subwatershed, which counts 141 NPDES permits. Of the 451 Ada County storm water construction permits, 92.2% were issued before this permit.