Clean Water Act discharge permit · NPDES IDR10C122

COLT HEIGHTS SUBDIVISION, City Of Star, ID: NPDES IDR10C122 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

COLT HEIGHTS SUBDIVISION, held by Trilogy Development, Inc., holds NPDES permit IDR10C122, which discharges to Foothill Ditch. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

COLT HEIGHTS SUBDIVISION, City Of Star, Idaho: Coverage under a general permit IDR10C122, held by Trilogy Development, Inc.; Construction stormwater; Effective; issued January 10, 2022, term to February 9, 2027; discharges to Foothill Ditch.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 576 were issued before IDR10C122. Trilogy Development, Inc. holds 102 permits in Idaho.

Other permits held by Trilogy Development, Inc.

PAD THAI HOUSE, Boise: IDR1000UK
AEGEAN ESTATES STOCKPILES, Meridian: IDR1002A2
JUMP CREEK SUBDIVISION: CREASON LATERAL OFFSITE, Meridian: IDR1002BF
AEROSKY PARK 'A' DRAIN TILING, Caldewll: IDR1002VJ
PROMINENCE SUBDIVISION, Boise: IDR10C0NS, issued February 7, 2023
MIDDLEBURY NORTH SUBDIVISION NO. 1 & STONE LATERAL TILING, Nampa: IDR10C0NU, issued February 7, 2023
WAVERLY PARK SUBDIVISION NO. 1, Middleton: IDR10C0OJ, issued March 13, 2023
JASPER RIDGE SUBDIVISION NO. 2, Nampa: IDR10C0PV, issued April 17, 2023
LEDGESTONE SUBDIVISION NO. 4, Kuna: IDR10C0Q8, issued April 21, 2023
CALLISTO HEIGHTS SUBDIVISION, Boise: IDR10C0TJ, issued January 10, 2022

Coverages issued nearest IDR10C122

January 10, 2022: MIDVALE TELEPHONE COMPANY, Midvale, IDR10C11P, held by Julie Brecht
January 10, 2022: KARCHER IC, KARCHER TO MIDDLETON RD., Nampa, IDR10C11U, held by Knife River Corporation
January 10, 2022: PRESCOTT RIDGE SUBDIVISION NO 2, Meridian, IDR10C11X, held by Hubble Homes, LLC
January 10, 2022: HYGGE AT HARRIS RANCH, Boise, IDR10C11Y, held by ID Elemental
January 10, 2022: LONG HORN ACRES SUBDIVISION SITE IMPROVEMENTS, Emmett, IDR10C120, held by CM Company
January 10, 2022: MAGNOLIA ESTATES SUBDIVISION, Nampa, IDR10C123, held by Trilogy Developments, Inc
January 10, 2022: DRY CREEK RANCH VILLAGE PHASE 3 (BROOKSIDE DEVELOPERS), Boise, IDR10C125, held by Brookside Developers, Inc.
January 10, 2022: FY24 ARTERIAL & COLLECTOR CAPITAL MAINTENANCE, Kuna, IDR10C126, held by Capital Paving Company Inc.
January 10, 2022: ITD D3 23336, Nampa, IDR10C12B, held by Idaho Transportation Dept D3
January 10, 2022: STAR RIVER RANCH NORTH SUBDIVISION NO 1, City Of Star, IDR10C12C, held by DB Development, LLC

COLT HEIGHTS SUBDIVISION among its neighbors

EPA’s permit file holds 197 discharge permits in the Mill Slough-Boise River subwatershed (HUC 170501140410), IDR10C122 among them. Its county holds 668, 5 of them major permits; IDR10C122 is a minor permit.

Other permits in the Mill Slough-Boise River subwatershed (HUC 170501140410)

1ST STREET TOWNHOMES SUBDIVISION, Star: IDR10C20H, minor permit, discharging to Boise River, permit term to February 9, 2027
2684 BEACON LIGHT IMPROVEMENT PROJECT, Eagle: IDR10C1O0, minor permit, discharging to Foothill Ditch, permit term to February 9, 2027
9335 SH-44 4 ACRE LOT, Middleton: IDR1002ZU, not classed
ACHD LINDRE: SH44 TO FLOATING FEATHER, Eagle: IDR10C1TT, minor permit, discharging to Foothill Ditch, permit term to February 9, 2027
AMBERLY RANCH SUBDIVISION, Eagle: IDR10L0FX, not classed
AMERICAN STAR SUBDIVISION NO. 2, Star: IDR1002TO, minor permit, permit term to February 15, 2022
AMERICAN STAR SUBDIVISION NO. 3, Star: IDR10C05M, minor permit, discharging to McHenry Lateral, Big Gulch Creek, permit term to February 16, 2022
ARTESIAN SPRINGS SUBDIVISION, Middleton: IDR10C1JY, minor permit, discharging to Mill Slough, permit term to February 9, 2027
ARVORY CREST SUBDIVISION PHASE 4, Star: IDR10C1YC, minor permit, discharging to McHenery Lateral, permit term to February 9, 2027
BALD EAGLE POINTE SUBDIVISION NO. 1, Eagle: IDR1002PH, minor permit, permit term to February 15, 2022

What the register holds for COLT HEIGHTS SUBDIVISION: its NPDES ID, its permit type and status, its dates, its address in City Of Star, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C122.

Identity

Facility as filed	COLT HEIGHTS SUBDIVISION
Permittee as filed	Trilogy Development, Inc.
NPDES ID	IDR10C122
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	City Of Star, ID 83669
Receiving water	Foothill Ditch
Subwatershed	Mill Slough-Boise River (HUC 170501140410)

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 IDR10C122.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C122.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C122.

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 IDR10C122.

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, IDR10C122.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

COLT HEIGHTS SUBDIVISION is among 561 storm water construction permits in Ada County on EPA's NPDES register, and 0.0% of those have a violation on file. The Mill Slough-Boise River subwatershed holds 197 NPDES permits, including this entry. Among the 451 Ada County storm water construction permits counted with this entry, 8.4% were issued earlier.