Clean Water Act discharge permit · NPDES IDR10C12W

HIGHGARDEN ESTATES (OWNER), Caldwell, ID: NPDES IDR10C12W 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

HIGHGARDEN ESTATES (OWNER), held by Highgarden, LLC, holds NPDES permit IDR10C12W, which discharges to Indian Creek. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

HIGHGARDEN ESTATES (OWNER), Caldwell, Idaho: Coverage under a general permit IDR10C12W, held by Highgarden, LLC; Construction stormwater; Effective; issued January 10, 2022, term to February 9, 2027; discharges to Indian Creek.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 576 were issued before IDR10C12W.

Coverages issued nearest IDR10C12W

January 10, 2022: WILD HORSE PARK, Mountain Home, IDR10C12P, held by Compliance Solutions & Contracting
January 10, 2022: SUGAR MILL, Sugar City, IDR10C12Q, held by Brian Edstrom
January 10, 2022: CITY OF BOISE FIRE STATION 13, Boise, IDR10C12R, held by Core Construction
January 10, 2022: KINGHORN PLACE SUBDIVISION NO. 3, Nampa, IDR10C12S, held by Trilogy Development, Inc.
January 10, 2022: BEACHES CORNER, Idaho Falls, IDR10C12V, held by Knife River Corporation - Mountain West
January 10, 2022: ITD D4 KN 19943 - US-93, 300 SOUTH ROAD, Jerome, IDR10C12Y, held by Idaho Transportation Department, District 4
January 10, 2022: ITD D4 KN 23344 � I-84, BURLEY IC, MINIDOKA CO., Heyburn, IDR10C12Z, held by Wadsworth Brothers Construction
January 10, 2022: EAST RIVER ESTATES, Idaho Falls, IDR10C132, held by Rocky Mountain Land Holdings, LLC
January 10, 2022: I-84 HEYBURN IC, Heyburn, IDR10C133, held by Sundt Construction, Inc.
January 10, 2022: SPRING HOLLOW RANCH SUBDIVISION NO. 3, Nampa, IDR10C134, held by Trilogy Development, Inc.

HIGHGARDEN ESTATES (OWNER) among its neighbors

EPA’s permit file holds 358 discharge permits in the Lower Indian Creek subwatershed (HUC 170501140507), IDR10C12W among them. Its county holds 377, 2 of them major permits; IDR10C12W is a minor permit.

Other permits in the Lower Indian Creek subwatershed (HUC 170501140507)

11TH AVE S 2-WAY CONVERSION CITY OF NAMPA, Nampa: IDR10L0LN, not classed
11TH AVE S TWO-WAY CONVERSION, Nampa: IDR10L0LO, not classed
12TH-15TH 2ND-7TH ST. SOUTH WATERLINES REPLACEMENT, Nampa: IDR10C27N, minor permit, discharging to Indian creek, permit term to February 9, 2027
1908 SUNNY RIDGE, Nampa: IDR1001JD, not classed
1ST ST. & ROOSEVELT AVE. WATERLINE, Nampa: IDR1000GJ, not classed
2025 ARTERIAL & COLLECTOR CAPITAL MAINTENANCE, Kuna: IDR10C1UW, minor permit, discharging to State Lateral, permit term to February 9, 2027
203 AND 212 1ST AVE., Nampa: IDR10L0J9, not classed
21ST AVENUE MARRIOTT, Caldwell: IDR10C1IN, minor permit, discharging to Wilson Drain, permit term to February 9, 2027
24229 MIDDLETON RD, SH 55 TO FLAMINGO AVE, Nampa: IDR10L0LR, not classed
6TH STREET MULTI-PLEXES, Nampa: IDR1001D8, not classed

What the register holds for HIGHGARDEN ESTATES (OWNER): its NPDES ID, its permit type and status, its dates, its address in Caldwell, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C12W.

Identity

Facility as filed	HIGHGARDEN ESTATES (OWNER)
Permittee as filed	Highgarden, LLC
NPDES ID	IDR10C12W
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	Caldwell, ID 83607
Receiving water	Indian Creek
Subwatershed	Lower Indian Creek (HUC 170501140507)

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 IDR10C12W.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C12W.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C12W.

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 IDR10C12W.

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, IDR10C12W.

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Nearby on the register

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

Of the 308 storm water construction permits in Canyon County, 0.0% have a violation on file, and HIGHGARDEN ESTATES (OWNER) is among them. The Lower Indian Creek subwatershed (HUC 170501140507) lists 358 NPDES permits.