Clean Water Act discharge permit · NPDES IDR10C0BZ

LAVENDER HEIGHTS SUB (NEW), Meridian, ID: NPDES IDR10C0BZ 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

LAVENDER HEIGHTS SUB (NEW), held by Westpark Co., holds NPDES permit IDR10C0BZ, which discharges to Ten Mile Creek. EPA’s file records it issued May 5, 2022 and expiring February 9, 2027.

LAVENDER HEIGHTS SUB (NEW), Meridian, Idaho: Coverage under a general permit IDR10C0BZ, held by Westpark Co.; Construction stormwater; Effective; issued May 5, 2022, term to February 9, 2027; discharges to Ten Mile Creek.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 1,852 were issued before IDR10C0BZ. Westpark Co. holds 2 permits in Idaho.

Other permits held by Westpark Co.

OSPREY ESTATES SUB PH 1 (NEW), Nampa: IDR10C0C0, issued May 5, 2022

Coverages issued nearest IDR10C0BZ

April 25, 2022: TERRA VIEW, Eagle, IDR10C0BD, held by Terra View LLC
April 25, 2022: MONTESA SUBDIVISION 3 & 4, Payette, IDR10C0BG, held by Durham Gravel Works, Inc.
May 2, 2022: IDAHO CENTRAL CREDIT UNION-LAKE HAZEL, Boise, IDR10C0BN, held by Andersen Construction Company
May 2, 2022: CITY OF NAMPA DOG PARK 2, Nampa, IDR10C0BP, held by LaRiviere, Inc.
May 2, 2022: BLUE MOUNTAIN SUBDIVISION, Donnelly, IDR10C0BQ, held by Idaho Pacific Investments
May 5, 2022: OSPREY ESTATES SUB PH 1 (NEW), Nampa, IDR10C0C0, held by Westpark Co.
May 5, 2022: O'REILLY AUTO PARTS, Saint Anthony, IDR10C0C3, held by Hill and Son Excavating LLC
May 10, 2022: WORKLAND SUBDIVISION, Boise, IDR10C0CC, held by Panorama Construction
May 10, 2022: SEVEN MILE RANCH BEAR LAKE, Saint Charles, IDR10C0CE, held by Seven Mile Ranch Bear Lake LLC
May 10, 2022: COYOTE HOLLOW PHASE 4, Inkom, IDR10C0CI, held by Idaho Materials and Construction

LAVENDER HEIGHTS SUB (NEW) among its neighbors

EPA’s permit file holds 138 discharge permits in the Tenmile Creek subwatershed (HUC 170501140204), IDR10C0BZ among them. Its county holds 668, 5 of them major permits; IDR10C0BZ is a minor permit.

Other permits in the Tenmile Creek subwatershed (HUC 170501140204)

323004.1 - BOISE TIMBER THORNS (PHASE 1), Meridian: IDR10L09W, not classed
ACHD SOUTH EAGLE RD. & LAKE HAZEL RD. LANDSCAPE & IRRIGATION, Meridian: IDR10L0KZ, not classed
AMITY-LINER WATER LINE EXTENSION, Meridian: IDR1000WJ, not classed
APEX N.W. SUBDIVISION NO. 4, Meridian: IDR10C161, minor permit, discharging to Carlson Lateral, permit term to February 9, 2027
APEX NORTHWEST, Meridian: IDR10C0Z6, minor permit, discharging to Carlson Lateral, permit term to February 9, 2027
APEX NORTHWEST SUBDIVISION NO. 1, Meridian: IDR100314, minor permit, permit term to February 15, 2022
APEX NORTHWEST SUBDIVISION NO. 5, Meridian: IDR10C1B8, minor permit, discharging to Unnamed Irrigation Canal, permit term to February 9, 2027
APEX NORTHWEST SUBDIVISION NO. 6, Meridian: IDR10C1NE, minor permit, discharging to Carlson Lateral, permit term to February 9, 2027
APEX NORTHWEST SUBDIVISION NO. 7, Meridian: IDR10C23U, minor permit, discharging to Mcbirney Lateral, permit term to February 9, 2027
APEX PHENOMENAL SUBDIVISION, Meridian: IDR10C1NF, minor permit, discharging to Carlson Lateral, permit term to February 9, 2027

What the register holds for LAVENDER HEIGHTS SUB (NEW): its NPDES ID, its permit type and status, its dates, its address in Meridian, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C0BZ.

Identity

Facility as filed	LAVENDER HEIGHTS SUB (NEW)
Permittee as filed	Westpark Co.
NPDES ID	IDR10C0BZ
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	May 5, 2022
Expiration date	February 9, 2027
Address	Meridian, ID 83642
Receiving water	Ten Mile Creek
Subwatershed	Tenmile Creek (HUC 170501140204)

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 IDR10C0BZ.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C0BZ.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C0BZ.

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 IDR10C0BZ.

Watch this permit

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Nearby on the register

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

Of the 561 storm water construction permits in Ada County, 0.0% have a violation on file. LAVENDER HEIGHTS SUB (NEW) falls among 138 NPDES permits in the Tenmile Creek subwatershed, and 87.4% of the 451 Ada County storm water construction permits carry an earlier issue date than it.