Clean Water Act discharge permit · NPDES IDR10C1NO

KINGHORN PLACE SUBDIVISION NO. 4 (CHALLENGER), Nampa, ID: NPDES IDR10C1NO 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

KINGHORN PLACE SUBDIVISION NO. 4 (CHALLENGER), held by Challenger Development, Inc., holds NPDES permit IDR10C1NO, which discharges to Mason Creek. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

KINGHORN PLACE SUBDIVISION NO. 4 (CHALLENGER), Nampa, Idaho: Coverage under a general permit IDR10C1NO, held by Challenger Development, Inc.; Construction stormwater; Effective; issued January 10, 2022, term to February 9, 2027; discharges to Mason Creek.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 576 were issued before IDR10C1NO. Challenger Development, Inc. holds 126 permits in Idaho.

Other permits held by Challenger Development, Inc.

BARNWOOD SUBDIVISION NO. 1, Boise: IDR1000Z6, issued March 9, 2018
BARAYA APARTMENTS SUBDIVISION, Meridian: IDR1001E3, issued September 25, 2018
BROOKDALE ESTATES SUBDIVISION NO. 6 & 7, Namapa: IDR1001IH, issued November 30, 2018
BARAYA SUBDIVISION NO. 3 & 4, Meridian: IDR1001LO, issued February 12, 2019
ARBOR RIDGE SUBDIVISION NO. 6, Kuna: IDR1001MY, issued February 26, 2019
CEDAR CROSSING SUBDIVISION NO. 4, Caldwell: IDR1001P1, issued March 25, 2019
MERIWETHER PARK SUBDIVISION NO. 3, Nampa: IDR1001PE, issued March 28, 2019
FALCON VALLEY SUBDIVISION NO. 6, Middleton: IDR1001PM, issued March 28, 2019
MEMORY RANCH SUBDIVISION NO. 3, Meridian: IDR1001RY, issued April 26, 2019
DOVER PLACE SUBDIVISION NO. 1 & 2, Caldwell: IDR1001TR, issued May 15, 2019

Coverages issued nearest IDR10C1NO

January 10, 2022: VERBENA RANCH, Caldwell, IDR10C1NI, held by Toll Bros., Inc.
January 10, 2022: HUNTINGTON RIDGE EAST SUBDIVISION NO. 3-6, Caldwell, IDR10C1NK, held by Hayden Homes Idaho, LLC
January 10, 2022: AERMOTOR COVE SUBDIVISION, Meridian, IDR10C1NL, held by Magellan Development
January 10, 2022: BAKER PARK SUBDIVISION NO. 2 (CHALLENGER), Nampa, IDR10C1NM, held by Challenger Development, Inc.
January 10, 2022: ITD 20681 S FK PAYETTE BR (LOWMAN), Lowman, IDR10C1NN, held by Idaho Transportation Dept D3
January 10, 2022: CITY OF NAMPA USTICK CORRIDOR, Nampa, IDR10C1NP, held by City of Nampa
January 10, 2022: SHERMAN PARK, Victor, IDR10C1NS, held by Headwaters Construction
January 10, 2022: I15 W BLACKFOOT IC TO RIVERSIDE CANAL SBL (ITD, DISTRICT 5), Blackfoot, IDR10C1NT, held by Idaho Transportation Department
January 10, 2022: I15 W BLACKFOOT IC TO RIVERSIDE CANAL SBL, Blackfoot, IDR10C1NU, held by Western Construction, Inc.
January 10, 2022: KINGHORN PLACE SUBDIVISION NO. 4, Nampa, IDR10C1NV, held by Trilogy Development, Inc.

KINGHORN PLACE SUBDIVISION NO. 4 (CHALLENGER) among its neighbors

EPA’s permit file holds 360 discharge permits in the Mason Creek subwatershed (HUC 170501140407), IDR10C1NO 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 KINGHORN PLACE SUBDIVISION NO. 4 (CHALLENGER): 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 IDR10C1NO.

Identity

Facility as filed	KINGHORN PLACE SUBDIVISION NO. 4 (CHALLENGER)
Permittee as filed	Challenger Development, Inc.
NPDES ID	IDR10C1NO
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	Mason Creek
Receiving water impaired	303(D) Listed
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 IDR10C1NO.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C1NO.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C1NO.

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 IDR10C1NO.

Watch this permit

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Nearby on the register

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

Of the 208 storm water construction permits in Nampa, 0.0% have a violation on record. The Mason Creek subwatershed holds 360 NPDES permits, a group that includes KINGHORN PLACE SUBDIVISION NO. 4 (CHALLENGER).