Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES IDR10C21C

ARROWROCK FARM SUBDIVISION NO 1 (CHALLENGER), Caldwell, ID: NPDES IDR10C21C discharge permit, effluent exceedances, inspections, penalties

ARROWROCK FARM SUBDIVISION NO 1 (CHALLENGER), held by Challenger Development, Inc., holds NPDES permit IDR10C21C, which discharges to Phyllis Canal. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

ARROWROCK FARM SUBDIVISION NO 1 (CHALLENGER), Caldwell, Idaho: Coverage under a general permit IDR10C21C, held by Challenger Development, Inc.; Construction stormwater; Effective; issued January 10, 2022, term to February 9, 2027; discharges to Phyllis Canal; New Single-Family Housing Construction [except For-Sale Builders].

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 576 were issued before IDR10C21C. Challenger Development, Inc. holds 126 permits in Idaho.

Other permits held by Challenger Development, Inc.

Coverages issued nearest IDR10C21C

ARROWROCK FARM SUBDIVISION NO 1 (CHALLENGER) among its neighbors

EPA’s permit file holds 62 discharge permits in the Dixie Slough subwatershed (HUC 170501140802), IDR10C21C among them. Its county holds 377, 2 of them major permits; IDR10C21C is a minor permit.

Other permits in the Dixie Slough subwatershed (HUC 170501140802)

What the register holds for ARROWROCK FARM SUBDIVISION NO 1 (CHALLENGER): 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 IDR10C21C.

Identity

Facility as filedARROWROCK FARM SUBDIVISION NO 1 (CHALLENGER)
Permittee as filedChallenger Development, Inc.
NPDES IDIDR10C21C
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJanuary 10, 2022
Expiration dateFebruary 9, 2027
AddressCaldwell, ID 83607
Receiving waterPhyllis Canal
SubwatershedDixie Slough (HUC 170501140802)
NAICS236115 – New Single-Family Housing Construction [except For-Sale Builders]
SIC1521 – Single-Family Housing Construction

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10C21C.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C21C.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C21C.

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 IDR10C21C.

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, IDR10C21C.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

Nearby on the register

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

What this page shows

ARROWROCK FARM SUBDIVISION NO 1 (CHALLENGER) appears in a Canyon County group of 308 storm water construction permits, with 0.0% having a violation on file. Canyon County's 269 storm water construction permits, counting this permit, include 10.0% issued earlier than this permit. The Dixie Slough subwatershed (HUC 170501140802) holds 62 NPDES permits, including this permit.