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 IDR10C24Z

MILESTONE RANCH SOUTH SUBDIVISION, Star, ID: NPDES IDR10C24Z discharge permit, effluent exceedances, inspections, penalties

MILESTONE RANCH SOUTH SUBDIVISION, held by Toll Bros, Inc, holds NPDES permit IDR10C24Z, which discharges to Foothill Ditch. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

MILESTONE RANCH SOUTH SUBDIVISION, Star, Idaho: Coverage under a general permit IDR10C24Z, held by Toll Bros, 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 IDR10C24Z. Toll Bros, Inc holds 8 permits in Idaho.

Other permits held by Toll Bros, Inc

Coverages issued nearest IDR10C24Z

MILESTONE RANCH SOUTH SUBDIVISION among its neighbors

EPA’s permit file holds 197 discharge permits in the Mill Slough-Boise River subwatershed (HUC 170501140410), IDR10C24Z among them. Its county holds 668, 5 of them major permits; IDR10C24Z is a minor permit.

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

What the register holds for MILESTONE RANCH SOUTH SUBDIVISION: its NPDES ID, its permit type and status, its dates, its address in Star, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C24Z.

Identity

Facility as filedMILESTONE RANCH SOUTH SUBDIVISION
Permittee as filedToll Bros, Inc
NPDES IDIDR10C24Z
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
AddressStar, ID 83669
Receiving waterFoothill Ditch
SubwatershedMill Slough-Boise River (HUC 170501140410)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10C24Z.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C24Z.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C24Z.

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 IDR10C24Z.

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, IDR10C24Z.

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 September 15, 2026.

What this page shows

Of the 561 storm water construction permits in Ada County, 0.0% carry a recorded violation, and MILESTONE RANCH SOUTH SUBDIVISION in Star, held by Toll Bros, Inc, is among them. The Mill Slough-Boise River subwatershed holds 197 NPDES permits, counting this permit. Among all 451 storm water construction permits in Ada County, 8.4% were issued before this permit.