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 IDR10L01Z

MIDDLETON ROAD - TRIUMPH DR VIC TO PURPLE SAGE ROAD, Middleton, ID: NPDES IDR10L01Z discharge permit, effluent exceedances, inspections, penalties

MIDDLETON ROAD - TRIUMPH DR VIC TO PURPLE SAGE ROAD, held by Canyon Highway District No. 4, holds NPDES permit IDR10L01Z. EPA’s file records it issued February 10, 2022 and expiring July 1, 2022.

MIDDLETON ROAD - TRIUMPH DR VIC TO PURPLE SAGE ROAD, Middleton, Idaho: Coverage under a general permit IDR10L01Z, held by Canyon Highway District No. 4; Construction stormwater; Not needed; issued February 10, 2022, term to July 1, 2022.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 1,783 were issued before IDR10L01Z. Canyon Highway District No. 4 holds 15 permits in Idaho.

Other permits held by Canyon Highway District No. 4

Coverages issued nearest IDR10L01Z

MIDDLETON ROAD - TRIUMPH DR VIC TO PURPLE SAGE ROAD among its neighbors

EPA’s permit file holds 197 discharge permits in the Mill Slough-Boise River subwatershed (HUC 170501140410), IDR10L01Z among them.

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

What the register holds for MIDDLETON ROAD - TRIUMPH DR VIC TO PURPLE SAGE ROAD: its NPDES ID, its permit type and status, its dates, its address in Middleton, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10L01Z.

Identity

Facility as filedMIDDLETON ROAD - TRIUMPH DR VIC TO PURPLE SAGE ROAD
Permittee as filedCanyon Highway District No. 4
NPDES IDIDR10L01Z
Permit statusNot needed
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 10, 2022
Expiration dateJuly 1, 2022
AddressMiddleton, ID 83644
SubwatershedMill Slough-Boise River (HUC 170501140410)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10L01Z.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10L01Z.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10L01Z.

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 IDR10L01Z.

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, IDR10L01Z.

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

0.0% of the 37 storm water construction permits in Middleton on EPA's NPDES register carry a violation on file. Of the 14 Middleton storm water construction permits including this permit, 92.9% were issued before it. MIDDLETON ROAD - TRIUMPH DR VIC TO PURPLE SAGE ROAD, permitted to Canyon Highway District No. 4, sits in the Mill Slough-Boise River subwatershed, which lists 197 NPDES permits including this permit.