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Clean Water Act discharge permit · NPDES IDR10C22R

ITD D4 KN 21951 - 3250 N TO 3800 N, Twin Falls, ID: NPDES IDR10C22R discharge permit, effluent exceedances, inspections, penalties

ITD D4 KN 21951 - 3250 N TO 3800 N, held by Idaho Transportation Department, holds NPDES permit IDR10C22R, which discharges to High Line Canal. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for ITD D4 KN 21951 - 3250 N TO 3800 N: its NPDES ID, its permit type and status, its dates, its address in Twin Falls, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C22R.

Identity

Facility as filedITD D4 KN 21951 - 3250 N TO 3800 N
Permittee as filedIdaho Transportation Department
NPDES IDIDR10C22R
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
AddressTwin Falls, ID 83301
Receiving waterHigh Line Canal
SubwatershedOutlet Rock Creek (HUC 170402120608)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10C22R.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C22R.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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, IDR10C22R.

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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

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IDR10C22R there.

Nearby on the register

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

What this page shows

Of the 59 storm water construction permits in Twin Falls County, 0.0% have a violation on file. ITD D4 KN 21951 - 3250 N TO 3800 N sits in the Outlet Rock Creek subwatershed, which counts 22 NPDES permits including this permit.