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Clean Water Act discharge permit · NPDES IDR10AR17

IDAHO TRANSPORTATION DEPARTMENT (ITD), Twin Falls, ID: NPDES IDR10AR17 discharge permit, effluent exceedances, inspections, penalties

IDAHO TRANSPORTATION DEPARTMENT (ITD) holds NPDES permit IDR10AR17, which discharges to R1 Coulee, Perrine Coulee, Snake River. 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 IDAHO TRANSPORTATION DEPARTMENT (ITD): its NPDES ID, its permit type and status, its 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 IDR10AR17.

Identity

Facility as filedIDAHO TRANSPORTATION DEPARTMENT (ITD)
Permittee as filedIDAHO TRANSPORTATION DEPARTMENT (ITD)
NPDES IDIDR10AR17
Permit statusPending
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
Issuing agencyU.S. EPA, REGION 10
AddressTwin Falls, ID 83301
Receiving waterR1 COULEE, PERRINE COULEE, SNAKE RIVER
SubwatershedCity of Twin Falls (HUC 170402120503)

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 IDR10AR17.

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 IDR10AR17.

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, IDR10AR17.

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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 IDR10AR17 there.

Nearby on the register

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

What this page shows

The IDAHO TRANSPORTATION DEPARTMENT (ITD) permit IDR10AR17 is one of 59 storm water construction permits on EPA's NPDES register in Twin Falls County, and 0.0% of those permits have a violation on file. It also sits within the City of Twin Falls subwatershed, which holds 95 NPDES permits including this one. This permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.