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Clean Water Act discharge permit · NPDES IDR10I044

CHATCOLET IMPROVEMENT PROJECT, Plummer, ID: NPDES IDR10I044 discharge permit, effluent exceedances, inspections, penalties

CHATCOLET IMPROVEMENT PROJECT, held by YOY Inc., holds NPDES permit IDR10I044. EPA’s file records it issued June 30, 2025 and expiring February 16, 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 CHATCOLET IMPROVEMENT PROJECT: its NPDES ID, its permit type and status, its dates, its address in Plummer, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10I044.

Identity

Facility as filedCHATCOLET IMPROVEMENT PROJECT
Permittee as filedYOY Inc.
NPDES IDIDR10I044
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 30, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressPlummer, ID 83851
SubwatershedPedee Creek-St Joe River (HUC 170103041104)

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 IDR10I044.

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 IDR10I044.

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, IDR10I044.

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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 IDR10I044 there.

Nearby on the register

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

What this page shows

Of the 5 storm water construction permits in Plummer, 0.0% have a violation on file. The Pedee Creek-St Joe River subwatershed holds 12 NPDES permits, including this permit held by YOY Inc. Plummer has 5 storm water construction permits on the register, and the CHATCOLET IMPROVEMENT PROJECT permit was issued June 30, 2025.