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Clean Water Act discharge permit · NPDES IDR10036M

LOWER TWIN LAKES SUBDIVISION, Twin Lakes, ID: NPDES IDR10036M discharge permit, effluent exceedances, inspections, penalties

LOWER TWIN LAKES SUBDIVISION, held by Simco Development Group, holds NPDES permit IDR10036M. EPA’s file records it issued June 11, 2021 and expiring February 15, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for LOWER TWIN LAKES SUBDIVISION: its NPDES ID, its permit type and status, its dates, its address in Twin Lakes, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10036M.

Identity

Facility as filedLOWER TWIN LAKES SUBDIVISION
Permittee as filedSimco Development Group
NPDES IDIDR10036M
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 11, 2021
Expiration dateFebruary 15, 2022
Issuing agencyU.S. EPA
AddressTwin Lakes, ID 83858
SubwatershedRathdrum Creek (HUC 170103050302)

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 IDR10036M.

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 IDR10036M.

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, IDR10036M.

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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 IDR10036M there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

LOWER TWIN LAKES SUBDIVISION sits among 1 storm water construction permit on EPA's NPDES register in Twin Lakes, this one included. LOWER TWIN LAKES SUBDIVISION is the 1 NPDES permit counted in the Rathdrum Creek subwatershed.