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Clean Water Act discharge permit · NPDES IDG370807

SANDRA DILWORTH - SUCTION DREDGE, ID: NPDES IDG370807 discharge permit, effluent exceedances, inspections, penalties

SANDRA DILWORTH - SUCTION DREDGE, held by Sandra Dilworth, holds NPDES permit IDG370807, which discharges to Orogrande Creek. EPA’s file records it issued May 24, 2024 and expiring October 31, 2026. 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.

Identity

Facility as filedSANDRA DILWORTH - SUCTION DREDGE
Permittee as filedSandra Dilworth
NPDES IDIDG370807
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 24, 2024
Expiration dateOctober 31, 2026
AddressID
Receiving waterOrogrande Creek
SubwatershedFlint Creek-Jordan Creek (HUC 170501080303)

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 IDG370807.

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 IDG370807.

Inspections

DateWhat EPA recordedAgency
August 5, 2026EvaluationS

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 IDG370807.

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

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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 IDG370807 there.

SANDRA DILWORTH - SUCTION DREDGE, Idaho: Coverage under a general permit IDG370807, held by Sandra Dilworth; Effective; issued May 24, 2024, term to October 31, 2026; discharges to Orogrande Creek.

  • August 5, 2026: Evaluation (S).

Other permits held by Sandra Dilworth

SANDRA DILWORTH - SUCTION DREDGE among its neighbors

EPA’s permit file holds 6 discharge permits in the Flint Creek-Jordan Creek subwatershed (HUC 170501080303), IDG370807 among them. Its county holds 23, 1 of them major permits; IDG370807 is a minor permit.

Other permits in the Flint Creek-Jordan Creek subwatershed (HUC 170501080303)

Nearby on the register

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

What this page shows

Within Custer County's 13 general permit coverages, 23.1% carry a violation on file. SANDRA DILWORTH - SUCTION DREDGE is counted among the 6 NPDES permits in the Flint Creek-Jordan Creek subwatershed. Custer County records 13 general permit coverages on EPA's NPDES register, counting this permit.