Clean Water Act discharge permit · NPDES IDR10L0C0
CHALLIS WATER SYSTEM IMPROVEMENTS, Challis, ID: NPDES IDR10L0C0 discharge permit, effluent exceedances, inspections, penalties
- Not neededPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CHALLIS WATER SYSTEM IMPROVEMENTS, held by Engineered Structures Inc, holds NPDES permit IDR10L0C0.
CHALLIS WATER SYSTEM IMPROVEMENTS, Challis, Idaho: Coverage under a general permit IDR10L0C0, held by Engineered Structures Inc; Construction stormwater; Not needed.
Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file. Engineered Structures Inc holds 23 permits in Idaho.
Other permits held by Engineered Structures Inc
- MICRON B42, Boise: IDR10C0KA, issued September 29, 2022
- SOUTH GARAGE, Boise: IDR10C16O, issued January 10, 2022
- OPAL, Boise: IDR10C16Z, issued January 10, 2022
- SOUTH LAYDOWN AREA, Boise: IDR10C17M, issued January 10, 2022
- NORTH LAYDOWN YARD, Boise: IDR10C1AB, issued January 10, 2022
- MICRON ID1 ADMINISTRATIVE BUILDING, Boise: IDR10C1AC, issued January 10, 2022
- NORTH GARAGE, Boise: IDR10C1EF, issued January 10, 2022
- CWI RIVER DISTRICT, Boise: IDR10C1P1, issued January 10, 2022
- HOME2SUITES, Twin Falls: IDR10C1QP, issued January 10, 2022
- IGC WAPELLO COMPRESSOR BUILDING, Firth: IDR10C1V0, issued January 10, 2022
CHALLIS WATER SYSTEM IMPROVEMENTS among its neighbors
EPA’s permit file holds 3 discharge permits in the Garden Creek subwatershed (HUC 170602011802), IDR10L0C0 among them. Its county holds 23, 1 of them major permits; IDR10L0C0 is a permit EPA has not classed major or minor.
Other permits in the Garden Creek subwatershed (HUC 170602011802)
- 18933 GARDEN CR RD TO CHALLIS CL, Challis: IDR10C0SQ, minor permit, discharging to Tributary to Garden Creek, permit term to February 9, 2027
- CHALLIS MINE, Challis: IDR053102, minor permit, permit term to June 3, 2020
What the register holds for CHALLIS WATER SYSTEM IMPROVEMENTS: its NPDES ID, its permit type and status, its its address in Challis, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10L0C0.
Identity
| Facility as filed | CHALLIS WATER SYSTEM IMPROVEMENTS |
|---|---|
| Permittee as filed | Engineered Structures Inc |
| NPDES ID | IDR10L0C0 |
| Permit status | Not needed |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Address | Challis, ID 83226 |
| Subwatershed | Garden Creek (HUC 170602011802) |
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES IDR10L0C0.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10L0C0.
Inspections
EPA’s inspection file holds no inspection for NPDES IDR10L0C0.
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 IDR10L0C0.
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, IDR10L0C0.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.