Clean Water Act discharge permit · NPDES IDR10L0B3

HANKINS PRESSURE ZONE BOUNDARY IMPROVEMENT, Twin Falls, ID: NPDES IDR10L0B3 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

HANKINS PRESSURE ZONE BOUNDARY IMPROVEMENT, held by Extreme Excavation Inc, holds NPDES permit IDR10L0B3.

HANKINS PRESSURE ZONE BOUNDARY IMPROVEMENT, Twin Falls, Idaho: Coverage under a general permit IDR10L0B3, held by Extreme Excavation Inc; Construction stormwater; Not needed.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file. Extreme Excavation Inc holds 9 permits in Idaho.

Other permits held by Extreme Excavation Inc

HEYBURN SCHOOLS SR2S, Heyburn: IDR100181
ERF-082 FRONTIER ROAD PROJECT, Twin Falls: IDR1001AW
FILER LAGOONS, Filer: IDR1001NG
MILLCREEK SUBDIVISION, Kimberly: IDR1001Y2
MILNER IRRIGATION PIPELINE REPLACEMENT, Murtaugh: IDR100270
HARRISON ST SCHOOL SIDEWALKS PROJECT, Twin Falls: IDR1002MX
TWIN FALLS SCHOOLS SIDEWALKS PROJECT GRANDVIEW DR, Twin Falls: IDR1002MY
CITY OF RUPERT - BARE BEANS LIFT STATION, Rupert: IDR1002U4

HANKINS PRESSURE ZONE BOUNDARY IMPROVEMENT among its neighbors

EPA’s permit file holds 95 discharge permits in the City of Twin Falls subwatershed (HUC 170402120503), IDR10L0B3 among them. Its county holds 108, 1 of them major permits; IDR10L0B3 is a permit EPA has not classed major or minor.

Other permits in the City of Twin Falls subwatershed (HUC 170402120503)

2020 LOCUST PAVING PROJECT, Twin Falls: IDR1002N6, not classed
2020 LOCUST PAVING PROJECT, Twin Falls: IDR1002NB, not classed
21005 2ND & HANSEN, Twin Falls: IDR10C0EW, minor permit, discharging to Rock Creek, permit term to February 9, 2027
ADM SEEDWEST, Twin Falls: IDR10L009, not classed, permit term to September 6, 2021
ALDER APARTMENTS PH 1, Twin Falls: IDR10C0YD, minor permit, discharging to Perrine Coulee, permit term to February 9, 2027
APEX WAREHOUSE, Twin Falls: IDR10C0K9, minor permit, discharging to Perrine Coulee, permit term to February 9, 2027
BASE CAMP CONVENIENCE STORE, Twin Falls: IDR10L08W, not classed, permit term to March 15, 2024
BIG D CONSTRUCTION, Twin Falls: IDR10B083, not classed, discharging to ROAD DITCH TO SNAKE RIVER
CALIBER COLLISION, Twin Falls: IDR10C0AR, minor permit, discharging to Snake River, permit term to February 9, 2027
CANYON GLEN SUBDIVISION, Kimberly: IDR10C22J, minor permit, discharging to Irrigation Canal, permit term to February 9, 2027

What the register holds for HANKINS PRESSURE ZONE BOUNDARY IMPROVEMENT: its NPDES ID, its permit type and status, its its address in Twin Falls, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10L0B3.

Identity

Facility as filed	HANKINS PRESSURE ZONE BOUNDARY IMPROVEMENT
Permittee as filed	Extreme Excavation Inc
NPDES ID	IDR10L0B3
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	Twin Falls, ID 83301
Subwatershed	City of Twin Falls (HUC 170402120503)

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 IDR10L0B3.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10L0B3.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10L0B3.

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 IDR10L0B3.

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, IDR10L0B3.

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Nearby on the register

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

Of Twin Falls County's 59 storm water construction permits, 0.0% have a violation on file, and HANKINS PRESSURE ZONE BOUNDARY IMPROVEMENT is included in that count. The City of Twin Falls subwatershed holds 95 NPDES permits, with the coverage filed by Extreme Excavation Inc among them.