Clean Water Act discharge permit · NPDES IDR10L0AA

MERIDIAN STORMWATER MITIGATION, Meridian, ID: NPDES IDR10L0AA 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

MERIDIAN STORMWATER MITIGATION, held by Ada County Highway District, holds NPDES permit IDR10L0AA.

MERIDIAN STORMWATER MITIGATION, Meridian, Idaho: Coverage under a general permit IDR10L0AA, held by Ada County Highway District; Construction stormwater; Not needed.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file. Ada County Highway District holds 36 permits in Idaho.

Other permits held by Ada County Highway District

W 4TH STREET, BROADWAY AVE TO MAPLE AVE, Meridian: IDR100011
CAMERON @ FAIRFIELD PEDESTRIAN IMPROVEMENTS PROJECTS, Boise: IDR10009W
ALPINE ST, ORCHARD ST TO RANDALL ST, Boise: IDR10009X
PLAZA DRIVE EXPANSION, Eagle: IDR1000AF
JEFFERSON ST. AND MADISON ST FROM WHITEWATER PARK TO 27TH ST, Boise: IDR1000G7
W CAMAS ST PEDESTRIAN IMPROVEMENTS, Boise: IDR1000G8
EMERALD ST. & AMERICANA BLVD. IMPROVEMENTS, Boise: IDR1000Y1
ORCHARD ST. INTERIM TRAFFIC IMPROVEMENTS, Boise: IDR10012E
2018 RESIDENTIAL CAPITAL MAINTENANCE, Boise: IDR100138
2018 ROADWAY AND PEDESTRIAN IMPROVMENTS, Boise: IDR100146

MERIDIAN STORMWATER MITIGATION among its neighbors

EPA’s permit file holds 179 discharge permits in the Fifteen Mile Creek subwatershed (HUC 170501140205), IDR10L0AA among them. Its county holds 668, 5 of them major permits; IDR10L0AA is a permit EPA has not classed major or minor.

Other permits in the Fifteen Mile Creek subwatershed (HUC 170501140205)

1250 EAST KALISPELL ST., Meridian: IDR1002BE, not classed
1475 E FRANKLIN RD, Caldwell: IDR10C0FP, minor permit, discharging to Fivemile Creek, permit term to February 9, 2027
263 MIDLAND PIT, Calwell: IDR05J007, minor permit, permit term to June 3, 2020
2975 E FRANKLIN ROAD, Meridian: IDR10L0AN, not classed
A NEW MULTI-TENANT OFFICE BUILDING FOR SUNDANCE INVESTMENTS LLLP, Meridian: IDR1001PB, not classed
ABRACADABRA SUBDIVISION NO. 2, Boise: IDR10C1TE, minor permit, discharging to Settlers Canal, permit term to February 9, 2027
ABS SUNDRIES PARKING EXPANSION, Meridian: IDR1002A6, not classed
ADA COUNTY CORONER'S FACILITY, Meridian: IDR10C07O, minor permit, discharging to Unnamed Flume, permit term to February 9, 2027
ADA COUNTY CORONER'S OFFICE, Meridian: IDR10C06Q, minor permit, discharging to Eightmile Creek, permit term to February 16, 2022
ADVANCED HEATING AND COOLING, Meridian: IDR10C043, minor permit, discharging to Fivemile Creek, permit term to February 16, 2022

What the register holds for MERIDIAN STORMWATER MITIGATION: its NPDES ID, its permit type and status, its its address in Meridian, Idaho. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10L0AA.

Identity

Facility as filed	MERIDIAN STORMWATER MITIGATION
Permittee as filed	Ada County Highway District
NPDES ID	IDR10L0AA
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	Meridian, ID 83642
Receiving water impaired	303(D) Listed
Subwatershed	Fifteen Mile Creek (HUC 170501140205)

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 IDR10L0AA.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10L0AA.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10L0AA.

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 IDR10L0AA.

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, IDR10L0AA.

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Nearby on the register

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

Of the 561 construction stormwater discharge permits in Ada County, 0.0% carry a violation on record. MERIDIAN STORMWATER MITIGATION sits in the Fifteen Mile Creek subwatershed (HUC 170501140205), which holds 179 discharge permits, including this permit.