Clean Water Act discharge permit · NPDES IDR10C0WZ

KINGSTOWN SUBDIVISION - PHASE 1, Meridian, ID: NPDES IDR10C0WZ discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

KINGSTOWN SUBDIVISION - PHASE 1, held by Maddyn Homes, LLC, holds NPDES permit IDR10C0WZ, which discharges to North Slough. EPA’s file records it issued January 10, 2022 and expiring February 9, 2027.

KINGSTOWN SUBDIVISION - PHASE 1, Meridian, Idaho: Coverage under a general permit IDR10C0WZ, held by Maddyn Homes, LLC; Construction stormwater; Effective; issued January 10, 2022, term to February 9, 2027; discharges to North Slough.

Idaho holds 3,630 Construction stormwater coverages of this permit type in EPA’s file; 576 were issued before IDR10C0WZ. Maddyn Homes, LLC holds 2 permits in Idaho.

Other permits held by Maddyn Homes, LLC

HOLLYHOCK, Eagle: IDR10C028, issued October 15, 2021

Coverages issued nearest IDR10C0WZ

January 10, 2022: WOODS AT PRIEST LAKE, Nordman, IDR10C0WO, held by Selland Construction, Inc
January 10, 2022: KNWR WESTSIDE RESTORATION PROJECT - RDG, Bonners Ferry, IDR10C0WP, held by Matt Daniels
January 10, 2022: I-84, SIMCO ROAD INTERCHANGE, ELMORE COUNTY, Mountain Home, IDR10C0WS, held by Idaho Transportation Department D3
January 10, 2022: RIVERSIDE ROAD, Bonners Ferry, IDR10C0WW, held by Federal Highway Administration-Western Federal Highway Land Division
January 10, 2022: THE LARKSPUR, Victor, IDR10C0WY, held by Headwaters Construction Company
January 10, 2022: LEWISTON HIGH SCHOOL SPORTS FIELDS, Lewiston, IDR10C0X2, held by Kenaston Corporation
January 10, 2022: RANCH IMPROVEMENTS, Banks, IDR10C0X3, held by Conscious LLC
January 10, 2022: RANCH IMPROVEMENTS (LAYTON), Banks, IDR10C0X4, held by Layton Construction
January 10, 2022: HIDDEN MILL, Middleton, IDR10C0X5, held by Michelle Ames
January 10, 2022: US-20 EXIT 343 INTERCHANGE, Saint Anthony, IDR10C0X8, held by Idaho Transportation Department

KINGSTOWN SUBDIVISION - PHASE 1 among its neighbors

EPA’s permit file holds 141 discharge permits in the South Slough-Boise River subwatershed (HUC 170501140405), IDR10C0WZ among them. Its county holds 668, 5 of them major permits; IDR10C0WZ is a minor permit.

Other permits in the South Slough-Boise River subwatershed (HUC 170501140405)

2ND SPACE STORAGE, Meridian: IDR10C1G9, minor permit, discharging to South Slough, permit term to February 9, 2027
4120 N. LINDER RD. COMMERCIAL, Meridian: IDR10035O, minor permit, permit term to February 15, 2022
55 RESORT AT VERANO PLACE, Meridian: IDR10C06V, minor permit, discharging to ACHD Ponds 386, 387, 388, permit term to February 16, 2022
ACHD CT226-07: LIBERTY ST: DOUGLAS ST. TO DENTON ST., Boise: IDR10C1VT, minor permit, discharging to Rust Lateral, permit term to February 9, 2027
ADDISON CIRCLE SUBDIVSION, Meridian: IDR10C1R9, minor permit, discharging to Unknown irrigation ditch. I asked DEQ if this is, permit term to February 9, 2027
ADERO PARK SUBDIVISION NO 2, Meridian: IDR10C1UM, minor permit, discharging to McMillian Lateral, permit term to February 9, 2027
ADERO PARK SUBDIVISION NO 2, Meridian: IDR10C1UN, minor permit, discharging to McMillian Lateral, permit term to February 9, 2027
ALICIA COURT SUBDIVISION, Meridian: IDR10024C, not classed
ALPINE ST, ORCHARD ST TO RANDALL ST, Boise: IDR100071, not classed
AMBLESIDE SUBDIVISION NO 1, Boise: IDR100376, not classed

What the register holds for KINGSTOWN SUBDIVISION - PHASE 1: its NPDES ID, its permit type and status, its dates, its address in Meridian, Idaho, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES IDR10C0WZ.

Identity

Facility as filed	KINGSTOWN SUBDIVISION - PHASE 1
Permittee as filed	Maddyn Homes, LLC
NPDES ID	IDR10C0WZ
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	January 10, 2022
Expiration date	February 9, 2027
Address	Meridian, ID 83646
Receiving water	North Slough
Subwatershed	South Slough-Boise River (HUC 170501140405)

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 IDR10C0WZ.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IDR10C0WZ.

Inspections

EPA’s inspection file holds no inspection for NPDES IDR10C0WZ.

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 IDR10C0WZ.

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, IDR10C0WZ.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

Of the 561 storm water construction permits in Ada County, including this permit, 0.0% have a violation on file, and KINGSTOWN SUBDIVISION - PHASE 1 is among them. Among the 451 storm water construction permits in Ada County, including this permit, 8.4% were issued before this permit. The South Slough-Boise River subwatershed lists 141 NPDES permits, including this permit.