Clean Water Act discharge permit · NPDES ILR10ZH9Q

LOCKPORT TOWNSHIP PARKING LOT PHASE 1, Lockport, IL: NPDES ILR10ZH9Q 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

LOCKPORT TOWNSHIP PARKING LOT PHASE 1, held by Lockport Township, holds NPDES permit ILR10ZH9Q. EPA’s file records it issued August 7, 2026 and expiring August 31, 2028.

LOCKPORT TOWNSHIP PARKING LOT PHASE 1, Lockport, Illinois: Coverage under a general permit ILR10ZH9Q, held by Lockport Township; Construction stormwater; Effective; issued August 7, 2026, term to August 31, 2028, by IEPA.

Illinois holds 5,215 Construction stormwater coverages of this permit type in EPA’s file; 5,044 were issued before ILR10ZH9Q.

Coverages issued nearest ILR10ZH9Q

August 6, 2026: RIVER MAPLE SOLAR II, Springfield, ILR10ZHBE, held by River Maple Solar II, LLC
August 7, 2026: LANDMARK PARK 90 ABC SUPPLY, Machesney Park, ILR10ZH1R, held by Landmark Construction Management
August 7, 2026: PIKE SOLAR 1, LLC, Newburg Township, ILR10ZH9M, held by Arch Electric, Inc
August 7, 2026: AMTRAK CANAL STREET YARD, Chicago, ILR10ZH9O, held by F.H. Paschen, S.N. Nielsen & Associates LLC
August 7, 2026: CORNERSTONE AT SETTLERS PARK, Plainfield, ILR10ZH9P, held by TBD
August 7, 2026: 87TH STREET BRIDGE REPLACEMENT OVER SPRING BROOK CREEK, Naperville, ILR10ZH9R, held by City of Naperville
August 7, 2026: RTE. 20 SELF STORAGE FACILITY, Marengo, ILR10ZH9S, held by Freedom Lane, LLC
August 8, 2026: CULVER'S OF ROCKFORD, Rockford, ILR10ZH9T, held by Campbell Construction
August 8, 2026: DUBAK ELECTRICAL GROUP CORPORATE HEADQUARTERS, Mccook, ILR10ZH9U, held by IMX Group, LLC
August 8, 2026: BLACKSTONE TRAILS SUBDIVISION 6TH ADDITION, Normal, ILR10ZH9V, held by iDEV, LLC

LOCKPORT TOWNSHIP PARKING LOT PHASE 1 among its neighbors

EPA’s permit file holds 132 discharge permits in the Maple Lake-Chicago Sanitary and Ship Canal subwatershed (HUC 071200040705), ILR10ZH9Q among them.

Other permits in the Maple Lake-Chicago Sanitary and Ship Canal subwatershed (HUC 071200040705)

151ST STREET WIDENING PROJECT, Lockport: ILR10ZC33, minor permit, permit term to August 31, 2028
2015: I-355 BRIDGE REHABILITATION OVER DES PLAINES RIVER VALLEY, Lemont: ILR10ZG4L, minor permit, permit term to August 31, 2028
2024 ROADWAY AND WATER MAIN IMPROVEMENTS, Lockport: ILR10ZDQZ, minor permit, permit term to August 31, 2028
4597: MILE LONG BRIDGE, Burr Ridge: ILR10ZBO9, minor permit, permit term to August 31, 2028
4913: I-355 EARTHWORK AND GRADING IMPROVEMENTS AT 127TH STREET, Lemont: ILR10ZDMM, minor permit, permit term to August 31, 2028
88TH/CORK AVENUE AT I-294 INTERCHANGE, Justice: ILR10ZELT, minor permit, permit term to August 31, 2028
AQUATIC NUISANCE SPECIES DISPERSAL BARRIER IIB, Romeoville: IL0079201, minor permit, discharging to CHICAGO SANITARY AND SHIP CANAL, permit term to August 31, 2020
ARCWOOD ENVIRONMENTAL, LLC, Lemont: IL0068888, minor permit, discharging to CHICAGO SANITARY AND SHIP CANAL, permit term to July 31, 2024
ARGO FACILITY/EQUILON ENTERPR, Bedford Park: ILR001072, minor permit, discharging to CHICAGO SANITARY SHIP CANAL, permit term to June 1, 2008
ARGO HIGH SCHOOL ATHLETIC FIELDS, Summit: ILR10ZH5G, minor permit, permit term to August 31, 2028

What the register holds for LOCKPORT TOWNSHIP PARKING LOT PHASE 1: its NPDES ID, its permit type and status, its dates, its address in Lockport, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZH9Q.

Identity

Facility as filed	LOCKPORT TOWNSHIP PARKING LOT PHASE 1
Permittee as filed	Lockport Township
NPDES ID	ILR10ZH9Q
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	August 7, 2026
Expiration date	August 31, 2028
Issuing agency	IEPA
Address	Lockport, IL 60441
Subwatershed	Maple Lake-Chicago Sanitary and Ship Canal (HUC 071200040705)

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 ILR10ZH9Q.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZH9Q.

Inspections

EPA’s inspection file holds no inspection for NPDES ILR10ZH9Q.

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 ILR10ZH9Q.

Watch this permit

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Nearby on the register

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

Among the 27 storm water construction permits in Lockport, 0.0% carry a violation on file. The Maple Lake-Chicago Sanitary and Ship Canal subwatershed counts 131 NPDES permits, and 92.6% of Lockport's 27 storm water permits were issued before LOCKPORT TOWNSHIP PARKING LOT PHASE 1.