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Clean Water Act discharge permit · NPDES ILR10ZE4C

OLD MILL PARK NORTH, Sycamore, IL: NPDES ILR10ZE4C discharge permit, effluent exceedances, inspections, penalties

OLD MILL PARK NORTH, held by Old Mill Park LLC, holds NPDES permit ILR10ZE4C. EPA’s file records it issued June 11, 2024 and expiring August 31, 2028.

OLD MILL PARK NORTH, Sycamore, Illinois: Coverage under a general permit ILR10ZE4C, held by Old Mill Park LLC; Construction stormwater; Effective; issued June 11, 2024, term to August 31, 2028, by IEPA.

Illinois holds 5,215 Construction stormwater coverages of this permit type in EPA’s file; 1,703 were issued before ILR10ZE4C.

Coverages issued nearest ILR10ZE4C

OLD MILL PARK NORTH among its neighbors

EPA’s permit file holds 29 discharge permits in the East Branch Kishwaukee River subwatershed (HUC 070900060504), ILR10ZE4C among them.

Other permits in the East Branch Kishwaukee River subwatershed (HUC 070900060504)

What the register holds for OLD MILL PARK NORTH: its NPDES ID, its permit type and status, its dates, its address in Sycamore, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZE4C.

Identity

Facility as filedOLD MILL PARK NORTH
Permittee as filedOld Mill Park LLC
NPDES IDILR10ZE4C
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 11, 2024
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressSycamore, IL 61078
Receiving water impaired303(D) Listed
SubwatershedEast Branch Kishwaukee River (HUC 070900060504)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZE4C.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZE4C.

Inspections

EPA’s inspection file holds no inspection for NPDES ILR10ZE4C.

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 ILR10ZE4C.

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, ILR10ZE4C.

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  • One watershed — $2,990/year
  • One state — $4,990/year
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Nearby on the register

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

What this page shows

OLD MILL PARK NORTH is among 17 storm water construction permits in Sycamore, and 0.0% of those have a violation on record. Of that Sycamore group, 23.5% were issued before this permit. The East Branch Kishwaukee River subwatershed holds 29 NPDES permits, including this permit.