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Clean Water Act discharge permit · NPDES ILR10ZF9H

DEKALB COUNTY HISTORY CENTER, Sycamore, IL: NPDES ILR10ZF9H discharge permit, effluent exceedances, inspections, penalties

DEKALB COUNTY HISTORY CENTER, held by DeKalb County History Center, holds NPDES permit ILR10ZF9H. EPA’s file records it issued March 21, 2025 and expiring August 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for DEKALB COUNTY HISTORY CENTER: 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 ILR10ZF9H.

Identity

Facility as filedDEKALB COUNTY HISTORY CENTER
Permittee as filedDeKalb County History Center
NPDES IDILR10ZF9H
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 21, 2025
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressSycamore, IL 60178
SubwatershedEast Branch Kishwaukee River (HUC 070900060504)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILR10ZF9H.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILR10ZF9H.

Inspections

EPA’s inspection file holds no inspection for NPDES ILR10ZF9H.

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 ILR10ZF9H.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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, ILR10ZF9H.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID ILR10ZF9H there.

DEKALB COUNTY HISTORY CENTER, Sycamore, Illinois: Coverage under a general permit ILR10ZF9H, held by DeKalb County History Center; Construction stormwater; Effective; issued March 21, 2025, term to August 31, 2028, by IEPA.

Illinois holds 5,215 Construction stormwater coverages of this permit type in EPA’s file; 2,677 were issued before ILR10ZF9H.

Coverages issued nearest ILR10ZF9H

DEKALB COUNTY HISTORY CENTER among its neighbors

29 discharge permits are in the East Branch Kishwaukee River subwatershed (HUC 070900060504); ILR10ZF9H is one.

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

Nearby on the register

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

What this page shows

DEKALB COUNTY HISTORY CENTER, held by DeKalb County History Center, sits among 17 storm water construction permits in Sycamore, and 0.0% of those carry a violation on file. 64.7% of the Sycamore permits were issued before this permit. The East Branch Kishwaukee River subwatershed holds 29 NPDES permits including this permit, and the permit lists 0 pollutants under a numeric limit.