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Clean Water Act discharge permit · NPDES ILR10ZGE9

NORTHERN OLD LAKE COUNTY STREET AND WATER IMPROVEMENTS, Buffalo Grove, IL: NPDES ILR10ZGE9 discharge permit, effluent exceedances, inspections, penalties

NORTHERN OLD LAKE COUNTY STREET AND WATER IMPROVEMENTS, held by To be Determined, holds NPDES permit ILR10ZGE9. EPA’s file records it issued December 18, 2025 and expiring August 31, 2028. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for NORTHERN OLD LAKE COUNTY STREET AND WATER IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Buffalo Grove, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZGE9.

Identity

Facility as filedNORTHERN OLD LAKE COUNTY STREET AND WATER IMPROVEMENTS
Permittee as filedTo be Determined
NPDES IDILR10ZGE9
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 18, 2025
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressBuffalo Grove, IL 60089
SubwatershedWheeling Drainage Ditch (HUC 071200040502)

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 ILR10ZGE9.

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 ILR10ZGE9.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

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, ILR10ZGE9.

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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 ILR10ZGE9 there.

Nearby on the register

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

What this page shows

Among the 20 storm water construction permits on EPA's NPDES register in Buffalo Grove, 0.0% have a violation on file, a count that includes NORTHERN OLD LAKE COUNTY STREET AND WATER IMPROVEMENTS. The Wheeling Drainage Ditch subwatershed (HUC 071200040502) holds 57 NPDES permits, including this permit. Of the 20 Buffalo Grove permits, 70.0% were issued before this permit.