Velarion Records

Clean Water Act discharge permit · NPDES ILR10ZEMT

OAK CREST BRIDGE REPLACEMENT, Springfield, IL: NPDES ILR10ZEMT discharge permit, effluent exceedances, inspections, penalties

OAK CREST BRIDGE REPLACEMENT, held by Sangamo Construction, LLC, holds NPDES permit ILR10ZEMT. EPA’s file records it issued September 15, 2024 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 OAK CREST BRIDGE REPLACEMENT: its NPDES ID, its permit type and status, its dates, its address in Springfield, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILR10ZEMT.

Identity

Facility as filedOAK CREST BRIDGE REPLACEMENT
Permittee as filedSangamo Construction, LLC
NPDES IDILR10ZEMT
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedSeptember 15, 2024
Expiration dateAugust 31, 2028
Issuing agencyIEPA
AddressSpringfield, IL 62707
Receiving water impaired303(D) Listed
SubwatershedClear Lake-Sangamon River (HUC 071300080402)

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 ILR10ZEMT.

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 ILR10ZEMT.

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, ILR10ZEMT.

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  • 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 ILR10ZEMT there.

Nearby on the register

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

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