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Clean Water Act discharge permit · NPDES IL0021491

LADD - STP, VILLAGE OF, Ladd, IL: NPDES IL0021491 discharge permit, effluent exceedances, inspections, penalties

LADD - STP, VILLAGE OF, held by LADD, VILLAGE OF, holds NPDES permit IL0021491, which discharges to Unnamed Trib To Spring Creek. EPA’s file records it issued October 8, 2020 and expiring October 31, 2025. 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.

Identity

Facility as filedLADD - STP, VILLAGE OF
Permittee as filedLADD, VILLAGE OF
NPDES IDIL0021491
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedOctober 8, 2020
Expiration dateOctober 31, 2025
AddressLadd, IL 61329
Receiving waterUNNAMED TRIB TO SPRING CREEK
SubwatershedSpring Creek (HUC 071300010802)

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

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended5121101June 30, 2025135% over the limit
Oxygen, dissolved [DO]54018July 31, 2023100% over the limit
BOD, carbonaceous [5 day, 20 C]4193April 30, 202528% over the limit
Chlorine, total residual1440
Flow, in conduit or thru treatment plant4140
Coliform, fecal general1110
pH280
Nitrogen, ammonia total [as N]140
BOD, 5-day, 20 deg. C130

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 IL0021491.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, IL0021491.

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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 IL0021491 there.

Nearby on the register

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