WILMINGTON STP, CITY OF, Wilmington, IL: NPDES IL0026085 discharge permit, effluent exceedances, inspections, penalties

WILMINGTON STP, CITY OF, Wilmington, Illinois: Individual permit IL0026085, held by WILMINGTON, CITY OF; Publicly owned treatment works; Administratively continued; issued August 29, 2019, term to August 31, 2024; discharges to KANKAKEE RIVER.

10 of the 36 pollutants listed for NPDES IL0026085 have no violation or effluent exceedance.

• Nitrogen, ammonia total [as N]: 48 limits, 287 violations of any kind, 287 effluent exceedances, latest February 28, 2026, largest 854% over the limit.
• Solids, total suspended: 5 limits, 45 violations of any kind, 45 effluent exceedances, latest November 30, 2008, largest 90% over the limit.
• BOD, carbonaceous [5 day, 20 C]: 4 limits, 26 violations of any kind, 26 effluent exceedances, latest December 31, 2008, largest 96% over the limit.
• Coliform, fecal general: 1 limit, 9 violations of any kind, 8 effluent exceedances, latest September 30, 2008, largest 99,999% over the limit.
• Chlorine, total residual: 1 limit, 4 violations of any kind, 2 effluent exceedances, latest September 30, 2008, largest 760% over the limit.
• Phosphorus, total [as P]: 4 limits, 3 violations of any kind.
• Oil & Grease: 2 limits, 1 violation of any kind.
• Cyanide, total [as CN]: 2 limits, 1 violation of any kind.
• Cyanide, free [amenable to chlorination]: 2 limits, 1 violation of any kind.
• Fluoride, total [as F]: 2 limits, 1 violation of any kind.
• Arsenic, total [as As]: 2 limits, 1 violation of any kind.
• Barium, total [as Ba]: 2 limits, 1 violation of any kind.
• Cadmium, total [as Cd]: 2 limits, 1 violation of any kind.
• Chromium, hexavalent [as Cr]: 2 limits, 1 violation of any kind.
• Chromium, total [as Cr]: 2 limits, 1 violation of any kind.
• Copper, total [as Cu]: 2 limits, 1 violation of any kind.
• Iron, total [as Fe]: 2 limits, 1 violation of any kind.
• Iron, dissolved [as Fe]: 2 limits, 1 violation of any kind.
• Lead, total [as Pb]: 2 limits, 1 violation of any kind.
• Manganese, total [as Mn]: 2 limits, 1 violation of any kind.
• Nickel, total [as Ni]: 2 limits, 1 violation of any kind.
• Silver, total [as Ag]: 2 limits, 1 violation of any kind.
• Zinc, total [as Zn]: 2 limits, 1 violation of any kind.
• Selenium, total [as Se]: 2 limits, 1 violation of any kind.
• Phenolics, total recoverable: 2 limits, 1 violation of any kind.
• Mercury, total [as Hg]: 2 limits, 1 violation of any kind.
• Flow, in conduit or thru treatment plant: 4 limits.
• Oxygen, dissolved [DO]: 3 limits.
• pH: 2 limits.
• Temperature, water deg. fahrenheit: 1 limit.
• BOD, 5-day, 20 deg. C: 1 limit.
• Alkalinity, total [as CaCO3]: 1 limit.
• Nitrogen, total [as N]: 1 limit.
• Nitrogen, Kjeldahl, total [as N]: 1 limit.
• Nitrite + Nitrate total [as N]: 1 limit.
• Phosphorus, dissolved: 1 limit.

Illinois holds 544 Publicly owned treatment works coverages of this permit type in EPA’s file; 439 were issued before IL0026085. WILMINGTON, CITY OF holds 2 permits in Illinois.

Other permits held by WILMINGTON, CITY OF

• WILMINGTON STP, CITY OF, Wilmington: ILL026085, issued 2021-01-01

Coverages issued nearest IL0026085

• 2019-07-10: SPRINGERTON STP, VILLAGE OF, Springerton: IL0054496, held by SPRINGERTON, VILLAGE OF
• 2019-07-10: ESSEX STP, VILLAGE OF, Essex: IL0076368, held by ESSEX, VILLAGE OF
• 2019-08-06: BEMENT STP, VILLAGE OF, Bement: IL0032549, held by BEMENT, VILLAGE OF
• 2019-08-13: ROCHELLE WATER RECLAMATION, CITY OF, Rochelle: IL0030741, held by ROCHELLE, CITY OF
• 2019-08-22: SPRING CREEK STP, Springfield: IL0021989, held by SANGAMON COUNTY WATER REC DISTRICT
• 2019-08-30: SHAWNEETOWN SOUTH STP, Shawneetown: IL0021776, held by SHAWNEETOWN, CITY OF
• 2019-09-12: FAYETTEVILLE STP, Fayetteville: IL0020893, held by FAYETTEVILLE, VILLAGE OF
• 2019-09-12: PARK FOREST EXCESS FLOW FACILITY, VILLAGE OF, Park Forest: IL0047562, held by PARK FOREST, VILLAGE OF
• 2019-09-13: WITT STP, CITY OF, Witt: IL0022667, held by WITT, CITY OF
• 2019-09-19: GREENVILLE STP, CITY OF, Greenville: IL0026298, held by GREENVILLE, CITY OF

WILMINGTON STP, CITY OF among its neighbors

7 discharge permits are in the Forked Creek subwatershed (HUC 071200011703); IL0026085 is one. Its county: 295, 33 major; IL0026085 is major permit.

Other permits in the Forked Creek subwatershed (HUC 071200011703)

• 7 BREW - JOLIET, IL (PLAINFIELD), Joliet: ILR10ZFWW, minor, term to 2028-08-31
• CREST HILL EAST STP, CITY OF, Crest Hill: IL0064998, major, term to 2015-12-31
• ISSERT CONSTRUCTION INC.?S. A., Wilmington: ILR002103, minor, term to 2008-06-01
• IUOE LOCAL 150 TRAINING FACILITY BUILDING EXPANSION, Wilmington: ILR10ZE24, minor, term to 2028-08-31
• PRAIRIE VIEW RDF, Wilmington: IL0078662, minor, term to 2025-12-31
• WILMINGTON STP, CITY OF, Wilmington: ILL026085, minor, term to 2025-12-31