THOMSON STP, VILLAGE OF, Thomson, IL: NPDES IL0073890 discharge permit, effluent exceedances, inspections, penalties

THOMSON STP, VILLAGE OF, Thomson, Illinois: Individual permit IL0073890, held by THOMSON, VILLAGE OF; Publicly owned treatment works; Administratively continued; issued January 8, 2018, term to January 31, 2023; discharges to BACKWATER TRIB TO MISSISSIPPI RIVER.

• Nitrogen, ammonia total [as N]: 14 limits, 47 violations of any kind, 43 effluent exceedances, latest May 31, 2026, largest 3,493% over the limit.
• Solids, total suspended: 5 limits, 33 violations of any kind, 32 effluent exceedances, latest October 31, 2025, largest 4,733% over the limit.
• BOD, carbonaceous [5 day, 20 C]: 4 limits, 18 violations of any kind, 18 effluent exceedances, latest May 31, 2025, largest 420% over the limit.
• Coliform, fecal general: 1 limit, 11 violations of any kind, 11 effluent exceedances, latest August 31, 2023, largest 99,999% over the limit.
• Oxygen, dissolved [DO]: 5 limits, 8 violations of any kind, 8 effluent exceedances, latest April 30, 2022, largest 50% over the limit.
• Flow, in conduit or thru treatment plant: 4 limits, 4 violations of any kind.
• pH: 2 limits, 2 violations of any kind.
• Chlorine, total residual: 2 limits, 2 violations of any kind.
• BOD, 5-day, 20 deg. C: 1 limit, 1 violation of any kind.

Illinois holds 544 Publicly owned treatment works coverages of this permit type in EPA’s file; 316 were issued before IL0073890.

Coverages issued nearest IL0073890

• 2017-12-18: ARTHUR STP, VILLAGE OF, Arthur: IL0021741, held by ARTHUR, VILLAGE OF
• 2017-12-20: THOMPSONVILLE STP, Thompsonville: IL0072478, held by THOMPSONVILLE, VILLAGE OF
• 2017-12-22: ST. ANNE - STP, VILLAGE OF, Saint Anne: IL0025755, held by ST ANNE, VILLAGE OF
• 2018-01-08: MT STERLING - STP, CITY OF, Mount Sterling: IL0022411, held by MT STERLING, CITY OF
• 2018-01-08: HURST STP, CITY OF, Hurst: IL0029246, held by HURST, CITY OF
• 2018-01-09: EAST ALTON STP, VILLAGE OF, East Alton: IL0023094, held by EAST ALTON, VILLAGE OF
• 2018-01-12: PINCKNEYVILLE - STP 1, CITY OF, Pinckneyville: IL0021997, held by PINCKNEYVILLE, CITY OF
• 2018-01-18: HINCKLEY STP, VILLAGE OF, Hinckley: IL0050628, held by HINCKLEY, VILLAGE OF
• 2018-01-25: MAROA STP, CITY OF, Maroa: IL0025208, held by MAROA, CITY OF
• 2018-02-06: MARSEILLES - SOUTH STP, CITY OF, Marseilles: IL0071498, held by MARSEILLES, CITY OF

THOMSON STP, VILLAGE OF among its neighbors

1 discharge permits are in the Deer Creek-Mississippi River subwatershed (HUC 070600051203); IL0073890 is one. Its county: 25, 0 major; IL0073890 is minor permit.