SANDOVAL STP, VILLAGE OF, Sandoval, IL: NPDES IL0030961 discharge permit, effluent exceedances, inspections, penalties

SANDOVAL STP, VILLAGE OF, Sandoval, Illinois: Individual permit IL0030961, held by SANDOVAL, VILLAGE OF; Publicly owned treatment works; Administratively continued; issued January 3, 2019, term to December 31, 2023; discharges to PRAIRIE CREEK.

1 of the 10 pollutants listed for NPDES IL0030961 have no violation or effluent exceedance.

• Oxygen, dissolved [DO]: 5 limits, 259 violations of any kind, 251 effluent exceedances, latest July 31, 2026, largest 91% over the limit.
• pH: 2 limits, 12 violations of any kind, 8 effluent exceedances, latest February 28, 2026.
• Solids, total suspended: 5 limits, 8 violations of any kind, 6 effluent exceedances, latest September 30, 2018, largest 81% over the limit.
• BOD, carbonaceous [5 day, 20 C]: 4 limits, 5 violations of any kind, 5 effluent exceedances, latest September 30, 2024, largest 36% over the limit.
• Chlorine, total residual: 1 limit, 9 violations of any kind.
• Flow, in conduit or thru treatment plant: 4 limits, 6 violations of any kind.
• Phosphorus, total [as P]: 1 limit, 4 violations of any kind.
• BOD, 5-day, 20 deg. C: 1 limit, 1 violation of any kind.
• Coliform, fecal general: 1 limit, 1 violation of any kind.
• Nitrogen, ammonia total [as N]: 1 limit.

• June 26, 2026: Evaluation (S).

Illinois holds 544 Publicly owned treatment works coverages of this permit type in EPA’s file; 387 were issued before IL0030961.

Coverages issued nearest IL0030961

• 2018-12-14: ALMA STP, VILLAGE OF, Alma: IL0076422, held by ALMA, VILLAGE OF
• 2018-12-28: ANNA STP, CITY OF, Anna: IL0027481, held by ANNA, CITY OF
• 2018-12-28: HUEY STP, VILLAGE OF, Huey: IL0075884, held by HUEY, VILLAGE OF
• 2018-12-31: ATWOOD STP, VILLAGE OF, Atwood: IL0025097, held by ATWOOD, VILLAGE OF
• 2019-01-03: GREENFIELD STP, CITY OF, Greenfield: IL0029076, held by GREENFIELD, CITY OF
• 2019-01-03: MEDORA STP, VILLAGE OF, Medora: IL0065251, held by MEDORA , VILLAGE OF
• 2019-01-08: PORT BYRON STP, Port Byron: IL0023507, held by PORT BYRON, VILLAGE OF
• 2019-01-08: SOUTH WILMINGTON EAST BROOKLYN STP, South Wilmington: IL0054321, held by SOUTH WILMINGTON EAST BROOKLYN SANITARY DISTRICT
• 2019-01-09: DAKOTA STP, VILLAGE OF, Dakota: IL0028304, held by DAKOTA, VILLAGE OF
• 2019-01-09: MONTROSE STP, VILLAGE OF, Village Of Montrose: IL0063096, held by EJ WATER COOPERATIVE INC

SANDOVAL STP, VILLAGE OF among its neighbors

9 discharge permits are in the Prairie Creek-Lost Creek subwatershed (HUC 071402020811); IL0030961 is one. Its county: 47, 1 major; IL0030961 is minor permit.

Other permits in the Prairie Creek-Lost Creek subwatershed (HUC 071402020811)

• CARLYLE READY MIX, INC., Sandoval: ILR003764, minor, term to 2008-06-01
• CLINTON SOLAR 5, Centralia: ILR10ZG74, minor, term to 2028-08-31
• GENERAL CONTRACTORS, INC., Sandoval: ILR003869, minor, term to 2008-06-01
• GREENVILLE LIVESTOCK INC., Centralia: ILA010061, minor, term to 2014-09-30
• HOFFMAN, VILLAGE OF, Hoffman: ILG580205, minor, term to 2018-06-30
• JUNCTION CITY STP, VILLAGE OF, Junction City: ILG580277, minor, term to 2018-06-30
• KASKASKIA COLLEGE EAST PARKING LOT, Centralia: ILR10ZGTH, minor, term to 2028-08-31
• SANDOVAL 2 SOLAR, Centralia: ILR10ZF7B, minor, term to 2028-08-31