Document 8OOwxdK7V9ZLo9bNwQXvZ3ZMe

Purpose: NPDES SSO Inspection Trip Report Facility: City of Cahokia Heights, Illinois NPDES ID Number (No NPDES Permit): ILN000019 Dates of Inspection: June 14, 2022 Illinois EPA Inspectors: None EPA Inspectors: Dean Maraldo, EPA Region 5; (312) 353-2098; maraldo.dean@epa.gov Joan Rogers, EPA Region 5; (312) 886-2785; rogers.joan@epa.gov City of Cahokia Heights Representatives: None Inspection Trip Report Prepared by: Joan Rogers, EPA Region 5 Inspector DINO Digitally signed by DINO MARALDO MARALDO Date: 2022.06.23 07:43:29 -05'00' EPA Inspector Signature and Date: _______________________________________________ JOAN Digitally signed by JOAN ROGERS EPA Inspector Signature and Date: _R_O__G__E_R__S_____D09a_:t4e_7::2_505_2-20_.50_'60.0_2'2__________________________ Approver Name & Title: Ryan Bahr, Manager, Water Enforcement and Compliance Assurance Branch Section 2 Digitally signed by Bahr, Bahr, Ryan Ryan Date: 2022.06.24 Approval Signature and Date:______________1_5:0_3_:53_-_05_'0_0'___________________________ Page 1 City of Cahokia Heights June 14, 2022 On June 14, 2022, EPA staff members Dean Maraldo, and Joan Rogers traveled to Cahokia Heights (City) and observed locations in Cahokia Heights that have had previous Sanitary Sewer Overflows (SSOs) or where the City has to manually operate a lift station. EPA notified the City of the activities prior to the trip. No photos were taken. Table 1 describes the locations, times, and observations from June 14, 2022. Table 1: June 14, 2022 Observations Location Time 4200 Missouri Avenue Lift Station (previously named the Pocket Road Lift Station in EPA reports) 2:57 P.M. SSO from cleanout on North 82nd Street North 82nd Street & Bluff Street Lift Station 3:18 P.M. 3:20 P.M. Observations The gate around the lift station was closed and had a chain around the gates, but it was not locked. The EPA Team observed that the water in the wet well was low and there was water entering the wet well from a blue pipe. This appeared to be the only water entering the wet well. The cleanout was not overflowing. The ditch leading from the cleanout was dry. There was no discharge observed from this lift station. The EPA Team exited the City at approximately 3:30 P.M. Page 2 City of Cahokia Heights June 14, 2022