Long Term Resource Monitoring Program water quality site: CA00.4M Site description: Cahokia Creek near confluence with Mississippi River Hydrologic Unit Code (HUC): 07140101 Site UTM N: 4298975 Site UTM E: 751328 UTM zone: 15 Drainage area at water quality site: 222 mi2 Sampling frequency: biweekly Flow station: 05587900 (USGS daily flows) Station description: Cahokia Creek at Edwardsville, IL Hydrologic Unit Code (HUC): 07140101 Station UTM N: 4301437 Station UTM E: 762643 UTM zone: 15 Drainage area at flow station: 212 mi2 Period of record: 08/01/1969-09/30/1997 Flow conversion: 1.0472 x (flow at 05587900) = estimated flow at CA00.4M The following constituent values were removed from analysis as possible outliers or are below detection limits: none Additional comments: none Loads for this site were estimated with LOADEST2 version 1.101