USGS Water Resources Division water quality site: 05331570 Site description: Mississippi River at Ninninger, MN Hydrologic Unit Code (HUC): 07010206 Site UTM N: 4957497 Site UTM E: 507759 UTM zone: 15 Drainage area at water quality site: 37,000 mi2 Sampling frequency: monthly Flow station: 05331000 (USGS daily flows) Station description: Mississippi River at St. Paul, MN Hydrologic Unit Code (HUC): 07010206 Station UTM N: 4976566 Station UTM E: 492987 UTM zone: 15 Drainage area at flow station: 36,800 mi2 Period of record: 04/01/1910-09/30/1997 Flow conversion: none 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 1.10