Minnesota Pollution Control Agency water quality site: UM-815 Site description: Mississippi River at Lock and Dam #2 Hydrologic Unit Code (HUC): 07010206 Site UTM N: 4956113 Site UTM E: 510531 UTM zone: 15 Drainage area at water quality site: 37,056 mi2 Sampling frequency: monthly Flow station: Lock and Dam #2 (USACOE daily flows) Station description: Lock and Dam #2 at Hastings, MN Hydrologic Unit Code (HUC): 07010206 Station UTM N: 4956059 Station UTM E: 510550 UTM zone: 15 Drainage area at flow station: 37,056 mi2 Period of record: Calculated flow available from 01/01/1959-08/17/1998 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 1.101