05387240 - UPPER IOWA RIVER NEAR LEROY, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 43o31'38" longtitude 92o32'12" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1971-05-11 15:45 8.25 Yes 2 1971-09-15 Not Available 2.37 Yes 3 1974-09-19 18:30 4.19 Yes 4 1976-09-22 12:25 2.05 Yes 5 1985-06-18 14:00 4.34 Yes 6 1985-08-02 15:20 2.09 Yes 7 1996-06-25 8:30 3.43 Yes Notes: 1 Regulation includes human influences on streamflow from causes such as hydropower, reservoirs, water supplies, or wastewater discharges. 2 Base flow is defined as a period of at least 10-14 days without precipitation that produces detectable runoff.