05124500 - ISABELLA RIVER NEAR ISABELLA, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 47o48'00" longtitude 91o31'15" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1967-05-11 Not Available 884.0 No 2 1967-09-27 Not Available 104.0 Not Determined 3 1968-02-02 Not Available 61.9 Yes 4 1968-05-28 Not Available 892.0 No 5 1968-09-24 Not Available 381.0 No 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.