05336900 - NORTH BRANCH GRINDSTONE RIVER NEAR HINCKLEY, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 46o02'03" longtitude 92o58'16" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1967-09-07 7:40 5.65 Not Determined 2 1970-05-19 16:00 19.9 Yes 3 1974-09-18 8:45 19.6 Yes 4 1975-10-02 Not Available 7.73 Yes 5 1976-09-15 10:20 2.26 Not Determined 6 1980-05-19 16:45 9.68 Not Determined 7 2006-07-13 09:55 4.13 Yes 8 2006-09-08 10:16 5.44 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.