05132200 - STURGEON RIVER NEAR BIG FALLS, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 48o12'57" longtitude 93o55'54" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1969-10-21 Not Available 490.0 No 2 1970-07-28 Not Available 20.2 No 3 1970-08-12 Not Available 2.88 Not Determined 4 1970-09-30 Not Available 37.9 No 5 1971-08-05 8:35 45.0 No 6 1971-09-14 11:30 33.8 No 7 1972-06-07 12:35 101.0 No 8 1972-08-31 14:10 33.0 No 9 1975-08-13 17:35 8.27 No 10 1976-06-02 15:45 42.8 No 11 1976-08-19 13:50 3.94 Not Determined 12 1976-09-15 13:50 0.015 Not Determined 13 1979-10-04 11:15 33.8 Not Determined 14 1980-05-14 Not Available 262.0 Not Determined 15 1988-07-19 13:45 4.31 Not Determined 16 1990-09-26 Not Available 0.04 Yes 17 2006-09-06 12:55 0.01 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.