04010850 - BRULE RIVER NEAR GRAND MARAIS, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 47o55'57" longtitude 90o18'37" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1970-08-12 9:00 16.5 No 2 1971-09-28 11:35 13.2 No 3 1974-08-01 14:05 20.3 No 4 1974-09-25 16:40 76.7 Not Determined 5 1975-10-09 10:10 23.6 Not Determined 6 1976-06-09 8:20 26.2 Not Determined 7 1976-09-08 12:45 2.55 Not Determined 8 1980-05-15 10:35 110.0 Yes 9 1983-09-27 16:05 36.1 Not Determined 10 1987-05-14 8:35 23.2 Not Determined 11 2006-07-11 14:05 23.2 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.