05213000 - PRAIRIE RIVER NEAR GRAND RAPIDS, MN Streamflow potentially affected by regulation1 - Yes Location.-- latitude 47o17'07" longtitude 93o29'52" Measure number Date Time Discharge, in ft^3;/s Base Flow2 13 1950-05-12 14:50 6650.0 Not Determined 14 1980-05-09 Not Available 255.0 Not Determined 1 1909-06-08 10:30 187.0 Not Determined 2 1909-06-29 Not Available 509.0 Not Determined 3 1909-08-04 Not Available 120.0 Not Determined 4 1909-08-25 Not Available 1220.0 Not Determined 5 1909-10-02 Not Available 293.0 Not Determined 6 1910-04-14 09:00 634.0 Not Determined 7 1911-08-20 08:30 956.0 Not Determined 8 1929-08-20 08:30 181.0 Not Determined 9 1929-08-21 Not Available 188.0 Not Determined 10 1929-08-21 Not Available 254.0 Not Determined 11 1929-09-05 Not Available 177.0 Not Determined 12 1929-10-19 Not Available 272.0 Not Determined 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.