05303470 - EAST BRANCH CHIPPEWA RIVER NEAR BENSON, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 45o20'53" longtitude 95o35'37" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1963-11-21 Not Available 45.4 Yes 2 1963-11-21 Not Available 25.4 Yes 3 1964-05-20 Not Available 107.0 No 4 1964-08-12 Not Available 2.78 Yes 5 1964-09-10 Not Available 16.5 Yes 6 1964-10-12 15:10 6.18 Yes 7 1964-11-16 Not Available 14.1 Yes 8 1965-06-09 Not Available 4.1 Yes 9 1965-07-07 Not Available 84.8 No 10 1965-08-11 Not Available 52.4 Not Determined 11 1965-08-31 Not Available 44.4 Not Determined 12 1965-10-04 Not Available 169.0 No 13 1965-11-01 Not Available 168.0 No 14 1969-09-24 Not Available 35.7 Yes 15 1970-08-26 Not Available 7.48 Yes 16 1973-09-04 Not Available 36.1 Yes 17 1974-08-28 Not Available 14.3 Yes 18 1976-08-19 Not Available 1.51 Yes 19 1997-10-15 12:10 188.0 No 20 1998-04-06 11:50 483.0 No 21 1998-05-20 15:50 245.0 No 22 1998-06-21 10:00 876.0 No 23 1998-06-22 16:30 733.0 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.