05379090 - PLEASANT VALLEY CREEK AT WINONA, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 44o01'12" longtitude 91o36'08" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1967-03-11 12:00 8.17 Not Determined 2 1967-03-24 13:40 91.8 Not Determined 3 1968-04-22 13:15 7.59 Not Determined 4 1969-03-28 16:00 7.87 Not Determined 5 1969-09-23 16:22 4.77 Yes 6 1970-05-21 15:37 4.97 Yes 7 1971-08-19 Not Available 5.78 Yes 8 1974-06-21 13:40 17.1 Yes 9 1975-04-15 9:26 10.8 Yes 10 1976-10-08 10:15 7.43 Yes 11 1979-09-28 9:00 6.72 Yes 12 1980-05-08 10:52 6.53 Yes 13 1985-08-08 16:05 7.2 Yes 14 1989-09-20 9:50 6.31 Yes 15 2008-09-22 14:15 8.00 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.