05476989 - EAST FORK DES MOINES RIVER ABOVE CEYLON, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 43o33'53" longtitude 94o39'15" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1A 1971-05-13 Not Available 21.7 Not Determined 1B 1972-10-12 Not Available 2.97 Not Determined 1C 1973-08-31 Not Available 0.03 Yes 1D 1974-08-29 Not Available 0.27 Yes 1E 1975-09-30 Not Available 0.0 Yes 1F 1976-06-10 Not Available 0.0 Yes 1G 1983-09-19 Not Available 5.4 Not Determined 1H 1985-08-15 Not Available 0.41 Yes 1 1986-04-03 9:50 164.0 No 2 1986-05-20 16:15 110.0 No 3 1986-09-11 12:18 4.79 Not Determined 4 1987-03-27 11:35 278.0 No 5 1987-04-17 12:00 73.9 Not Determined 6 1988-07-19 13:00 0.22 Yes 7 1989-03-23 17:05 24.5 Not Determined 8 1989-09-15 9:48 0.21 Yes 9 1990-06-06 14:15 40.8 Not Determined 10 1990-06-18 15:55 382.0 No 11 1991-03-20 14:35 168.0 No 12 1991-04-16 16:35 657.0 No 13 1991-06-04 10:12 793.0 No 14 1992-03-02 10:00 562.0 No 15 1992-07-03 16:47 619.0 No 16 1993-06-30 19:40 1200.0 No 17 1999-09-23 10:05 0.28 Yes 18 2004-09-21 11:29 250.0 No 19 2005-09-26 15:38 477.0 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.