06480590 - WILLOW CREEK NEAR WARD, S.D. Streamflow potentially affected by regulation1 - No Location.-- latitude 44o07'32" longtitude 96o25'28" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1985-08-19 12:55 0.23 Not Determined 2 1988-06-30 Not Available 2.35 Not Determined 3 1988-06-30 15:05 0.0 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.