06480350 - SPRING CREEK NEAR ELKTON, S.D. Streamflow potentially affected by regulation1 - No Location.-- latitude 44o12'30" longtitude 96o26'40" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1985-08-19 Not Available 0.0 Yes 2 1987-05-08 Not Available 0.13 Yes 3 1988-06-30 Not Available 0.0 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.