06482945 - ROCK RIVER NEAR HARDWICK, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 43o43'04" longtitude 96o09'51" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1969-09-23 14:10 13.3 Yes 2 1970-08-26 8:23 7.81 Yes 3 1972-10-14 9:05 14.8 Yes 4 1973-08-20 15:40 3.56 Yes 5 1974-07-23 17:10 1.13 Yes 6 1975-09-29 16:55 6.8 Yes 7 1976-08-18 15:25 2.0 Yes 8 1988-07-21 9:35 8.13 Yes 9 1996-01-24 9:03 24.8 No 10 1996-07-29 15:50 33.3 No 11 1998-06-16 15:10 49.4 No 12 1999-08-17 14:55 25.2 No 13 2000-09-06 11:36 12.7 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.