04015387 - AMITY CREEK AT DULUTH, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 46o50'39" longtitude 92o00'36" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1970-08-10 14:10 0.047 No 2 1971-09-22 11:30 0.36 Yes 3 1974-07-01 16:45 1.51 Yes 4 1974-07-30 11:00 1.1 Yes 5 1974-09-24 15:50 0.63 Yes 6 1975-10-07 11:50 0.62 Yes 7 1976-06-07 15:25 0.79 Yes 8 1976-09-07 13:00 0.03 Yes 9 1980-05-16 10:10 2.79 Yes 10 1983-09-28 12:30 1.8 Yes 11 1986-07-10 12:30 3.36 Not Determined 12 1987-05-14 12:35 3.73 Not Determined 13 2002-04-11 10:13 260.0 Not Determined 14 2002-04-12 9:15 113.0 Not Determined 16 2002-06-24 9:33 184.0 Not Determined 17 2002-07-08 17:55 302.0 Not Determined 21 2003-04-14 9:55 29.4 No 22 2003-05-20 9:40 161.0 Not Determined 23 2004-04-06 7:30 90.8 Not Determined 24 2006-07-12 15:15 0.75 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.