05131750 - BIG FORK RIVER NEAR BIGFORK, MN Streamflow potentially affected by regulation1 - No Location.-- latitude 47o44'56" longtitude 93o46'31" Measure number Date Time Discharge, in ft^3;/s Base Flow2 1 1970-07-14 Not Available 218.0 Not Determined 2 1970-07-30 Not Available 122.0 No 3 1970-08-11 Not Available 113.0 No 4 1970-09-29 Not Available 138.0 No 5 1971-08-04 11:50 138.0 No 6 1971-09-13 17:05 147.0 No 7 1972-06-06 13:05 284.0 No 8 1972-08-30 13:00 240.0 No 9 1972-11-06 10:50 325.0 No 10 1973-05-28 10:37 268.0 No 11 1973-08-06 Not Available 70.1 No 12 1973-09-05 10:25 278.0 No 13 1973-09-10 9:50 209.0 No 14 1973-10-15 11:40 688.0 No 15 1974-04-19 13:15 1100.0 No 16 1975-04-25 11:25 1960.0 No 17 1975-04-28 9:20 1870.0 No 18 1975-05-01 9:45 1980.0 No 19 1975-05-05 13:10 1860.0 No 20 1975-05-12 10:25 1590.0 No 21 1975-05-19 9:50 1450.0 No 22 1975-06-23 8:45 576.0 No 23 1975-07-11 14:50 955.0 No 24 1975-08-04 12:30 789.0 No 25 1975-08-18 14:30 513.0 No 26 1976-04-08 8:20 949.0 No 27 1976-06-04 11:45 193.0 No 28 1976-08-17 14:45 44.1 Not Determined 29 1976-09-14 12:30 39.2 Not Determined 30 1978-04-10 11:25 615.0 No 31 1978-09-18 11:35 938.0 No 32 1979-04-22 16:05 2640.0 No 33 1980-04-23 10:40 725.0 No 34 1980-05-12 10:10 409.0 Not Determined 35 1981-11-04 11:40 616.0 No 36 1982-04-22 13:20 1470.0 No 37 1982-04-28 8:25 1340.0 No 38 1983-06-17 12:00 1250.0 No 39 1984-04-10 9:20 902.0 Not Determined 40 1985-04-11 Not Available 450.0 Not Determined 41 1985-04-25 Not Available 1800.0 Not Determined 42 1986-04-07 9:25 1180.0 No 43 1986-05-05 10:00 1360.0 No 44 1987-05-19 8:10 1140.0 No 45 1988-04-18 11:00 676.0 Not Determined 46 1989-04-17 17:25 938.0 Not Determined 47 1990-04-30 Not Available 667.0 Not Determined 48 1990-09-27 Not Available 107.0 Not Determined 49 1991-04-04 Not Available 302.0 Not Determined 50 1992-04-23 Not Available 639.0 Not Determined 51 1993-04-12 9:20 552.0 Not Determined 52 1993-07-06 13:40 424.0 Not Determined 53 1994-04-15 13:15 708.0 Not Determined 54 1995-03-23 11:00 297.0 Not Determined 55 1995-04-04 13:20 392.0 Not Determined 56 1995-10-13 11:10 701.0 Not Determined 57 1996-04-21 18:05 1450.0 Not Determined 58 1996-04-26 9:10 1670.0 Not Determined 59 1996-05-06 11:25 1510.0 Not Determined 60 1997-04-12 15:50 1110.0 Not Determined 61 1997-04-20 10:20 1470.0 Not Determined 62 1998-04-01 11:50 521.0 No 63 1999-04-05 8:55 1070.0 No 64 1999-04-12 8:55 1030.0 Not Determined 65 1999-05-17 Not Available 1450.0 No 66 2001-04-19 9:55 1320.0 Not Determined 67 2002-06-23 13:50 1940.0 Not Determined 68 2004-04-06 10:17 667.0 Not Determined 69 2005-04-04 15:00 801.0 Not Determined 70 2005-04-08 12:20 1280.0 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.