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Kaskaskia Lock and Dam

Jerry F. Costello Lock and Dam
(formerly the Kaskaskia Lock and Dam)

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 Vital Statistics 
Location: Modoc, Ill.
Kaskaskia River Mile: 0.8
1st Day of Operation: November 9, 1973
Maximum lift: 29 feet
Pool size: 2,590 acre feet
Pool length: 27.8 miles
Lock characteristics:
 600 feet long
84 feet wide
Phone number: (618) 284-7160
 Annual Tonnage
Year
Tonnage
Lockages
2023 2,454,275 1,890
2022 2,078,212 1,498
2021 1,636,489 1,298
2020 1,482,552 1,111
2019 1,234,472 760
2018 1,402,961 985
2017 1,361,726 1,090
2016 1,406,071 1,010
2015 1,334,848 1,009
2014 1,436,161 1,159
2013 1,047,416 1,346
2009 707,110 1,315
2008 638,846 1,037
2007 588,510 2,076
2006 670,978 2,110
2005 661,350 2,109
2004 575,777 2,300
2003 492,720 4,098
2002 485,275 4,465
2001 533,000 2,036
2000 408,956 1,920
1999 583,183 2,059
1998 925,050 2,457
1997 1,171,000 2,781
1996 1,104,600 2,300
1995 1,134,804 2,568
1994 980,231 3,117
1993 1,164,300 1,314
1992 3,144,700 3,777
1991 3,654,175 3,720
1990 3,426,750 3,230
1989 4,392,870 3,537
1988 3,789,930 3,251
1987 3,059,350 2,900
1986 3,955,124 2,967
1985 3,776,482 3,193
1984 3,634,140 2,447
1983 2,988,833 2,450
1982 3,430,280 2,362
1981 2,827,570 2,061
1980 2,030,840 1,978
1979 1,661,592  
1978 1,815,360 1,878
1977 1,910,000 2,327
1976 649,695 1,798
1975 423,735 1,285
1974 365,545 1,020
1973 47,550 141