S-10-0164 Attachment 17 Eagle_Lake_WWTP_Historical_Freeboard.pdf
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- RECOVERY - Eagle Lake Sewer Ponds Federal contract opportunity
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- AG-9702-S-10-0164
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S-10-0164 Attachment 17 Eagle_Lake_WWTP_Historical_Freeboard.pdf
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Eagle Lake WWTP
Historical Freeboard Depths
Nov 2009
Year April May June July August Sept Oct Nov Dec
1995 2.1 2.56 306 2.28 1.81
1996 1.16 1.19 1.77 2.27 2.61 2.09 1.64 1.44
1997 2.93 3.33 1.93 1.2 1.23 1.18 1.54 2.9
1998 2.93 1.98 1.12 1.11 1.08 1.2 2.31
1999 3.15 4.9 4.25 1.57 1.58 1.2
2000 2.7 2.7 2.7 2.2 2.8 2.85
2001 2.9 2.6 1.95 2.5 2.9 2.6 2.6
2003 2.4 2.5 2.4 2.4 2.8
2004 2.5 3 3.3 4.2 4.5 4.3
2005 2.9 3.2 3.7 4.1 4.1 3.3
2006 2.6 2.6 2.6 2.6 2.6 2.6
2007 2.6 2.6 2.6 2.6 2.6 2.6 2.6
2008 2.3 2.6 2.6 2.6 2.7 2.6
2009 2.9 2.9 3.1 3.2 2.6 2.4
Note: Per WDID, veritical distance between the liquid surface elevation and lowest point of pond dike shall not be less than two (2) feet.
Free Board (Feet)
Primary 1
Year April May June July August Sept Oct Nov Dec
1995 4.2 2.44 2.19 2.22 2.44
1996 1.64 1.41 1.74 2.1 2.25 2.29 2.37 2.29
1997 0.63 0.66 1.09 1.48 1.9 2.42 2.17 2.23
1998 0.71 0.65 0.95 1.4 7.38 empty empty
1999 5.1 3.41 2.47 3.98 3.1 3.4
2000 3.1 3.7 4.1 5.3 3.3 2.87
2001 2.7 3.2 3.6 3.1 2.5 3.4 3.4
2003 2.7 3.1 3.4 3.5 2.9
2004 2.1 2.4 2.1 2.4 2.1 2.4
2005 2.6 2.2 2.2 2.7 2.4 2.7
2006 1.98 2.2 2.7 3.3 3.8 3.9
2007 3.3 3.4 3.6 4.5 4.6 4.8 4.8
2008 3.6 4.65 5.4 5 5.6 4.3
2009 2.6 2.4 2.4 2.4 3.0 2.7
Free Board (Feet)
Primary 2
Eagle Lake WWTP
Historical Freeboard Depths
Nov 2009
Year April May June July August Sept Oct Nov Dec
1995 2.2 2.81 3.25 3.51 3.82
1996 1.77 1.42 1.75 2.12 2.58 2.9 3.03 2.74
1997 0.62 0.7 1.09 1.5 1.9 2.59 3.03 2.37
1998 0.71 0.65 0.95 1.4 1.88 1.8 1.9
1999 2.33 2.78 4.17 6.6 6.64 6.9
2000 3.4 3.7 4 4.5 4.9 4.57
2001 4.3 4.6 5.1 5.3 5.9 5.8 6.1
2003 4.3 5.2 4.6 4.9 5.1
2004 4.2 4.3 4.7 5.1 5.1 5
2005 4 4.3 4.7 4.8 5.1 5.3
2006 2 2.6 2.8 3.4 4.2 4
2007 3.7 3.7 4 4.3 4.3 4.3 4.6
2008 3.4 3.4 4.4 4.5 4.6 4.7
2009 3.8 4.2 4.3 4.3 4.6 5.1
Note: starting in 2001 water level shown as above or below center berm when water is above berm the color is in red.
Free Board (Feet)
Evaporation 1 & 2
Evaporation 3
Year April May June July August Sept Oct Nov Dec
1995 4.4 4.81 5.9 empty empty
1996 3.85 2.87 3.89 3.85 5.15 empty empty 5.58
1997 4.82 empty empty empty empty empty empty empty
1998 2.79 5.52 empty empty 4.79 4.5 empty
1999 empty empty 7.21 3.3 3.32 3.8
2000 6.3 6.8 6.9 7.8 empty empty
2001 7.7 8.1 empty empty empty empty empty
2003 6.1 6 7.1 8 8.1
2004 6.3 7.1 7.6 8.4 empty empty
2005 6.1 7.1 7.7 8.2 empty empty
2006 4.5 5.2 5.8 6.45 6.8 6.9
2007 6.3 6.45 7.1 7.4 7.7 7.7 8.1
2008 6.8 6.9 8.1 8.4 8 8.1
2009 8.3 empty 8.3 empty 8.2 8.2
Free Board (Feet)
Note: pond is empty when it has 8.7 feet of freeboard
Evaporation 3
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