310191_SSE calculations_20201102

Sludge Survey Evaluation Form
Today's Date11/2/2020Today's Date
Facility #
310191310191
Owner:
Thomas SmithThomas Smith
Lagoon IDTS-1TS-2
Sludge Survey Received:9/23/20209/23/2020
Sludge Survey Performed:12/6/201912/6/2019
Sludge Depth (Row O): (ft)
2.23.6
Existing Treatment Depth (Row P): (ft)
3.606.90
Start Date:03/23/7303/23/73
Facility age at time of survey:(yr)4747
Average Sludge Accumulation (ft/yr):0.050.08
11
Requested Extension: (yr)
Requested Due Date20212021
Sludge Accumulation during extension period: (ft)2.002.00
1.604.90
Treatment Depth Available after Extension: (ft)
Sludge level OK?NO
Ratio Estimates Based on DepthEXISTINGEXEMPTIONEXISTING
Ratio of Sludge layer to total trmt depth
0.380.720.34
Ratio of Sludge depth OK?NO
EXISTINGEXEMPTIONEXISTING
Average Sludge layer thickness (T)2.24.203.6
Depth of the lagoon from top of bank to bottom soil surface (D)
10.110.110.1
Slope=Horizontal/vertical side slope (S)
333
Length at the top of inside bank (L)
375375375
Width at the top inside slope (W)
175175175
Thickness of existing liquid treatment zone (Y)
3.601.606.90
Lm
Length at midpoint of sludge layer ()=L-2S(D-(T/2))
321.00327.00325.20
Wm
Width at midpoint of sludge layer ()=W-2S(D-(T/2))
121.00127.00125.20
Vs
Volume of sludge ()=Lm*Wm*T
85450.20174421.80146574.14
Vsg
Volume in gallons ()=Vs*7.481
639252.951304675.061096521.17
Z
Thickness of total treatment zone ()=T+Y
5.805.8010.50
Lz
Length at midpoint of total treatment zone ()=L-2(S)(D-(Z/2))
331.80331.80345.90
Wz
Width at midpoint of total treatment zone ()=W-2(S)(D-(Z/2))
131.80131.80145.90
Vz
Volume of total treatment zone ()=Lz*Wz*Z
253641.19253641.19529901.51
Ratio(R) of sludge layer volume to total trmt volume0.3370.6880.277
Sludge Volume Ratio OK?NO
Maximum extension until end of permit cycle
Next survey to be done: (calendar yr)
12/31/2024
Notification letter mailed:
4/12/2019

11/2/2020Today's Date11/2/2020
310191
Thomas Smith
TS-3
9/23/2020
12/6/2019
3
4.80
03/23/73
47
0.06
1
2021
2.00
2.80
YESNO
EXEMPTIONEXISTINGEXEMPTION
0.530.380.64
NONO
EXEMPTIONEXISTINGEXEMPTION
5.6035.00
10.110.110.1
333
375375375
175175175
4.904.802.80
331.20323.40329.40
131.20123.40129.40
243339.26119722.68213121.80
1820177.69895645.371594151.06
10.507.807.80
345.90337.80337.80
145.90137.80137.80
529901.51363080.95363080.95
0.4590.3300.587
NONO
12/31/202412/31/2024
4/12/20194/12/2019