310713_Report_20180620 (2)

Appendix 1. Lagoon Sludge Survey Form Revised August 2008
7(
A. Farm Permit or DWQ Identification Number Fac 31
B. Lagoon Identification NG3
Person(s) Taking Measurements Mck Edwards
D. Date of Measurement 6/24/2017
E Methods/Devices Used for Measurement of
a. Distance from the lagoon liquid surface to the top of the sludge layer.
Scaled Pole
b. Distance from the lagoon liquid surface to the bottom (soil) of the lagoon.
Scaled Pole
c. Thickness of the sludge layer d making a arect measurement with 'core sampler.
WA
F. Lagoon Surface Area (using dimensions at inside top of bank): 2-11 (acres)
(Draw a sketch of the lagoon on a separate sheet Gat dimensions, and calculate surface area The lagoon
may have been built different than designed, so measurements should be made.)
G. Estimate number of sampling points:
a. Less than 1.33 acres: Use 8 point;
(-14-)
b. If more than 1.33 ac. 2-11 acres x 6 = 12.66 , wdh maximum of 24.
(Using sketch and donsnsiorm, develop a u ftm grid dux has the same number of kmarsedtons as the
esffmaled number of sampling points needed. Number the Intersection points on the lagoon grid w dux data
recorded at each can be easily matched.)
K Conduct sludge survey and record data on 'Sludge Survey Data Sheet" (Appendoe 2). Also, at the
location of the pump Intake, take measurements of distance from liquid surface to top of sludge
layer and record It on the Data Sheet (last row); this must be at least 26 ft when Irrigating.
4t the time of the survey, also measure the distance from the Maximum Liquid Level to the Present Liquid
`,-Level (measure at the lagoon gauge pole): t
J. Determine the distance from the top of bank to the Maximum Liquid Level
(use lagoon management plan or other lagoon records)
K. Detemilne the distance from the Maximum Liquid to the Minimum Liquid level:
(use lagoon management plan or other lagoon records)
L Calculate the distance from the present liquid surface level to the Minimum Liquid Level
(Item K Minus roam 1, assuming the present liquid level is below the Maximum Liquid Level)
M. Record from the Sludge Survey Data Sheet the distance from the present liquid surface level to the
lagoon bottom (average for all the measurement points)
N. Record from the Sludge Survey Data Sheet the distance from the present liquid surface level to the top
of the sludge layer (average for all the measurement pohtts):
O. Record from the Sludge Survey Data Sheet the average thickness of the sludge layer.
P. Calculate the thickness of the existing Liquid Treatment Zone (Item N minus Item L):
Q. If Item O Is greater than Item P, proceed to the Worksheet for Sludge Volume and Treatment Volume.
If Item O Is equal to or less than hem P, you do not have to determine volumes. �
Completed by. Need Generation Family Ventures LLC g J - 44Y --
1L/
JUN 2 0 ZU16
1.70
1.eD
2OD
0.30
7.70
4.11
3.59
3.81
6/24/2017

11
Appendix 3. Worksheet for sludge volume and treatment volume Revised August 2Do8
The average thickness of the sludge layer and the thickness of the existing Liquid (sludge -free) treatment zone are determined
�om the infomaton on the Lagoon Sludge Survey Form ( Items O and P, respectively). In this example, the average sludge
Layer thickness is 25 feet and the wasting Liquid treatment zone is 3.5 feet fl the lagoon has a designed sludge storage volume,
see notes at end of the worksheet The dnrenskons of the lagoon as measured and the side slope are needed
for calculations of sludge volume and of total treatment volume. If the lagoon is a standard geometric shape. the sludge
volume and the treatment volume in the lagoon can be estimated by using standard equations. For approximate volumes
of rectangular lagoons with constant side slope, calculate length and width at the midpoint of the layer, and multiply by layer
thickness to calculate layer volume, as shown in the example. For irregular shapes, convert the total surface area to a square
or rectangular shape. For exact vokmres for lagoons with constant side slope, the "Prismoidal Equations" may be used
6W
�1i
Emr ple
1. Average sludge Layer Thickness (T)
25
R
2 Depth of the lagoon from top of bank to bottom sill surface (D)
11
ft
3. Slope = Horizo W vertical side slope (S)
3
4. Length at the top of Inside bank (L)
457
it
5. Width at tap inside slope (W)
229
ft
6. Length at midpoint of sludge layer L.m= L-2S(D{T2))
398.5
ft
7. Width at midpoint of sludge layer Wm W-2S(D-(T2))
170.5
R
8. Volume of sludge (Vs) Vs=L,,, W,o T
169.860
ft
9. Volume in gallons: Vso=V•7.5 galAe.
1.273.950
gaL
10 Thickness of existing liquid tint zone (`()
3.5 rft
11. Thickness of total treatment zone (Z) Z= T+Y
6
ft
12. Length at midpoint of total tint zone Li= L-2(S)(D{L2)
409
R
13. Width at midpoint of total tint Zane W, = W-2(S)(D-(Z/2)
181
R
14. Volume of total treatment zone (Vz) Vz = L^Z 444,174 fls
15. Ratio ( R ) of sludge layer volume to total Treatment Volume
R = Vs/Vz 0.38
If the ratio R exceeds 0.50, than a sludge Plan of Action may be required Check with DWQ for
Information on filing the Plan of Action.
Your Lagoon
3.59 ft
11.00 ft
2-00
650.00 ft
115.00 R
613.17 ft
78.17 ft
171,872 ft
1.289.042 gal.
3.81 it
7.40 ft
620.80 ft
85.8D it.
394,158 f?
0.44
Note: If the Loon has a designed sludge storage volume (DSSV), subtract that volume from both the volume
of sludge (Vs) (Item 8) and from the volume of total treatment zone (Vz) (Item 14), and take the ratio.
Then, R = (Vs-DSSV) / (Vz - DSSV)
Example: If DSSV = 85,000 fO. then R = (169.860 - 85.000) / (447.174 - 85.000) = 84,860 / 362,174 = 024.
16. Design sludge storage volume (DSSV)
17. Ratio (R) of sludge layer volume to treatment volume aQ]usted
for designed sludge storage volume
024 0.44

ppendbc 2 Sludge Survey Data Sheet'
Lagoon Idenhficabon NG3
,yompleted by:
Q
Print Name
Revised August 2008
Signature
Date: 6124/2D17
(A)
(B)
(c)
(FHB)
Grid Point
Distance from liquid surface
Distance from liquid surface
Thickness of sludge layer
No.
to toP of sludge
to lagoon bottom soJ
Ft & in.
Ft tenths
Ft & in.
Ft tenths
Ft 8 In.
Ft tenths
1
4.1
7.7
3.6
2
4.1
7.7
3.6
3
4.1
7.7
3.6
4
4.0
7.7
3.7
5
4.1
7.7
3.6
6
4.0
7.7
3.7
7
4.2
7.7
3.5
8
4.1
7.7
3.6
9
4.1
7.7
3.6
10
4.2
7.7
3.5
11
4.2
7.7
3.5
12
4.1
7.7
3.6
13
4.1
7.7
3.6
14
4.2
7.7
3.5
15
0.0
0.0
0.0
16
0.0
0.0
s
0.0
17
0.0
0.0
0.0
18
0.0
0.0
00
19
0.0
0.0
00
20
0.0
0.0
0.0
21
0.0
0.0
0.0
22
0.0
0.0
0.0
23
00
0.0
0.0
24
0.0
1
0.0
1
1 0.0
Number of Fgnts with readings
14.0
X X
14.0
X X
14.0
Average of
X X
41
X X
7.7
X X
3.6
points
At pump
4.3
X X X X X X
Intake
'All Grid Paints and corresponding sludge layer thicknesses must be shown on a sketch attached to this
Sludge Survey Data Sheet
ME