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Sonar Sludge Survey Reporting Form
Farm or Permit Number:
Lagoon I.D. Number:
Person taking measurements:
Date of Measurements:
Methods/Devices used for measurement of:
Number of measurement data points:
Distance from the present liquid level to the top of sludge
A. Start Pump Level:
B. Stop Pump Level:
C. Current Freeboard Level:
D. 1/2 Treatment Level:
E. Average Sludge Level:
If pump intake level is <2.5 ft a plan of action is required.
Staff
Sonar
If value for E is greater than D then sludge levels are in Compliance.
If value for E is equal to or less than D then a Plan of Action is required.
Volume of sludge to be removed to reach compliance
Completed by:
Print Name
AWS090203
3088
3/24/2023
238
2.27 feet
27.60 inches
66.36 inches
59 inches
99.24 inches
86.24 inches
1.9 feet
1,799,055 Gallons
600 Dry Tons
MI/ j 0 UMAN �
Signature
Date
Retention: 5 years Original: 5/21/19
PLAN OF ACTION (POA) FOR LAGOON SLUDGE REDUCTION
Facility Number
Facility Name
AW S090203
3088
Certified Operator Name: Smithfield
Operator #:
County:
"Attach a copy of Lagoon Sludge Survey Form and volume worksheets
Note: A certified Sludge Management Plan may be submitted in lieu of this POA.
Bladen
Lagoon 1
Lagoon 2
Lagoon 3
Lagoon 4
Lagoon 5
La oon 6
a. Lagoon Name/ Identifier
3088
b. Total Sludge Depth (ft)
c. Sludge Depth to be
Removed for Compliance
13.00
(in)
d. Sludge Volume to be
Removed (gallons)
1,799,055
e. Sludge PAN
(Ibs./1000 gal)
10
f. Liquid PAN
(Ibs./1000 gal)
2
g. PAN of Sludge (Ibs.)
(d x e)/1000
17,990.55
Compliance Timeframes:
If the sludge level is equal to or higher than the stop pump level of the lagoon or if the sludge level results in
an elevated waste analysis, a sludge management plan that meets the requirements of SIB Interagency
Group Guidance Document 1.26 must be prepared by a technical specialist and submitted to DWR within 90
days. Work to reduce the sludge level must begin within another 180 days. Compliance with NRCS
Standard 359 must be achieved within two years of the original sludge survey.
If the sludge level is non -compliant but below the stop pump level of the lagoon, a POA must be filed within
90 days and compliance with NRCS Standard 359 must be achieved within two years of the original sludge
survey indicating non-compliance. If future sludge surveys do not show improvement in sludge levels, DWR
may require the owner to develop a sludge management plan that meets the requirements of SIB
Interagency Group Guidance Document 1.27
SPOA 9-15-2016 Page 1 of 3
NARRATIVE: Use this section to describe the method(s) that will be used to lower the sludge depth. If microbe
use is planned, specify the product to be used.
1) Sludge Management Plan (In accordance with NRCS Standard 359, Sludge Management Guidance): Continue
current lagoon management and monitoring of sludge as long as:
A) the sludge level is less than the stop pump level of the lagoon,
B)nutrient values of the lagoon effluent are within the normal operating range,
C) there is no noticeable increase in lagoon odor,
D)a minimum 2.5 ft deep zone, free of sludge, at the pump intake is maintained, and
E) nutrients applied from lagoon are properly accounted for in the application plan (NUP).
2) Sludge Removal- Within 90 days of not maintaining the items listed in the above sludge management plan, one of
the following options will commence:
A) Mechanical Removal by Pump and Haul - a sludge utilization/application plan will be developed that identifies land in
the vicinity of the lagoon that will allow for the application of the agitated/mixed sludge layer of the lagoon.
Implementation of the plan will commence within another 180 days. Records will be kept of these applications as
required by the permit.
B) Mechanical Removal by Dewatering - sludge will be removed by dredge or lagoon agitator pump then mixed with
polymer and pumped into geotextile tubes (bags) for dewatering, as outlined in the Management Plan of the Distribution
of Animal Residuals Solids Permit, #WQ0037487. After curing for approximately 6 months solids will be distributed
within 2 years either
i) as a Class A material in accordance with permit #WQ0037487, or
ii) if the solids do not meet Class A standards, in accordance with a sludge utilization/application plan for
land application.
I hereby certify that I have reviewed the information listed above and included within the attached Plan of Action, and to
the best of my knowledge and ability, the information is accurate and correct. I further certify and acknowledge that
compliance with regard to sludge accumulation must be achieved within two years of the original sludge survey
indicating non-compliance.
Sludge Survey Date: 3/24/2023 Compliance Due Date: 3/24/2025
Smithfield
Facility Owner/Man r (print)
Facility Owner/Manager (signature)
NPDES Permitted Facilities
Return this form to:
Animal Feeding Operations Program
NC Division of Water Resources
1636 Mail Service Center
Raleigh, NC 27699-1636
Phone: 910-293-3434
Date:
State Permitted Facilities
Return this form to:
NC Division of Water Resources
at the appropriate Regional Office
(see following page)
SPOA 9-15-2016 Page 2 of 3
Murphy -Brown, LLC
Sludge Survey Form
Appendix 1. Lagoon Sludge Survey Form
A. Farm or Permit Number: AWS 09-088
B. Lagoon I.D. Number: 35151
C. Person taking measurements: Staff
D. Date of Measurements: 5/4/2023
E. Methods/Devices used for measurement of:
a. Distance from the lagoon liquid surface to the top of the sludge layer: Disk
b. Distance from the lagoon liquid surface to the bottom of the lagoon: Grade Rod
c. Thickness of the sludge layer if making a direct measurement with "core sampler":NA
F. Lagoon Surface Area (using dimensions at inside top of bank): 4 acres
G. Estimate number of sampling points:
a. Less than 1.33 acres: Use 8 points
b. If more than 1.33 acres,
4 acres x 6 = 24 , with max. 40
H. Conduct sludge survey and record data on "Sludge Survey Data Sheet" (App. 2).
a. Start Pump Level: 19.8 inches
b. Stop Pump Level: 48 inches
c. Current Freeboard Level: 41 inches
I. Distance from the max. liquid level to the the present liquid level
J. Distance from the max. liquid level to the min. liquid level:
K. Distance from the present liquid level to the min. liquid level:
L. Distance from the present liquid level to the lagoon bottom:
M. Distance from the present liquid level to the top of sludge:
N. Average thickness of sludge layer:
O. Thickness of existing Liquid Treatment Zone (M minus K):
21.2 inches
28.2 inches
0.58 feet
8.00 feet
3.13 feet
4.88 feet
2.54 feet
P. If Item N is greater than Item O, half treatment volumes must be determined.
If Item N is less than or equal to item O, you do not have to d7mil a volumes.
Completed by: v s
Print Name Signature Date
Murphy -Brown, LLC
Sludge Survey Form
Appendix 2. Sludge Survey Data Sheet
Facility Name:
Lagoon I.D. Number:
AW S 09-088
35151
Grid Point
Distance from liquid surface
I Distance from liquid surface
Thickness of
Number
to lagoon bottom (ft.)
Ito top of sludge layer (ft.)
Sludge Layer ft.)
1
8
3.5
4.5
2
8
3.5
4.5
3
8
3.5
4.5
4
8
4
4
5
8
3
5
6
8.5
2
6.5
7
7.5
2
5.5
8
8
3
5
9
8.5
1
7.5
10
8.5
1.5
7
11
8
3
5
12
7.5
3.5
4
13
8
3.5
4.5
14
8.5
3.5
5
15
8.5
3.5
5
16
7.5
3.5
4
17
7.5
3.5
4
18
7.5
3.5
4
19
8
3.5
4.5
20
8
3.5
4.5
21
8
3.5
4.5
22
8
3.5
4.5
23
8
3.5
4.5
24
8
3
5
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Average 8.00 3.13 4.88
of points 7.5 3.5 4
At pump 0
intake If pump intake level <2.5 a plan of action is required
Appendix 3. Sludge Volume Worksheet
Lagoon ID Number: 35151
A. Distance from Top of Dike to Midpoint of
Treatment Zone 7.27 feet
B. Distance from Top of Dike to Current 6.54 feet
Sludge Level (M + H.c.) Hc.= 3.42
If Item A is greater than item B then a two year
sludge removal plan is required
If Item A is less than item B sludge levels are
in compliance
e p
( . G
AnnluJJa�l�-Sludge Survey Data Sheet Form
Farm Names� 37.2 pate_ 57, /-,1
Facility Number __ .. Lagoon ID: 3 5 1 S" j
Retention: 5 years
PLAN OF ACTION (POA) FOR LAGOON SLUDGE REDUCTION
Facility Number:
Facility Name:
AWS090088
35151
Certified Operator Name: Smithfield
Operator #:
County:
**Attach a copy of Lagoon Sludge Survey Form and volume worksheets
Note: A certified Sludge Management Plan may be submitted in lieu of this POA.
Bladen
La oon 1
Lagoon 2
Lagoon 3
Lagoon 4
Lagoon 5
Lagoon 6
a. Lagoon Name/ Identifier
35151
b. Total Sludge Depth (ft)
c. Sludge Depth to be
Removed for Compliance
9.04
(in)
d. Sludge Volume to be
Removed (gallons)
1,401,030
e. Sludge PAN
(Ibs./1000 gal)
10
f. Liquid PAN
(Ibs./l000 gal)
2
g. PAN of Sludge (Ibs.)
(d x e)/1000
14,010.30
Compliance Timeframes:
If the sludge level is equal to or higher than the stop pump level of the lagoon or if the sludge level results in
an elevated waste analysis, a sludge management plan that meets the requirements of SIB Interagency
Group Guidance Document 1.26 must be prepared by a technical specialist and submitted to DWR within 90
days. Work to reduce the sludge level must begin within another 180 days. Compliance with NRCS
Standard 359 must be achieved within two years of the original sludge survey.
If the sludge level is non -compliant but below the stop pump level of the lagoon, a POA must be filed within
90 days and compliance with NRCS Standard 359 must be achieved within two years of the original sludge
survey indicating non-com fiance. If future sludge surveys do not show improvement in sludge levels, DWR
may require the owner to develop a sludge management plan that meets the requirements of SIB
Interagency Group Guidance Document 1.27.
SPOA 9-15-2016 Page 1 of 3
NARRATIVE: Use this section to describe the method(s) that will be used to lower the sludge depth. If microbe
use is planned, specify the product to be used.
1) Sludge Management Plan (in accordance with NRCS Standard 359, Sludge Management Guidance): Continue
current lagoon management and monitoring of sludge as long as:
A) the sludge level is less than the stop pump level of the lagoon,
B)nutrient values of the lagoon effluent are within the normal operating range,
C) there is no noticeable increase in lagoon odor,
D)a minimum 2.5 ft deep zone, free of sludge, at the pump intake is maintained, and
E) nutrients applied from lagoon are properly accounted for in the application plan (NUP).
2) Sludge Removal- Within 90 days of not maintaining the items listed in the above sludge management plan, one of
the following options will commence:
A) Mechanical Removal by Pump and Haul - a sludge utilization/application plan will be developed that identifies land in
the vicinity of the lagoon that will allow for the application of the agitated/mixed sludge layer of the lagoon.
Implementation of the plan will commence within another 180 days. Records will be kept of these applications as
required by the permit.
B) Mechanical Removal by Dewatering - sludge will be removed by dredge or lagoon agitator pump then mixed with
polymer and pumped into geotextile tubes (bags) for dewatering, as outlined in the Management Plan of the Distribution
of Animal Residuals Solids Permit, #WQ0037487. After curing for approximately 6 months solids will be distributed
within 2 years either
i) as a Class A material in accordance with permit #WQ0037487, or
ii) if the solids do not meet Class A standards, in accordance with a sludge utilization/application plan for
land application.
I hereby certify that I have reviewed the information listed above and included within the attached Plan of Action, and to
the best of my knowledge and ability, the information is accurate and correct. I further certify and acknowledge that
compliance with regard to sludge accumulation must be achieved within two years of the original sludge survey
indicating non-compliance.
Sludge Survey Date: 5/4/2023
Smithfield
Facility Owner/Mana er (print)
Facility Owner/Manager (signature)
NPDES Permitted Facilities
Return this form to:
Animal Feeding Operations Program
NC Division of Water Resources
1636 Mail Service Center
Raleigh, NC 27699-1636
Compliance Due Date: 5/4/2025
Phone: 910-293-3434
Date:
State Permitted Facilities
Return this form to:
NC Division of Water Resources
at the appropriate Regional Office
(see following page)
SPOA 9-15-2016 Page 2 of 3
Murphy -Brown, LLC
Sludge Survey Form
Appendix 1. Lagoon Sludge Survey Form
A. Farm or Permit Number: AWS 09-004
B. Lagoon I.D. Number: 74433 Cain
C. Person taking measurements: Staff
D. Date of Measurements: 5/4/2023
E. Methods/Devices used for measurement of:
a. Distance from the lagoon liquid surface to the top of the sludge layer: Disk
b. Distance from the lagoon liquid surface to the bottom of the lagoon: Grade Rod
c. Thickness of the sludge layer if making a direct measurement with "core sampler":NA
F. Lagoon Surface Area (using dimensions at inside top of bank): 4 acres
G. Estimate number of sampling points:
a. Less than 1.33 acres: Use 8 points
b. If more than 1.33 acres, 4 acres x 6 = 24 , with max. 40
H. Conduct sludge survey and record data on "Sludge Survey Data Sheet' (App. 2).
a. Start Pump Level: 19.92 inches
b. Stop Pump Level: 60.48 inches
c. Current Freeboard Level: 55 inches
I. Distance from the max. liquid level to the the present liquid level: 35.08 inches
J. Distance from the max. liquid level to the min. liquid level: 40.56 inches
K. Distance from the present liquid level to the min. liquid level: 0.46 feet
L. Distance from the present liquid level to the lagoon bottom: 6.78 feet
M. Distance from the present liquid level to the top of sludge: 3.29 feet
N. Average thickness of sludge layer: 3.48 feet
O. Thickness of existing Liquid Treatment Zone (M minus K): 2.84 feet
P. If Item N is greater than Item O, half treatment volumes must be determined.
If Item N is less than or equal to item O, you do not have t�drine of mes.
Completed by:
Print Name Signature Date
Murphy -Brown, LLC
Sludge Survey Form
Appendix 2. Sludge Survey Data Sheet
Facility Name:
Lagoon I.D. Number:
AWS 09-004
74433 Cain
Grid Point
Distance from liquid surface
I Distance from liquid surface
Thickness of
Number
to lagoon bottom (ft.)
Ito top of sludge layer (ft.)
Sludge Layer ft.)
1
6.5
3.5
3
2
6.5
2.5
4
3
9
5.5
3.5
4
7.5
4
3.5
5
6.5
3
3.5
6
6
3
3
7
6.5
3.5
3
8
7
3.5
3.5
9
7
3.5
3.5
10
7
3.5
3.5
11
7.5
3.5
4
12
8.5
5.5
3
13
7
5.5
1.5
14
6
2.5
3.5
15
6.5
2.5
4
16
6
2.5
3.5
17
6
2.5
3.5
18
7.5
5
2.5
19
7.5
5
2.5
20
7.5
4.5
3
21
5.5
2.5
3
22
5.5
2.5
3
23
6.5
2.5
4
24
6.5
2.5
4
25
6.5
2
4.5
26
7
2.5
4.5
27
6.5
2
4.5
28
6.5
2
4.5
29
6.5
2.5
4
30
31
32
33
34
35
36
37
38
39
40
Average 6.78 3.29
of points
At pump 6.5 3
intake If pump intake level <2.5 a plan of action is required
3.48
3.50
Appendix 3. Sludge Volume Worksheet
Lagoon ID Number: 74433 Cain
A. Distance from Top of Dike to Midpoint of
Treatment Zone 8.34 feet
B. Distance from Top of Dike to Current 7.88 feet
Sludge Level (M + H.c.) Hc.= 4.58
If Item A is greater than item B then a two year
sludge removal plan is required
If Item A is less than item B sludge levels are
in compliance
MW
V 0. . G
Annual Sludge Survey Data Sheet Form
Farm Name c L V; Date / .,'Z 3
Facility Number Lagoon ID: % E/Y 3,�
PLAN OF ACTION (POA) FOR LAGOON SLUDGE REDUCTION
Facility Number:
Facility Name:
Certified Operator Name:
AWS090004
74433
Smithfield
Operator #:
County:
"Attach a copy of Lagoon Sludge Survey Form and volume worksheets
Note: A certified Sludge Management Plan may be submitted in lieu of this POA.
Bladen
Lagoon 1
Lagoon 2
Lagoon 3
Lagoon 4
Lagoon 5
Lagoon 6
a. Lagoon Name/ Identifier
74433
b. Total Sludge Depth (ft)
c. Sludge Depth to be
Removed for Compliance
5.60
(in)
d. Sludge Volume to be
Removed (gallons)
707,429
e. Sludge PAN
(Ibs./1000 gal)
10
f. Liquid PAN
(Ibs./l000 gal)
2
g. PAN of Sludge (Ibs.)
(d x e)/1000
7,074.29
Compliance Timeframes:
If the sludge level is equal to or higher than the stop pump level of the lagoon or if the sludge level results in
an elevated waste analysis, a sludge management plan that meets the requirements of SIB Interagency
Group Guidance Document 1.26 must be prepared by a technical specialist and submitted to DWR within 90
days. Work to reduce the sludge level must begin within another 180 days. Compliance with NRCS
Standard 359 must be achieved within two years of the original sludge survey.
If the sludge level is non -compliant but below the stop pump level of the lagoon, a POA must be filed within
90 days and compliance with NRCS Standard 359 must be achieved within two years of the original sludge
survey indicating non-compliance. If future sludge surveys do not show improvement in sludge levels, DWR
may require the owner to develop a sludge management plan that meets the requirements of SIB
Interagency Group Guidance Document 1.27.
SPOA 9-15-2016 Page 1 of 3
NARRATIVE: Use this section to describe the method(s) that will be used to lower the sludge depth. If microbe
use is planned, specify the product to be used.
1) Sludge Management Plan (In accordance with NRCS Standard 359, Sludge Management Guidance): Continue
current lagoon management and monitoring of sludge as long as:
A) the sludge level is less than the stop pump level of the lagoon,
B)nutrient values of the lagoon effluent are within the normal operating range,
C) there is no noticeable increase in lagoon odor,
D)a minimum 2.5 ft deep zone, free of sludge, at the pump intake is maintained, and
E) nutrients applied from lagoon are properly accounted for in the application plan (NUP).
2) Sludge Removal- Within 90 days of not maintaining the items listed in the above sludge management plan, one of
the following options will commence:
A) Mechanical Removal by Pump and Haul - a sludge utilization/application plan will be developed that identifies land in
the vicinity of the lagoon that will allow for the application of the agitated/mixed sludge layer of the lagoon.
Implementation of the plan will commence within another 180 days. Records will be kept of these applications as
required by the permit.
B) Mechanical Removal by Dewatering - sludge will be removed by dredge or lagoon agitator pump then mixed with
polymer and pumped into geotextile tubes (bags) for dewatering, as outlined in the Management Plan of the Distribution
of Animal Residuals Solids Permit, #WQ0037487. After curing for approximately 6 months solids will be distributed
within 2 years either
i) as a Class A material in accordance with permit #WO0037487, or
ii) if the solids do not meet Class A standards, in accordance with a sludge utilization/application plan for
land application.
I hereby certify that I have reviewed the information listed above and included within the attached Plan of Action, and to
the best of my knowledge and ability, the information is accurate and correct. I further certify and acknowledge that
compliance with regard to sludge accumulation must be achieved within two years of the original sludge survey
indicating non-compliance.
Sludge Survey Date: 5/4/2023
Smithfield
Facility Owner/Man ger (print)
Facility Owner/Manager (signatures)
NPDES Permitted Facilities
Return this form to:
Animal Feeding Operations Program
NC Division of Water Resources
1636 Mail Service Center
Raleigh, NC 27699-1636
Compliance Due Date: 5/4/2025
Phone: 910-293-3434
Date:
State Permitted Facilities
Return this form to:
NC Division of Water Resources
at the appropriate Regional Office
(see following page)
SPOA 9-15-2016 Page 2 of 3
Murphy -Brown, LLC
Sludge Survey Form
Appendix 1. Lagoon Sludge Survey Form
A. Farm or Permit Number: AWS09204
B. Lagoon I.D. Number: Holmes 3097
C. Person taking measurements: Staff
D. Date of Measurements: 4/10/2023
E. Methods/Devices used for measurement of:
a. Distance from the lagoon liquid surface to the top of the sludge layer: Disk
b. Distance from the lagoon liquid surface to the bottom of the lagoon: Grade Rod
c. Thickness of the sludge layer if making a direct measurement with "core sampler":NA
F. Lagoon Surface Area (using dimensions at inside top of bank): 4 acres
G. Estimate number of sampling points:
a. Less than 1.33 acres: Use 8 points
b. If more than 1.33 acres, 4 acres x 6 = 24 , with max. 40
H. Conduct sludge survey and record data on "Sludge Survey Data Sheet" (App. 2).
a. Start Pump Level: 32.52 inches
b. Stop Pump Level: 66 inches
c. Current Freeboard Level: 51 inches
I. Distance from the max. liquid level to the the present liquid level: 18.48 inches
J. Distance from the max. liquid level to the min. liquid level: 33.48 inches
K. Distance from the present liquid level to the min. liquid level: 1.25 feet
L. Distance from the present liquid level to the lagoon bottom: 6.66 feet
M. Distance from the present liquid level to the top of sludge: 2.34 feet
N. Average thickness of sludge layer: 4.31 feet
O. Thickness of existing Liquid Treatment Zone (M minus K): 1.09 feet
P. If Item N is greater than Item O, half treatment volumes must be determined.
If Item N is less than or equal to item O, you do not have to de a ne olumes.
Completed by:
Print Name Signature Date
Murphy -Brown, LLC
Sludge Survey Form
Appendix 2. Sludge Survey Data Sheet
Facility Name:
Lagoon I.D. Number: Holmes 3097
AW S09204
Grid Point
Distance from liquid surface
Distance from liquid surface
Thickness of
Number
to lagoon bottom (ft.)
to top of sludge layer (ft.
Sludge Layer (ft.)
1
6.5
3.5
3
2
6.5
2
4.5
3
7
4
3
4
6.5
1.5
5
5
6.5
1
5.5
6
6.5
1
5.5
7
6.5
1
5.5
8
6.5
1.5
5
9
6.5
3.5
3
10
7
3.5
3.5
11
6.5
1
5.5
12
7
0.5
6.5
13
7
2
5
14
6.5
4
2.5
15
7
3.5
3.5
16
6.5
4
2.5
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Average 6.66 2.34 4.31
of points
At pump 6.5 3 3.5
intake If pump intake level <2.5 a plan of action is required
Appendix 3. Sludge Volume Worksheet
Lagoon ID Number: Holmes 3097
A. Distance from Top of Dike to Midpoint of
Treatment Zone 8.40 feet
B. Distance from Top of Dike to Current 6.59 feet
Sludge Level (M + H.c.) Hc.= 4.25
If Item A is greater than item B then a two year
sludge removal plan is required
If Item A is less than item B sludge levels are
in compliance
8sttf
rit . -R t%=
Annual Sludge Survey Data Sheet Form
Farm Name .3 0 T
Facility 1r,,jmber ® - OZV
Staff GaLge Reading _ 6,1
Date # - jP "C�3
Lagoon iD: 3d ,3 I
Gria Point#
Water Depth
Distance from Liquid
Surface to top cf Sludge
Thickness of Sludge
57
i
t
t
�
i
i
I
,.MKS .
i
S n.: ..a(:C- Si _�
ears Revision 5/21/19
PLAN OF ACTION (POA) FOR LAGOON SLUDGE REDUCTION
Facility Number:
Facility Name
AW S090204
3097
Certified Operator Name: Smithfield
Operator #:
County:
"Attach a copy of Lagoon Sludge Survey Form and volume worksheets
Note: A certified Sludge Management Plan may be submitted in lieu of this POA.
Bladen
Lagoon 1
Lagoon 2
Lagoon 3
Lagoon 4
Lagoon 5
Lagoon 6
a. Lagoon Name/ Identifier
3097
b. Total Sludge Depth (ft)
c. Sludge Depth to be
Removed for Compliance
24.36
(in)
d. Sludge Volume to be
Removed (gallons)
3,032,887
e. Sludge PAN
(Ibs./1000 gal)
10
f. Liquid PAN
(Ibs./1000 gal)
2
g. PAN of Sludge (Ibs.)
(d x e)/1000
30,328.87
Compliance Timeframes:
If the sludge level is equal to or higher than the stop pump level of the lagoon or if the sludge level results in
an elevated waste analysis, a sludge management plan that meets the requirements of SIB Interagency
Group Guidance Document 1.26 must be prepared by a technical specialist and submitted to DWR within 90
days. Work to reduce the sludge level must begin within another 180 days. Compliance with NRCS
Standard 359 must be achieved within two years of the original sludge survey.
If the sludge level is non -compliant but below the stop pump level of the lagoon, a POA must be filed within
90 days and compliance with NRCS Standard 359 must be achieved within two years of the original sludge
survey indicating non-com lip ance. If future sludge surveys do not show improvement in sludge levels, DWR
may require the owner to develop a sludge management plan that meets the requirements of SB
Interagency Group Guidance Document 1.27.
SPOA 9-15-2016 Page 1 of 3
NARRATIVE: Use this section to describe the method(s) that will be used to lower the sludge depth. If microbe
use is planned, specify the product to be used.
1) Sludge Management Plan (In accordance with NRCS Standard 359, Sludge Management Guidance): Continue
current lagoon management and monitoring of sludge as long as:
A) the sludge level is less than the stop pump level of the lagoon,
B)nutrient values of the lagoon effluent are within the normal operating range,
C) there is no noticeable increase in lagoon odor,
D)a minimum 2.5 ft deep zone, free of sludge, at the pump intake is maintained, and
E) nutrients applied from lagoon are properly accounted for in the application plan (NUP).
2) Sludge Removal- Within 90 days of not maintaining the items listed in the above sludge management plan, one of
the following options will commence:
A) Mechanical Removal by Pump and Haul - a sludge utilization/application plan will be developed that identifies land in
the vicinity of the lagoon that will allow for the application of the agitated/mixed sludge layer of the lagoon.
Implementation of the plan will commence within another 180 days. Records will be kept of these applications as
required by the permit.
B) Mechanical Removal by Dewatering - sludge will be removed by dredge or lagoon agitator pump then mixed with
polymer and pumped into geotextile tubes (bags) for dewatering, as outlined in the Management Plan of the Distribution
of Animal Residuals Solids Permit, #WQ0037487. After curing for approximately 6 months solids will be distributed
within 2 years either
i) as a Class A material in accordance with permit #WQ0037487, or
ii) if the solids do not meet Class A standards, in accordance with a sludge utilization/application plan for
land application.
I hereby certify that I have reviewed the information listed above and included within the attached Plan of Action, and to
the best of my knowledge and ability, the information is accurate and correct. I further certify and acknowledge that
compliance with regard to sludge accumulation must be achieved within two years of the original sludge survey
indicating non-compliance.
Sludge Survey Date: 4/1012023
Smithfield
Facility Owner/ anageft(pri t)
Facility Owner/Manager (signature)
NPDES Permitted Facilities
Return this form to:
Animal Feeding Operations Program
NC Division of Water Resources
1636 Mail Service Center
Raleigh, NC 27699-1636
Compliance Due Date: 4/10/2025
Phone: 910-293-3434
Date:
State Permitted Facilities
Return this form to:
NC Division of Water Resources
at the appropriate Regional Office
(see following page)
SPOA 9-15-2016 Page 2 of 3
Smithfield.
JGood food. '7,--espoKsibl8®
Sonar Sludge Survey Reporting Form
Farm or Permit Number:
Lagoon I.D. Number:
Person taking measurements:
Date of Measurements:
Methods/Devices used for measurement of:
Number of measurement data points:
Distance from the present liquid level to the top of sludge
A. Start Pump Level:
B. Stop Pump Level:
C. Current Freeboard Level:
D. 1/2 Treatment Level:
E. Average Sludge Level:
If pump intake level is <2.5 ft a plan of action is required.
AWS090203
3092
Staff
3/23/2023
Sonar
221
2.80 feet
27.72 inches
62.40 inches
46 inches
95.40 inches
79.60 inches
3.7 feet
If value for E is greater than D then sludge levels are in Compliance.
If value for E is equal to or less than D then a Plan of Action is required.
Volume of sludge to be removed to reach compliance
Completed by:
Print Name
Signature
2,182,182 Gallons
728 Dry Tons
Date
Retention: 5 years Original: 5/21/19
PLAN OF ACTION (POA) FOR LAGOON SLUDGE REDUCTION
Facility Number: AWS090203 County:
Facility Name
3092
Certified Operator Name: Smithfield Operator #:
"Attach a copy of Lagoon Sludge Survey Form and volume worksheets
Note: A certified Sludge Management Plan may be submitted in lieu of this POA.
Bladen
Lagoon 1
Lagoon 2
Lagoon 3
Lagoon 4
Lagoon 5
Lagoon 6
a. Lagoon Name/ Identifier
3092
b. Total Sludge Depth (ft)
c. Sludge Depth to be
Removed for Compliance
15.80
(in)
d. Sludge Volume to be
Removed (gallons)
2,182,182
e. Sludge PAN
(Ibs./1000 gal)
10
f. Liquid PAN
(Ibs./1000 gal)
2
g. PAN of Sludge (Ibs.)
(d x e)/1000
21,821.82
Compliance Timeframes:
If the sludge level is equal to or higher than the stop pump level of the lagoon or if the sludge level results in
an elevated waste analysis, a sludge management plan that meets the requirements of SB Interagency
Group Guidance Document 1.26 must be prepared by a technical specialist and submitted to DWR within 90
days. Work to reduce the sludge level must begin within another 180 days. Compliance with NRCS
Standard 359 must be achieved within two years of the original sludge survey.
If the sludge level is non -compliant but below the stop pump level of the lagoon, a POA must be filed within
90 days and compliance with NRCS Standard 359 must be achieved within two years of the original sludge
survey indicating non-com fiance. If future sludge surveys do not show improvement in sludge levels, DWR
may require the owner to develop a sludge management plan that meets the requirements of SB
Interagency Group Guidance Document 1.27.
SPOA 9-15-2016 Page 1 of 3
NARRATIVE: Use this section to describe the method(s) that will be used to lower the sludge depth. If microbe
use is planned, specify the product to be used.
1) Sludge Management Plan (In accordance with NRCS Standard 359, Sludge Management Guidance): Continue
current lagoon management and monitoring of sludge as long as:
A) the sludge level is less than the stop pump level of the lagoon,
B)nutrient values of the lagoon effluent are within the normal operating range,
C) there is no noticeable increase in lagoon odor,
D)a minimum 2.5 ft deep zone, free of sludge, at the pump intake is maintained, and
E) nutrients applied from lagoon are properly accounted for in the application plan (NUP).
2) Sludge Removal- Within 90 days of not maintaining the items listed in the above sludge management plan, one of
the following options will commence:
A) Mechanical Removal by Pump and Haul - a sludge utilization/application plan will be developed that identifies land in
the vicinity of the lagoon that will allow for the application of the agitated/mixed sludge layer of the lagoon.
Implementation of the plan will commence within another 180 days. Records will be kept of these applications as
required by the permit.
B) Mechanical Removal by Dewatering - sludge will be removed by dredge or lagoon agitator pump then mixed with
polymer and pumped into geotextile tubes (bags) for dewatering, as outlined in the Management Plan of the Distribution
of Animal Residuals Solids Permit, #WQ0037487. After curing for approximately 6 months solids will be distributed
within 2 years either
i) as a Class A material in accordance with permit #WQ0037487, or
ii) if the solids do not meet Class A standards, in accordance with a sludge utilization/application plan for
land application.
I hereby certify that I have reviewed the information listed above and included within the attached Plan of Action, and to
the best of my knowledge and ability, the information is accurate and correct. I further certify and acknowledge that
compliance with regard to sludge accumulation must be achieved within two years of the original sludge survey
indicating non-compliance.
Sludge Survey Date: 3/23/2023
Smithfield
Facility Owner/Mans (print)]
Facility Owner/Manager (signature)
NPDES Permitted Facilities
Return this form to:
Animal Feeding Operations Program
NC Division of Water Resources
1636 Mail Service Center
Raleigh, NC 27699-1636
Compliance Due Date: 3/23/2025
Phone: 910-293-3434
Date:
State Permitted Facilities
Return this form to:
NC Division of Water Resources
at the appropriate Regional Office
(see following page)
SPOA 9-15-2016 Page 2 of 3
Smithfield.
JGood food. -T--'espoKsibt8T
Sonar Sludge Survey Reporting Form
Farm or Permit Number: AWS090203
Lagoon I.D. Number: 3086
Person taking measurements: Staff
Date of Measurements:
3/24/2023
Methods/Devices used for measurement of: Sonar
Number of measurement data points:
180
Distance from the present liquid level to the top of sludge:
3.04 feet
A. Start Pump Level:
19.80 inches
B. Stop Pump Level:
72.00 inches
C. Current Freeboard Level:
56 inches
D. 1/2 Treatment Level:
100.92 inches
E. Average Sludge Level:
92.48 inches
If pump intake level is <2.5 ft a plan of action is required.
2.5 feet
If value for E is greater than D then sludge levels are in Compliance.
If value for E is equal to or less than D then a Plan of Action is required.
Volume of sludge to be removed to reach compliance
1,059,042 Gallons
353 Dry Tons
Completed by: _ /(✓"
Print Name Signature
Retention: 5 years Original: 5/21/19
PLAN OF ACTION (POA) FOR LAGOON SLUDGE REDUCTION
Facility Number: AWS090203 County:
Facility Name
3086
Certified Operator Name: Smithfield
Operator #:
"Attach a copy of Lagoon Sludge Survey Form and volume worksheets
Note: A certified Sludge Management Plan may be submitted in lieu of this POA.
Bladen
Lagoon 1
Lagoon 2
Lagoon 3
Lagoon 4
Lagoon 5
Lagoon 6
a. Lagoon Name/ Identifier
3086
b. Total Sludge Depth (ft)
c. Sludge Depth to be
Removed for Compliance
8.44
(in)
d. Sludge Volume to be
Removed (gallons)
1,059,042
e. Sludge PAN
(Ibs./1000 gal)
10
f. Liquid PAN
(Ibs./l000 gal)
2
g. PAN of Sludge (Ibs.)
(d x e)/1000
10,590.42
i
Compliance Timeframes:
If the sludge level is equal to or higher than the stop pump level of the lagoon or if the sludge level results in
an elevated waste analysis, a sludge management plan that meets the requirements of SB Interagency
Group Guidance Document 1.26 must be prepared by a technical specialist and submitted to DWR within 90
days. Work to reduce the sludge level must begin within another 180 days. Compliance with NRCS
Standard 359 must be achieved within two years of the original sludge survey.
If the sludge level is non -compliant but below the stop pump level of the lagoon, a POA must be filed within
90 days and compliance with NRCS Standard 359 must be achieved within two years of the original sludge
survey indicatim- non-comnliance. If future sludge surveys do not show improvement in sludge levels, DWR
may require the owner to develop a sludge management plan that meets the requirements of SB
Interagency Group Guidance Document 1.27.
SPOA 9-15-2016 Page 1 of 3
NARRATIVE: Use this section to describe the method(s) that will be used to lower the sludge depth. If microbe
use is planned, specify the product to be used.
1) Sludge Management Plan (In accordance with NRCS Standard 359, Sludge Management Guidance): Continue
current lagoon management and monitoring of sludge as long as:
A) the sludge level is less than the stop pump level of the lagoon,
B)nutrient values of the lagoon effluent are within the normal operating range,
C) there is no noticeable increase in lagoon odor,
D)a minimum 2.5 ft deep zone, free of sludge, at the pump intake is maintained, and
E) nutrients applied from lagoon are properly accounted for in the application plan (NUP).
2) Sludge Removal- Within 90 days of not maintaining the items listed in the above sludge management plan, one of
the following options will commence:
A) Mechanical Removal by Pump and Haul - a sludge utilization/application plan will be developed that identifies land in
the vicinity of the lagoon that will allow for the application of the agitated/mixed sludge layer of the lagoon.
Implementation of the plan will commence within another 180 days. Records will be kept of these applications as
required by the permit.
B) Mechanical Removal by Dewatering - sludge will be removed by dredge or lagoon agitator pump then mixed with
polymer and pumped into geotextile tubes (bags) for dewatering, as outlined in the Management Plan of the Distribution
of Animal Residuals Solids Permit, #WQ0037487. After curing for approximately 6 months solids will be distributed
within 2 years either
i) as a Class A material in accordance with permit #WQ0037487, or
ii) if the solids do not meet Class A standards, in accordance with a sludge utilization/application plan for
land application.
I hereby certify that I have reviewed the information listed above and included within the attached Plan of Action, and to
the best of my knowledge and ability, the information is accurate and correct. I further certify and acknowledge that
compliance with regard to sludge accumulation must be achieved within two years of the original sludge survey
indicating non-compliance.
Sludge Survey Date: 3/24/2023
Smithfield
Facility Owner/Mans er (print)
acility Owner/Manager (signature)
NPDES Permitted Facilities
Return this form to:
Animal Feeding Operations Program
NC Division of Water Resources
1636 Mail Service Center
Raleigh, NC 27699-1636
Compliance Due Date: 3/24/2025
Phone: 910-293-3434
Date:
State Permitted Facilities
Return this form to:
NC Division of Water Resources
at the appropriate Regional Office
(see following page)
SPOA 9-15-2016 Page 2 of 3