HomeMy WebLinkAbout820401_Application_20200723To Whom It May Concern:
I, James Moore, owner of Cascade Farm, COC #AWS820401, am requesting a
modification to my COC to install new/additional irrigation at this farm.
Thank you,
7-1 4 2- 0
Owner Signature Date
RECEIVED
JUL 2 3 2020
NC DEQ/DWR
Central Office
To Whom It May Concern:
I, James Moore, owner of Cascade Farm, COC #AWS820401, am requesting a
modification to my COC to install new/additional irrigation at this farm.
Thank you,
Owner Signature Date
RECEIVED
JUL 2 3 2020
NC DEQlDWR
Contra] Office
Ya - tea/
APPENDIX 2.5A
D). A ligation and Handling !# ment
Check the appropriate box
Existing or expanding facility with existing waste application equipment {WUP or. I)
Animal waste application equipment specified in the plan has been either field calibrated or evaluated in
accordance with existing design charts and tables and is able to apply waste as necessary to accommodate the waste
management plan: (existing application equipment can cover the area required by the plan at rates not to exceed
either the specified hydraulic or nutrient loading rates, a schedule for timing of applications has been established;
required buffers can be maintained and calibration and adjustment guidance are contained as part of the plan).
New expanded. or existing_facilitywithout existing waste application equipment for spray imgation. (1)
Animal waste application equipment specified in the plan has been designed to apply waste as necessary to
accommodate the waste management plan; (proposed application equipment can cover the area required by the plan
at rates not to exceed either the specified hydraulic or nutrient loading rates, a schedule for timing of applications -
has been established; required buffers can be maintained; calibration and adjustment guidance are contained as part
of the plan).
o New, expanded or existingfagility without existing waste application equipment for land spreading not using snray
irri--ation. (WUP or 1)
Animal waste application equipment specified in the plan has been selected to apply waste as necessary to
accommodate the waste management plan; (proposed application equipment can cover the area required by the plan
at rates not to exceed either the specified hydraulic or nutrient loading rates; a schedule for timing of applications
has been established; required buffers can be maintained; calibration and adjustment guidance are contained as part
of the plan). �—
y
'tfi /(Lv,
Name of Technical Specialist (Please Print):/ C am: sr �✓�,i " - C,
Affiliation S� l� fie r. _ Date Work Completed:`
Address (Agency): ,3 t s : ,- i K 6,OF t� fi K AIC Phone No.: 'Ile
Signature:
i-t /kZ�O
E) Odor Control Insect Contro Mortality- Management and Emergency Action Pla SD
Sl. WUP. RC or l )
The waste management plan for this facility includes a Waste Management Odor Control Checklist, an Control
Checklist, a Mortality Management Checklist and an Emergency Action Plan. Sources of both odors and ins' cts have
been evaluated with respect to this site and Best Management Practices to Minimize Odors and Best Man agement
Practices to Control Insects have been selected and included in the waste management plan. Both the Dlortality
Management Plan and the Emergency Action Plan are complete and can be implemented by this facility.
Name of Technical Specialist (Please
Affiliation
Address (Agency):
Signature:
Work
Phone
F) Written Notice of New or Expandinp_ Swine Farm
The following signature block is only to be used for new or expanding swine farms; that begirt construction after. June
21,1996. If the facility was built before dune 21,1996, when was it constructed or last expanded
I (we) certify that I (we) have attempted to contact by certified mail all adjoining property owners and all property o, - sic°rs who
own property located across a public road, street, or highway from this new or expanding swine farm The notice was m
compliance with the requirements ofNCGS 106-805. A copy of the notice and a fist of the property owners notified are
attached -
Name of Land Owner:
---
Signature: Date:
Name of Manager (if different from owner):
Signature: Date:
AWC - September 18, 2006
S�2-poi
CALCULATED WETTABLE ACREAGE FOR
BLACK RIVER --Cascade Farm
FXISTINC- CPRAVFIFI D AND HYDRANTS TRAVFI_ I ANFS REDESIGNED
4/18/2020
PULL
TYPE
PULL LENGTH EFFECT. WIDTH
MIDDLE ACR
START
END
TOTAL
1A
EE70
462.0
185.5
1.97
0.45
0.00
2.42
1 B
EE70
438.0
185.5
1.87
0.45
0.00
2.32
2A
E170
487.0
175.0
1.96
0.48
0.18
2.62
2B
EE70
415.0
217.5
2.07
0.55
0.00
2.62
3
E170
512.0
175.0
2.06
0.48
0.18
2.72
4
EE70
527.0
122.0
1.48
0.34
0.00
1.82
5
EE70
680.0
220.0
3.43
0.55
0.24
4.22
6
EE70
750.0
220.0
3.79
0.55
0.24
4.58
7A
EE70
930.0
220.0
4.70
0.55
0.00
5.25
7B
E90+
643.0
234.0
3.45
0.49
0.00
3.94
8
EE70
890.0
206.8
w hted
4.23
0.55
0.12
4.90
9
EE70
427.0
220.0
2.16
0.55
0.45
3.16
10
E170
507.0
180.0
2.101
0.49
0.39
2.98
11
E170
507.0
180.0
2.101
0.49
0.39
2.98
12
EE70
400.0
220.0
2.02
0.55
0.45
3.02
13
EE70
950.0
220.0
4.80
0.55
0.00
5.35
14
E170
870.0
180.0
3.60
1 0.49
1 0.00
4.09
15
EE70
860.0
220.0
4.34
0.55
0.00
1 4.89
TOTAL WETTED ACREAGE:
NOTES:
1. LAYOUT BASED ON NEW GPS MAPPING BY DESIGNER TO VERIFY BORDERS & HYDRANT LOCATIONS.
2. WETTED ACREAGE FOR START ENDS AND STOP ENDS ARE TAKEN FROM CAWMP WETTED ACREAGE
3. ALL CALCULATIONS BASED ON 0.96" RING IN SR150 GUN AND USING CALIBRATED WETTED DIA 2601.
PULLS 1-4 BASED ON 175' LANE SPACING; ALL OTHER PULLS 180' LANES.
4. EFFECTIVE SPRAY WIDTHS BASED ON EXISTING FIELD DESIGN STANDARDS.
15. OPERATOR MUST TAKE PRECAUTIONS AND OBSERVE IRRIGATION EVENTS TO PREVENT RUNOFF FROM
OVERAPPLICATION, SPRAY DRIFT, ETC. APPLICATION SHOULD NOT OCCUR IN OVER 5 mph WINDS
OR ON FROZEN OR SATURATED SOILS.
6. OPERATOR MUST VERIFY REQUIRED SETBACKS AND MARK LANES TO ENSURE ACCURATE APPLICATION.
7. SYSTEM SHOULD BE CALIBRATED AND OPERATED TO DESIGN SPECIFICATIONS, OR DESIGN MUST BE
MODIFIED TO ACCOMMODATE CHANGES.
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Btac1. River Farms LLC
.lames C - Moore
mpson Soil & "later
€)ate: 1312012003
Legend
USDA
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Nutrient Management Plan For Animal Waste Utilization
This plan has been prepared for. -
Cascade Farm
Jim Moore
F.O. Box 1
Harrells, NC 28444
(910) 532-4729
07-06-2020
This plan has been developed by:
Greer Moore
Clear Run Farms Consulting Services Inc.
PO Box 338
Harrells, 1 C 28444
(910) 8 6456
t
]eveloper Signature
Type of Plan: Nutrient Management with Manure Only
Owner/Manager/Producer Agreement
I (we) understand and agree to the specifications and the operation and maintenance
procedures established in this nutrient management plan which includes an animal
waste utilization plan for the farm named above. I have read and understand the
Required Specifications concerning animal waste management that are included with
this plan.
\Kn�
ligature (owner) Date
Signature (manager or producer) Date
This plan meets the minimum standards and specifications of the U.S. Department of
Agriculture - Natural Resources Conservation Service or the standard of practices
adopted by the Soil and Water C�jnservation Commission.
Plan Approved By:
Technical Specialist
Preview Database Version 3.1
�— -P -
Date
Date Printed: 07-06-2020
Cover Page 1
Nutrients applied in accordance with this plan will be supplied from the
following source(s):
Commercial Fertilizer is not included in this plan.
S5
Swine Nursery Lagoon Liquid waste generated 496,600 gals/year by a 2,600 animal
Swine Nursery Lagoon Liquid operation. This production facility has waste storage
capacities of approximately 180 days.
Estimated Pounds of Plant Available Nitrogen Generated per Year
Broadcast
1144
Incorporated
1964
Injected
2163
Irrigated
1243
Max. Avail.
PAN (lbs) *
Actual PAN
Applied (lbs)
PAN Surplus/
Deficit (lbs)
Actual Volume
Applied (Gallons)
Volume Surplus/
Deficit (Gallons)
Year 1
1,243
1521
-278
607,454
-110,854
Year 2
1,243
1331
-88
531,499
-34,899
S7
Swine Feeder -Finish Lagoon Liquid waste generated 3,615,300 gals/year by a 3,900
animal Swine Finishing Lagoon Liquid operation. This production facility has waste
storage capacities of approximately 180 days.
Estimated Pounds of Plant Available Nitrogen Generated per Year
Broadcast
8327
Incorporated
14300
Injected
15749
Irrigated
9051
Max. Avail.
PAN (lbs) *
Actual PAN
Applied (lbs)
PAN Surplus/
Deficit (lbs)
Actual Volume
Applied (Gallons)
Volume Surplus/
Deficit (Gallons)
Year 1
9,051
9148
-97
3,654,193
-38,893
Year 2
9,051
9941
-890
3,970,816
-355,516
Note: In source ID, S means standard source, U means user defined source.
* Max. Available PAN is calculated on the basis of the actual application method(s) identified in the plan for this source-.
Preview Database Version 3.1 Date Printed: 07-06-2020 Source Page 1 of 1
The table shown below provides a summary of the crops or rotations included in this plan for each field. Realistic
Yield estimates are also provided for each crop, as well as the crop's P205 Removal Rate. The Leaching Index (LI)
and the Phosphorous Loss Assessment Tool (PLAT) Rating are also provided for each field, where available.
If a field's PLAT Rating is High, any planned manure application is limited to the phosphorous removal rate of the
harvested plant biomass for the crop rotation or multiple years in the crop sequence. Fields with a Very High PLAT
Rating should receive no additional applications of manure. Regardless of the PLAT rating, starter fertilizers may be
recommended in accordance with North Carolina State University guidelines or recommendations. The quantity of
P205 applied to each crop is shown in the following table if the field's PLAT rating is High or Very High.
Planned Crops Summary
P205
Total
Useable
Plat
Removal
Applied
Tract
Field
Acres
Acres
wing
Ll
Soil Series
Crop Sequence
RYE
(lbs/acre)
(lbs/acre)
10984
10
2.98
2.98
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
11
2.99
2.98
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
12
3.02
3.02
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
13
5.35
5.35
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
14
4.09
4.09
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
15
4.89
4.89
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
IA
2.42
2.42
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
113
2.32
2.32
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
2A
2.62
2.62
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 hu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
Preview Database Version 3.1 Date Printed 7/6/2020
PCs Page 1 of 3
NOTE: Symbol * means user entered data.
Planned Crops Summary
P2O5
Total
!.. seable
Plat
Removal
AppliedTract
Field
Acres
Acres
Rating
LI
Soil Series
Crop Sequence
RYE
(lbslacre)
(tbs/acre)
10984
2B
2.62
2.62
Unknown
N/A
Lynchburg
Com, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
3
2.72
2.72
Unknown
N/A
Lynchburg
Com, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
NIA
10984
4
1.82
1.82
Unknown
N/A
Lynchburg
Com, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
5
4.22
4.22
Unknown
N/A
Lynchburg
Com, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
6
4.58
4.58
Unknown
N/A
Lynchburg
Com, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
7A
5.25
5.25
Unknown
N/A
Lynchburg
Com, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
7B
3.91
3.94
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.
31
N/A
10984
9
3.16
3.16
Unknown
N/A
Lynchburg
Corn, Grain
125 bu.
55
N/A
Wheat, Grain
55 bu.
28
N/A
Soybeans, Manured, Double Crop
39 bu.1
31
N/A
PLAN TOTALS: 58.98 58.99
Preview Database Version 3.1 Date Printed 7/6/2020
PCs Page 2 of 3
NOTE: Symbol * means user entered data.
LI
Polential Leaching
Technical Guidance
Lnw potential to contribute to soluble
None
2
nutrient leaching below the root zone.
>— 2 &
moderate potential to contribute to
Nutrient Management (590) should be planned.
<— 10
soluble nutrient leaching below the
root zone.
I I igh potential to contribute to soluble
Nutrient Management (590) should be planned. Other conservation practices that improve
nutrient leaching below the root zone.
the soils available water holding capacity and improve nutrient use efficiency should be
> 10
considered. Examples are Cover Crops (340) to scavenge nutrients, Sod -Based Rotations
(328), Long -Term No -Till (778), and edge -of --field practices such as Filter Strips (393) and
Riparian Forest Buffers (391).
PLAT Index
Rating
P Management Recommendation
0 - 25
Low
No adjustment needed; N based application
25 - 50
Medium
No adjustment needed; N based application
51 - 100
High
Application limited to crop P removal
> 100
Very High
Starter P application only
Preview Database Version 3.1 Date Printed 7/6/2020
PCS Page 3 of 3
NOTE: Symbol * means user entered data.
The Irrigation Application Factors for each field in this plan are shown in the following table. Infiltration rate varies
with soils. If applying waste nutrients through an irrigation system, you must apply at a rate that will not result in
runoff. This table provides the maximum application rate per hour that may be applied to each field selected to
receive wastewater. It also lists the maximum application amount that each field may receive in any one application
event.
Irrigation Application Factors
Tract
Field
Soil Series
Application Rate
(inches/hour)
Application Amount
(inches)
10984
10
Lynchburg
0.50
1.0
10984
11
Lynchburg
0.50
1.0
10984
12
Lynchburg
0.50
1.0
10984
13
Lynchburg
0.50
1.0
10984
14
Lynchburg
0.50
1.0
10984
15
Lynchburg
0.50
1.0
10984
IA
Lynchburg
0.50
1.0
10984
113
Lynchburg
0.50
1.0
10984
2A
Lynchburg
0.50
1.0
10984
2B
Lynchburg
0.50
1.0
10984
3
Lynchburg
0.50
1.0
10984
4
Lynchburg
0.50
1.0
10984
5
Lynchburg
0.50
1.0
10984
6
Lynchburg
0.50
1.0
10984
7A
Lynchburg
0.50
1.0
10984
7B
Lynchburg
0.50
1.0
10984
9
Lynchburg
0.50
1.0
Preview Database Version 3.1 Date Printed 7/6/2020 OF Page 1 of 1
NOTE: Symbol * means user entered data.
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The following Lagoon Sludge Nitrogen Utilization table provides an estimate of the number of acres needed for
sludge utilization for the indicated accumulation period. These estimates are based on average nitrogen
concentrations for each source, the number of animals in the facility and the plant available nitrogen application
rates shown in the second column.
Lagoon sludge contains nutrients and organic matter remaining after treatment and application of the effluent. At
clean out, this material must be utilized for crop production and applied at agronomic rates. In most cases, the
priority nutrient is nitrogen but other nutrients including phosphorous, copper and zinc can also be limiting. Since
nutrient levels are generally very high, application of sludge must be carefully applied.
Sites must first be evaluated for their suitability for sludge application. Ideally, effluent spray fields should not be
used for sludge application. If this is not possible, care should be taken not to load effluent application fields with
high amounts of copper and zinc so that additional effluent cannot be applied. On sites vulnerable to surface water
moving to streams and lakes, phosphorous is a concern. Soils containing very high phosphorous levels may also
be a concern.
Lagoon Sludge Nitrogen Utilization Table
Crop
Maximum
PA-N Rate
lb/ac
Maximum Sludge
Application Rate
1000 gal/ac
Minimum Acres
5 Years Accumulation
Minimum Acres
10 Years Accumulation
Minimum Acres
15 Years Accumulation
Swine Nursery Lagoon Sludge - Standard
Corn 120 bu
150
13.16
6.62
13.24
19.85
Hay 6 ton R.Y.E.
300
26.32
3.31
6.62
9.93
Soybean 40 bu
160
14.04
6.20
12.41
18.61
Swine Feeder -Finish Lagoon Sludge - Standard
Corn 120 bu
150
13.16
48.89
97.78
146.68
Hay 6 ton R.Y.E.
300
26.32
24.45
48.89
73.34
Soybean 40 bu
160
14.04
45.84
91.67
137.51
Preview Database Version 3.1 Date Printed: 07-06-2020 Sludge Page 1 of 1
The following Lagoon Sludge Nitrogen Utilization table provides an estimate of the number of acres needed for
sludge utilization for the indicated accumulation period. These estimates are based on average nitrogen
concentrations for each source, the number of animals in the facility and the plant available nitrogen application
rates shown in the second column.
Lagoon sludge contains nutrients and organic matter remaining after treatment and application of the effluent. At
clean out, this material must be utilized for crop production and applied at agronomic rates. In most cases, the
priority nutrient is nitrogen but other nutrients including phosphorous, copper and zinc can also be limiting. Since
nutrient levels are generally very high, application of sludge must be carefully applied.
Sites must first be evaluated for their suitability for sludge application. Ideally, effluent spray fields should not be
used for sludge application. If this is not possible, care should betaken not to load effluent application fields with
high amounts of copper and zinc so that additional effluent cannot be applied. On sites vulnerable to surface water
moving to streams and lakes, phosphorous is a concern. Soils containing very high phosphorous levels may also
be a concern.
Lagoon Sludge Nitrogen Utilization Table
Crop
Maximum
PA-N Rate
lb/ac
Maximum Sludge
Application Rate
1000 gal/ac
Minimum Acres
5 Years Accumulation
Minimum Acres
10 Years Accumulation
Minimum Acres
15 Years Accumulation
Swine Nursery Lagoon Sludge - Standard
Corn 120 bu
150
13.16
6.62
13.24
19.85
Hay 6 ton R.Y.E.
300
26.32
3.31
6.62
9.93
Soybean 40 bu
160
14.04
6.20
12.41
18.61
Swine Feeder -Finish Lagoon Sludge - Standard
Corn 120 bu
150
13.16
48.89
97.78
146.68
Hay 6 ton R.Y.E.
300
26.32
24.45
48.89
73.34
Soybean 40 bu
160
14.04
45.84
91.67
137.51
Preview Database Version 3.1 Date Printed: 07-06-2020 Sludge Page 1 of 1
The Available Waste Storage Capacity table provides an estimate ofthe number of days of storage
capacity available at the end of each month of the plan. Available storage capacity is calculated as the
design storage capacity in days minus the number of days of net storage volume accumulated. The start
date is a value entered by the user and is defined as the date prior to applying nutrients to the first crop in
the plan at which storage volume in the lagoon or holding pond is equal to zero.
Available storage capacity should be greater than or equal to zero and less than or equal to the design
storage capacity of the facility. If the available storage capacity is greater than the design storage
capacity, this indicates that the plan calls for the application of nutrients that have not yet accumulated.
If available storage capacity is negative, the estimated volume of accumulated waste exceeds the design
storage volume of the structure. Either of these situations indicates that the planned application interval
in the waste utilization plan is inconsistent with the structure's temporary storage capacity.
Available Waste Stora a Ca acit
Source Name I Swine Feeder -Finish Lagoon Liquid
Design Storage Capacity (Days)
Start Date 9/1
180
Plan Year
Month
Available Storage Capacity (Days)
1
1
28
1
2
55
1
3
79
1
4
104
1
5
128
1
6
153
1
7
122
1
8
91
1
9
99
1
10
87
1
11
76
1
12
64
2
1
52
2
2
43
2
3
31
2
4
70
2
5
100
2
6
131
2
7
161
2
8
180
2
9
180
2
10
149
2
11
119
2
12
88
* Available Storage Capacity is calculated as of the end of each month.
Preview Database Version 3.1 Date Printed: 07-06-2020 Capacity Page 1 of 2
Available Waste itcra�,e Canacity
Source Name
I Swine Nursery Lagoon Liquid
Design Storage Capacity (Days)
Start Date
9/1
180
Plan Year
Month
Available Storage Capacity (Days)
1
1
28
1
2
0
1
3
-31
1
4
-61
1
5
-92
1
6
-122
1
7
-153
1
8
-184
1
9
-214
1
10
-22
1
11
171
1
12
140
2
1
109
2
2
81
2
3
50
2
4
40
2
5
29
2
6
38
2
7
124
2
8
180
2
9
180
2
10
149
2
11
119
2
12
88
* Available Storage Capacity is calculated as of the end of each month.
Preview Database Version 3.1 Date Printed: 07-06-2020 Capacity Page 2 of 2
Required Specifications For Animal Waste Management
1. Animal waste shall not reach surface waters of the state by runoff, drift,
manmade conveyances, direct application, or direct discharge during
operation or land application. Any discharge of waste that reaches surface
water is prohibited.
2. There must be documentation in the design folder that the producer
either owns or has an agreement for use of adequate land on which to
properly apply the waste. If the producer does not own adequate land to
properly dispose of the waste, he/she shall provide evidence of an
agreement with a landowner, who is within a reasonable proximity,
allowing him/her the use of the land for waste application. It is the
responsibility of the owner of the waste production facility to secure an
update of the Nutrient Management Plan when there is a change in the
operation, increase in the number of animals, method of application,
receiving crop type, or available land.
3. Animal waste shall be applied to meet, but not exceed, the nitrogen needs
for realistic crop yields based upon soil type, available moisture, historical
data, climatic conditions, and level of management, unless there are
regulations that restrict the rate of applications for other nutrients.
4. Animal waste shall be applied to land eroding less than 5 tons per acre
per year. Waste may be applied to land eroding at more than 5 tons per
acre per year but less than 10 tons per acre per year provided grass filter
strips are installed where runoff leaves the field (see USDA, NRCS Field
Office Technical Guide Standard 393 - Filter Strips).
5. Odors can be reduced by injecting the waste or by disking after waste
application. Waste should not be applied when there is danger of drift
from the land application field.
6. When animal waste is to be applied on acres subject to flooding, waste
will be soil incorporated on conventionally tilled cropland. When waste is
applied to conservation tilled crops or grassland, the waste may be
broadcast provided the application does not occur during a season prone
to flooding (see "Weather and Climate in North Carolina" for guidance).
Preview Database Version 3.1 Date Printed: 7/6/2020 Specification PajZe 1
7. Liquid waste shall be applied at rates not to exceed the soil infiltration
rate such that runoff does not occur offsite or to surface waters and in a
method which does not cause drift from the site during application. No
ponding should occur in order to control odor and flies.
8. Animal waste shall not be applied to saturated soils, during rainfall
events, or when the soil surface is frozen.
9. Animal waste shall be applied on actively growing crops in such a manner
that the crop is not covered with waste to a depth that would inhibit
growth. The potential for salt damage from animal waste should also be
considered.
10. Nutrients from waste shall not be applied in fall or winter for spring
planted crops on soils with a high potential for leaching. Waste/nutrient
loading rates on these soils should be held to a minimum and a suitable
winter cover crop planted to take up released nutrients. Waste shall not
be applied more than 30 days prior to planting of the crop or forages
breaking dormancy.
11. Any new swine facility sited on or after October 1,1995 shall comply with
the following: The outer perimeter of the land area onto which waste is
applied from a lagoon that is a component of a swine farm shall be at least
50 feet from any residential property boundary and canal. Animal waste,
other than swine waste from facilities sited on or after October 1,1995,
shall not be applied closer that 25 feet to perennial waters.
12. Animal waste shall not be applied closer than 100 feet to wells.
13. Animal waste shall not be applied closer than 200 feet of dwellings other
than those owned by the landowner.
14. Waste shall be applied in a manner not to reach other property and
public right-of-ways.
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15. Animal waste shall not be discharged into surface waters, drainageways,
or wetlands by a discharge or by over -spraying. Animal waste may be
applied to prior converted cropland provided the fields have been
approved as a land application site by a "technical specialist". Animal
waste shall not be applied on grassed waterways that discharge directly
into water courses, and on other grassed waterways, waste shall be
applied at agronomic rates in a manner that causes no runoff or drift
from the site.
16. Domestic and industrial waste from washdown facilities, showers, toilets,
sinks, etc., shall not be discharged into the animal waste management
system.
17. A protective cover of appropriate vegetation will be established on all
disturbed areas (lagoon embankments, berms, pipe runs, etc.). Areas
shall be fenced, as necessary, to protect the vegetation. Vegetation such as
trees, shrubs, and other woody species, etc., are limited to areas where
considered appropriate. Lagoon areas should be kept mowed and
accessible. Berms and structures should be inspected regularly for
evidence of erosion, leakage, or discharge.
18. If animal production at the facility is to be suspended or terminated, the
owner is responsible for obtaining and implementing a "closure plan"
which will eliminate the possibility of an illegal discharge, pollution, and
erosion.
19. Waste handling structures, piping, pumps, reels, etc., should be inspected
on a regular basis to prevent breakdowns, leaks, and spills. A regular
maintenance checklist should be kept on site.
20. Animal waste can be used in a rotation that includes vegetables and other
crops for direct human consumption. However, if animal waste is used on
crops for direct human consumption, it should only be applied pre -plant
with no further applications of animal waste during the crop season.
21. Highly visible markers shall be installed to mark the top and bottom
elevations of the temporary storage (pumping volume) of all waste
treatment lagoons. Pumping shall be managed to maintain the liquid level
between the markers. A marker will be required to mark the maximum
storage volume for waste storage ponds.
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22. Waste shall be tested within 60 days of utilization and soil shall be tested
at least annually at crop sites where waste products are applied. Nitrogen
shall be the rate -determining nutrient, unless other restrictions require
waste to be applied based on other nutrients, resulting in a lower
application rate than a nitrogen based rate. Zinc and copper levels in the
soils shall be monitored and alternative crop sites shall be used when
these metals approach excessive levels. pH shall be adjusted and
maintained for optimum crop production. Soil and waste analysis
records shall be kept for a minimum of five years. Poultry dry waste
application records shall be maintained for a minimum of three years.
Waste application records for all other waste shall be maintained for five
(5) years.
23. Dead animals will be disposed of in a manner that meets North Carolina
regulations.
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Crop Notes
The following crop note applies to field(s): 10, 11, 12, 13, 14, 15, 1A, 1B, 2A, 213, 3, 4, 5, 6, 7A, 713, 9
Corn 1: CP, Mineral Soil, low -leachable
In the Coastal Plain, corn is normally planted when soil temperatures reach 52 to 55 degrees fahrenheit.
Review the Official Variety "green book" and information from private companies to select a high
yielding variety with the characteristics needed for your area and conditions. Plant 1-2" deep. Plant
populations should be determined by the hybrid being planted. Increase the seeding rate by 10% when
planting no -till. Phosphorus and potassium recommended by a soil test can be broadcast or banded at
planting. When planting early in cool, wet soil, banded phosphorus will be more available to the young
plants. An accepted practice is to apply 20-30 lbs/acre N and 20-30 lbs/acre phosphorus banded as a
starter and one-half the remaining N behind the planter. The rest of the N should be applied about 30-40
days after emergence. The total amount of N is dependent on soil type. When including a starter in the
fertilizer program, the recommended potassium and any additional phosphorus is normally broadcast at
planting. Plant samples can be analyzed during the growing season to monitor the overall nutrient status
of the corn. Timely management of weeds and insects are essential for corn production.
The following crop note applies to field(s): 10, 11, 12, 13, 14, 15, 1A, 1B, 2A, 213, 3, 4, 5, 6, 7A, 713, 9
Wheat: Coastal Plain, Mineral Soil, low -leachable
In the Coastal Plain, wheat should be planted from October 20-November 25. Plant 22 seed/drill row foot
at 1-1 1/2" deep and increase the seeding rate by 5% for each week seeding is delayed beyond the
optimum time. See the seeding rates table for applicable seeding rate modifications in the current NCSU
"Small Grain Production Guide". Also, increase the initial seeding rate by at least 10% when planting
no -till. Adequate depth control when planting the wheat is essential. Review the NCSU Official Variety
"green book" and information from private companies to select a high yielding variety with the
characteristics needed for your area and conditions. Apply no more than 30 lbs/acre N at planting.
Phosphorus and potash recommended by a soil test can also be applied at this time. The remaining N
should be applied during the months of February -March. The total N is dependent on the soil type. Plant
samples can be analyzed during the growing season to monitor the nutrient status of the wheat. Timely
management of diseases, insects and weeds are essential for profitable wheat production.
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The following crop note applies to field(s): 10, 11, 12, 13, 14, 15, IA, 111, 2A, 2B, 3, 4, 5, 6, 7A, 7B, 9
Double -Crop Soybeans, Coastal Plain: Mineral Soil, low -leachable
Double -crop soybeans should be planted as early in June as possible with planting completed by July 4th.
When no -tilling soybeans in small grain straw, it is essential to manage the straw to achieve adequate
plant populations. Review the NCSU Official Variety "green book" and information from private
companies to select a high yielding variety with the characteristics needed for your area and conditions.
Plant 2-4 seed/row foot for 7-8" drills; 4-6 seed/row foot for 15" rows; 6-8 seed/row foot for 30" rows
and 8-10 seed/row foot for 36" rows. Increase the seeding rate by at least 10% for no -till planting.
Seeding depth should be 1-1 1/2" and adequate depth control is essential. Phosphorus and potash
recommended for the soybeans can be applied to the wheat in the Fall. Soybeans produce their own
nitrogen and are normally grown without additions of nitrogen. However, applications of 20-301bs/acre
N are sometimes made at planting to promote early growth and vigor. Tissue samples can be analyzed
during the growing season to monitor the overall nutrient status of the soybeans. Timely management of
weeds and insects is essential for profitable double crop soybean production.
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S.2- z/v)
Version —November 26, 2018
lViortality Management Methods
Indicate which method(s) will be implemented.
When selecting multiple methods indicate a primary versus secondary option.
Methods other than those listed must be approved by the State Veterinarian.
Primary Secondary Routine Mortality
a Burial three feet beneath the surface of the ground within 24 hours of knowledge of animal
death. The burial must be at least 300 feet from any flowing stream or public body of water
(G.S.106-403). The bottom of the burial pit should beat least one foot above the seasonal
high water table. Attach burial location map and plan.
Landfill at municipal solid waste facility permitted by NC DEQ under GS 15A NCAC
13B .0200.
Rendering at a rendering plant licensed under G.S. 106-168.7.
Complete incineration according to 02 NCAC 52C .0102.
a ❑ A composting system approved and permitted by the NC Department of Agriculture & Con-
sumer Services Veterinary Division (attach copy of permit). If compost is distributed off -farm,
additional requirements must be met and a permit is required from NC DEQ.
In the case of dead poultry only, placing in a disposal pit of a size and design approved by the
NC Department of Agriculture & Consumer Services (G.S. 106-549.70).
aa Any method which, in the professional opinion of the State Veterinarian, would make possible
the salvage of part of a dead animal's value without endangering human or animal health.
(Written approval by the State Veterinarian must be attached).
Mass Mortality Plan
Mass mortality plans are required for farms covered by an NPDES permit. These plans are
also recommended for all animal operations. This plan outlines farm -specific mortality man-
agement methods to be used for mass mortality. The NCDA&CS Veterinary Division sup-
ports a variety of emergency mortality disposal options; contact the Division for guidance.
• A catastrophic mortality disposal plan is part of the facility's CAWMP and is activated
when numbers of dead animals exceed normal mortality rates as specified by the State
Veterinarian.
• Burial must be done in accordance with NC General Statutes and NCDA&CS Veterinary
Division regulations and guidance.
• Mass burial sites are subject to additional permit conditions (refer to facility's animal
waste management system permit).
• In the event of imminent threat of a disease emergency, the State Veterinarian may enact
additional temporary procedures or measures for disposal according to G.S. 106-399.4.
4-, (1, Mn-A"'
Signature of Farm Owner/Manager
of Technical Specialist
Date
A -d
o�- U
If
Date
INSECT CONTROL CHECKLIST FOR ANIMAL OPERATIONS
Source Cause BMP's to Minimize Odor Site Specific Practices
(Liquid Systems)
Flush Gutters Accumulation of solids Ai Flush system is designed and operated
sufficiently to remove accumulated
s Ids from gutters as designed.
Remove bridging of accumulated solids at
Lagoons and Pits Crusted Solids Maintain lagoons, settling basins and
pits where pest breeding is apparent to
minimize the crusting of solids to a depth
of no more than 6-8 inches over more than
3 X of surface,
Excessive Vegetative Decaying vegetation
Growth
Feeders
ad Storage
Animal Holding Areas
IC --November 11, 1996
Feed Spillage
Maintain vegetative control along banks of
lagoons and other impoundments to prevent
accumulation of decaying vegetative matter
along water's edge on impoundment's perimeter.
(Dry S
Design, operate and maintain feed systems (e.g.,
bunkers and troughs) to minimize the accumulation
of eying wastage.
lean spillage on a routine basis (e.g. 7-1 O day
int al during summer; 15-30 day interval during winter).
Accumulations of feed residues Reduce moisture accumulation within and around
immediate perimeter of feed storage areas by
insuring drainage away from site and/or providing
adequate containment (e.g., covered bin for
brewer's grain and similar high moisture grain
produ ts).
( pact for and remove or break up accumulated
solids in filter strips around feed storage as needed.
Accumulations of animal wastes Eliminate low area that trap moisture along fences
and feed wastage and other locations where waste accumulates and
and disturbance by animals is minimal.
aintain fence rows and filter strips around animal
holding areas to minimize accumulations of wastes
(i.e. inspect for and remove or break up accumulated
solids as needed).
Dry Manure Handling Accumulations of animal wastes 5 Remove spillage on a routine basis (e.g. 7-10 day
Systems interval during summer; 15-30 days interval during
wint ) where manure is loaded for land application
�Pd.
osal.
for �r.muate drainage around manure stockpiles.
t for oveor break up accumulated wastes
infilter.tripround stockpiles and manure handling
areas as needed.
The issues checked ( ) pertain to this operation. The landowner/integrator agrees to use sound judgment in applying
insect control measures as practical.
I certify the aforementioned insect control Best Management Practices have been reviewed with me.
�1Liitwner Signature) =>.
For more information contact the Cooperative Extension Service, Department of Entomology, Box 7613, North Carolina State University, Raleigh, NC
27695-7613.
AMIC--November 11, 1996
SWINE FARM WASTE MANAGEMENT ODOR CONTROL CHECKLIST
Source Cause BMP's .o Minimize Odor Site Specific Practices
Farmstead Swine production I Vegetative or wooded buffers;
Recommended best management
Good judgment and common sense
Animal body surfaces
Floor surfaces
Dirty manure -covered animals
Wet manure -covered floors
() Dry floors
SI led floors;
Waterers located over slotted floors;
I l Fecdars at high and of solid floors;
JAI S Pe manure buildup from floors;
Underfloor ventilation for drying
Manure collection pits
Urine
requent manure removal by flush,pit
rec etge,orscrape
Parital micorbiel decomposition
Underfloor ventilation
Ventilation exhaust fans
Volatile gases;
inte
Fan nance;
Dust
ficient air movement
Indoor surfaces
Dust
Washdown between groups of animals
() Feed additives;
1) Feeder covers;
() Feed delivery downspout extenders to
feeder covers
Flush tanks
Agitation of recycled lagoon
() Flush tank covers
liquid whiles tanks are filling
(► Extend fill lines to near bottom of
tank 'ith anti -siphon vents
Flush alleys
Agitation during wastewater
} Underfloor flush with underfloor
conveyanance
ventilation
Pit recharge points
Agitation of recycled lagoon
f) Extend rechard lines to near bottom of
liquid while pits are filling
pits with anti -siphon vents
Lift stations
Agitation during sump tank filling
() Sump tank covers
and drawdown
Outside drain collection
Agitation during wastewater
{) Box covers
or junction boxes
conveyance
End of drainpipes at lagoon
Agitation during wastewater
() Extend discharge point of pipes
underneath lagoon liquid level
Lagoon surfaces
Volatile gas emissions
( oper.lagoon liquid capacity
Biological mixing
orr Y'lagoon startup procedures
Agitation
( i i um surface area -to -volume ratio
Minimum agitation when pumping
() Mechanical aeration
() Proven biological additives
Irrigation sprinkler nozzles
High pressure agitation
Irri eon dry days with little or no wind
Wind draft
Minimum recommended operation pressure
( 1 Pump intake near lagoon liquid surface
(► Pump from second -stage lagoon
70C--Novembor 11. 1996
-- -
Storage tank or basin
Partial microbial decomposition
( ) Bottom or midlevel loading
>urface
Mixing while filling
I I Tank covers
Agitation when emptying
( ) Basin surface mats of solids
( I Proven biological additives or oxidants
Settling basin surface
Partial micobial decomposition
() Extend drainpipe outlets underneath liquid
Mixing while filling
level
Agitation when emptying
(I Remove settled solids regularly
Manure, slurry or sludge
Agitation when spreading
() Soil injection of slurry/sludges
spreader outlets
Volatile gas emissions
() Wash residual manure from spreader after use
() Proven biological additives or oxidants
Uncovered manure, slurry
Volatile gas emissions while drying
() Soil infection of slurry/sludges
or sludge on field surfaces
( ) Soil incorporation within 48 hours
() Spread in thin uniform layers for rapid drying
() Proven biological additives or oxidants
Dead animals
Carcass decomposition
Proper disposition of carcasses
Dead animal disposal
Carcass decomposition
() Complete covering of carcasses in burial pits
pits
() Proper location/construction of disposal pits
Incinerators
Incomplete combustion
() Secondary stack burners
Standing water around Improper drainage rade and landscape such that water drains
facilities Microbial decomposition of away from facilities
organic matter
Manure tracked onto public Poorly maintained access roads Farm access road maintenance
roads from farm access
Additional Information:
Available From:
Swine Manure Management; 0200 Rule/BMP Packet
Swine Production Farm Potential Odor Sources and Remedies, EBAE Fact Sheet
NCSU-County Extension Center
Swine Production Facility Manure Management: Pit Recharge --Lagoon Treatment; EBAE 128-88
NCSU-BAE
NCSU-BAE
Swine Production Facility Manure Management: Underfloor Fluse--Lagoon Treatment; EBAE 129-88
NCSU-BAE
Lagoon Desig and Management for Livestock Manure Treatment and Storage; EBAE 103-83
NCSU-BAE
Calibration of Manure and Wastewater Application Equipment; EBAE Fact Sheet
NCSU-BAE
Controlling Odors from Swine Buildings; PIH-33
Environmental Assuranc Program: NPPC Manual
NCSU-Swine Extension
Options for Managing Odor; a report from the Swine Odor Task Force
NC Pork Produces Assoc
Nuisance Concerns in Animal Manure Management: Odors and Flies; PR0107, 1995 Conference Proceedings
NCSU Agri Communications
Florida Cooperative Extension
The issues checked ( ) pertain to this operation. The landowner/integrator agrees to use sound judgment in applying
odor control measures as practical.
I certify the aforementioned odor control Best Managment Practices have been reviewed with me.
Landowner Signature).,
AMOC--November 11, 1996
System Calibration
Information presented in manufacturer's charts are based on average operation
conditions with relatively new equipment. Discharge rates and application rates
change over time as equipment gets older and components wear. In particular,
pump wear tends to reduce operating pressure and flow. With continued use,
nozzle wear results in an increase in the nozzle opening which will increase the
discharge rate while decreasing the wetted diameter.
You should be aware that operating the system differently than assumed in the
design will alter the application rate, diameter of coverage, and subsequently the
application uniformity. For example, operating the system with excessive pressure
results in smaller droplets, greater potential for drift, and accelerates wear of the
sprinkler nozzle. Clogging of nozzles can result in pressure increase. Plugged
intakes or crystallization of mainlines will reduce operating pressure. Operating
below design pressure greatly reduces the coverage diameter and application
uniformity.
For the above reason, you should calibrate your equipment on a regular basis to
ensure proper application rates and uniformity. Calibration at least once every
three years is recommended. Calibration involves collecting and measuring flow at
several locations in the application area. Any number of containers can be used to
collect flow and determine the application rate. Rain gauges work best because
they already have a graduated.scale from which to read the application amount
without having to perform additional calculations. However, pans, plastic buckets,
jars, or anything with a uniform opening and cross-section can be used provided
the liquid collected can be easily transferred to a scaled container for measuring.
For stationary sprinklers, collection containers should be located randomly
throughout the application area at several distances from sprinklers. For traveling
guns, sprinklers should be located along a transect perpendicular to the direction
of pull. Set out collection containers 25 feet apart along the transect on both
sides of the gun cart. You should compute the average application rate for all
nonuniformity of the application. On a windless day, variation between containers
of more than 30 percent is cause for concern. You should contact your irrigation
dealer or technical specialist for assistance.
'Reprinted for Certification Training for Operations of Animal Waste Management Systems Manual
OPERATION & MAINTENANCE PLAN
Proper lagoon liquid management should be a year-round priority. It is especiall
important to manage levels so that you do not have problems during extended rainy and
wet periods.
Maximum storage capacity should be available in the lagoon for periods when the
receiving crop is dormant (such as wintertime for bermudagrass) or when there are
extended rainy spells such as the thunderstorm season in the summertime. This means
that at the first signs of plant growth in the later winter/early spring, irrigation according to
a farm waste management plan should be done whenever the land is dry enough to
receive lagoon liquid. This will make storage space available in the lagoon for future wet
periods. In the late summer/early fall the lagoon should be pumped down to the low
marker (see Figure 2-1) to allow for winter storage. Every effort should be made to
maintain the lagoon close to the minimum liquid level as long as the weather and waste
utilization plan will allow it.
Waiting until the lagoon has reached its maximum storage capacity before starting to
irrigate does not leave room for storing excess water during extended wet periods.
Overflow from the lagoon for any reason except a 25-year, 24-hour storm is a violation of
state law and subject to penalty action.
The routine maintenance of a lagoon involves the following:
Maintenance of a vegetative cover for the dam.
Fescue or common bermudagrass are the most common vegetative
covers. The vegetation should be fertilized each year, if needed, to
maintain a vigorous stand. The amount of fertilizer applied should be
based on a soils test, but in the event that it is not practical to obtain
a soils test each year, the lagoon embankment and surrounding areas
should be fertilized with 800 pounds per acre of 10-10-10, or
equivalent.
Brush and trees on the embankment must be controlled. This may be
done by mowing, spraying, grazing, chopping, or a combination of
these practices. This should be done at least once a year and
possibly twice in years that weather conditions are favorable for
heavy vegetative growth.
NOTE: If vegetation is controlled by spraying, the herbicide must not be allowed to enter
the lagoon water. Such chemicals could harm the bacteria in the lagoon that are treating
the waste.
Maintenance inspections of the entire lagoon should be made during the initial filling of
the lagoon and at least monthly and after major rainfall and storm events. Items to be
checked should include, as a minimum, the following:
Waste Inlet Pipes, Recycling Pipes, and Overflow Pipes ---look for:
1. separation of joints
2. cracks or breaks
3. accumulation of salts or minerals
4. overall condition of pipes
Lagoon surface ---look for:
1. undesirable vegetative growth
2. floating or lodged debris
Embankment ---look for:
1. settlement, cracking, or "jug" holes
2. side slope stability ---slumps or bulges
3. wet or damp areas on the back slope
4. erosion due to lack of vegetation or as a result of wave action
5. rodent damage
Larger lagoons may be subject to liner damage due to wave action caused by strong
winds. These waves can erode the lagoon sidewalls, thereby weakening the lagoon dam.
A good stand of vegetation will reduce the potential damage caused by wave action. If
wave action causes serious damage to a lagoon sidewall, baffles in the lagoon may be
used to reduce the wave impacts.
Any of these features could lead to erosion and weakening of the dam. If your lagoon has
any of these features, you should call an appropriate expert familiar with design and
construction of waste lagoons. You may need to provide a temporary fix if there is a threat
of a waste discharge. However, a permanent solution should be reviewed by the
technical expert. Any digging into a lagoon dam with heavy equipment is a serious
undertaking with potentially serious consequences and should not be conducted unless
recommended by an appropriate technical expert.
Transfer Pumps ---check for proper operation of.-
1 . recycling pumps
2. irrigation pumps
Check for leaks, loose fittings, and overall pump operation. An unusually loud or grinding
noise, or a large amount of vibration, may indicate that the pump is in need or repair or
replacement.
NOTE: Pumping systems should be inspected and operated frequently enough so that you
are not completely "surprised" by equipment failure. You should perform your pumping
system maintenance at a time when your lagoon is at its low level. This will allow some
safety time should major repairs be required. Having a nearly full lagoon is not the time
to think about switching, repairing , or borrowing pumps. Probably, if your lagoon is full,
your neighbor's lagoon is full also. You should consider maintaining an inventory of spare
parts or pumps.
Surface water diversion features are designed to carry all surface
drainage waters (such as rainfall runoff, roof drainage, gutter outlets,
and parking lot runoff) away from your lagoon and other waste
treatment or storage structures. The only water that should be
coming from your lagoon is that which comes from your flushing
(washing) system pipes and the rainfall that hits the lagoon directly.
You should inspect your diversion system for the following:
1. adequate vegetation
2. diversion capacity
3. ridge berm height
Identified problems should be corrected promptly. It is advisable to inspect your system
during or immediately following a heavy rain. If technical assistance is needed to
determine proper solutions, consult with appropriate experts.
You should record the level of the lagoon just prior to when rain is predicted, and then
record the level again 4 to 6 hours after the rain (assumes there is no pumping). This will
give you an idea of how much your lagoon level will rise with a certain rainfall amount
(you must also be recording your rainfall for this to work). Knowing this should help in
planning irrigation applications and storage. If your lagoon rises excessively, you may
have an inflow problem from a surface water diversion or there may be seepage into the
lagoon from the surrounding land.
Lagoon Operation
Startup:
l . Immediately after construction establish a complete sod cover on bare soil
surfaces to avoid erosion.
2. Fill new lagoon design treatment volume at least half full of water before
waste loading begins, taking care not to erode lining or bank slopes.
3. Drainpipes into the lagoon should have a flexible pipe extender on the
end of the pipe to discharge near the bottom of the lagoon during initial
filling or another means of slowing the incoming water to avoid erosion of
the lining.
4. When possible, begin loading new lagoons in the spring to maximize
bacterial establishment (due to warmer weather).
5. It is recommended that a new lagoon be seeded with sludge from a healthy
working swine lagoon in the amount of 0.25 percent of the full lagoon
liquid volume. This seeding should occour at least two weeks prior to the
addition of wastewater.
6. Maintain a periodic check on the lagoon liquid pH. If the pH falls below
7.0, add agricultural lime at the rate of 1 pound per 1000 cubic feet of
lagoon liquid volume until the pH rises above 7.0. Optimum lagoon liquid
pH is between 7.5 and 8.0.
7. A dark color, lack of bubbling, and excessive odor signals inadequate
biological activity. Consultation with a technical specialist is recommended
if these conditions occur for prolonged periods, especially during the warm
season.
Loading:
The more frequently and regularly that wastewater is added to a lagoon, the better the
lagoon will function. Flush systems that wash waste into the lagoon several times daily are
optimum for treatment. Pit recharge systems, in which one or more buildings are drained
and recharged each day, also work well.
Practice water conservation ---minimize building water usage and
spillage from leaking waterers, broken pipes and washdown through
proper maintenance and water conservation.
Minimize feed wastage and spillage by keeping feeders adjusted. This
will reduce the amount of solids entering the lagoon
Management:
Maintain lagoon liquid level between the permanent storage level and
the full temporary storage level.
Place visible markers or stakes on the lagoon bank to show the
minimum liquid level and the maximum liquid lever (Figure 2-1).
Start irrigating at the earliest possible date in the spring based on
nutrient requirements and soil moisture so that temporary storage
will be maximized for the summer thunderstorm season. Similarly,
irrigate in the late summer/early fall to provide maximum lagoon
storage for the winter.
The lagoon liquid level should never be closer than 1 foot to the lowest
point of the dam or embankment.
Do not pump the lagoon liquid level lower that the permanent storage
level unless you are removing sludge.
Locate float pump intakes approximately 18 inches underneath the liquid
surface and as far away from the drainpipe inlets as possible.
Prevent additions of bedding materials, long-stemmed forage or vegetation,
molded feed, plastic syringes, or other foreign materials into the lagoon.
Frequently remove solids from catch basins at end of confinement houses or
wherever they are installed.
Maintain strict vegetation, rodent, and varmint control near lagoon edges.
Do not allow trees or large bushes to grow on lagoon dam or embankment.
Remove sludge from the Iagoon either when the sludge storage capacity is
full or before it fills 50 percent of the permanent storage volume.
If animal production is to be terminated, the owner is responsible for
obtaining and implementing a closure plan to eliminate the possibility of a
pollutant discharge.
Sludge Removal:
Rate of lagoon sludge buildup can be reduced by:
proper lagoon sizing,
mechanical solids separation of flushed waste,
gravity settling of flushed waste solids in an appropriately designed basin, or
minimizing feed wastage and spillage.
Lagoon sludge that is removed annually rather than stored long term will:
have more nutrients,
have more odor, and
require more land to properly use the nutrients.
Removal techniques:
Hire a custom applicator
Mix the sludge and lagoon liquid with a chopper -agitator impeller
pump through large -bore sprinkler irrigation system onto nearby cropland;
and soil incorporate.
Dewater the upper part of lagoon by irrigation onto nearby cropland or
forageland; mix remaining sludge; pump into liquid sludge applicator; haul
and spread onto cropland or forageland; and soil incorporate.
Dewater the upper part of lagoon by irrigation onto nearby cropland or
forageland; dredge sludge from lagoon with dragline or sludge barge; berm
an area beside lagoon to receive the sludge, so that liquids can drain back
into lagoon; allow sludge to dewater; haul and spread with manure spreader
onto cropland or forageland; and soil incorporate.
Regardless of the method, you must have the sludge material analyzed for waste
constituents just as you would your lagoon water. The sludge will contain different
nutrient and metal values from the liquid. The application of the sludge to fields will be
limited by these nutrients as well as any previous waste applications to that field and crop
requirement. Waste application rates will be discussed in detail in Chapter 3.
When removing sludge, you must also pay attention to the liner to prevent damage. Close
attention by the pumper or drag -line operator will ensure that the lagoon liner remains
intact. If you see soil material or the synthetic liner material being disturbed, you should
stop the activity immediately and not resume until you are sure that the sludge can be
removed without liner injury. If the liner is damaged it must be repaired as soon as
possible.
Sludge removed from the lagoon has a much higher phosphorus and heavy metal content
than liquid. Because of this it should probably be applied to land with low phosphorus
and metal levels, as indicated by a soil test, and incorporated to reduce the chance of
erosion. Note that if the sludge is applied to fields with very high soil -test phosphores, it
should be applied only at rates equal to the crop removal of phosphorus. As with other
wastes, always have your lagoon sludge analyzed for its nutrient value.
The application of sludge will increase the amount of odor at the waste application site.
Extra precaution should be used to observe the wind direction and other conditions which
could increase the concern of neighbors.
Possible Causes of Lagoon Failure
Lagoon failures result in the unplanned discharge of wastewater from the structure. Types
of failures include leakage through the bottom or sides, overtopping, and breach of the
dam. Assuming proper design and construction, .the owner has the responsibility for
ensuring structure safety. Items which may lead to lagoon failures include:
Modification of the lagoon structure ---an example is the placement of a pipe
in the dam without proper design and construction. (Consult an expert in
lagoon design before placing any pipes in dams.)
Lagoon liquid levels ---high levels are a safety risk.
Failure to inspect and maintain the dam.
Excess surface water flowing into the lagoon.
Liner integrity ---protect from inlet pipe scouring, damage during sludge
removal, or rupture from lowering lagoon liquid level below groundwater
table.
NOTE: If lagoon water is allowed to overtop the dam, the moving water will soon cause
gullies to form in the dam. Once this damage starts, it can quickly cause a large discharge
Of wastewater and possible dam failure.