HomeMy WebLinkAbout090111_Application_20240312 -(A RECEIVED
MAR 12 2024
ROY COOPER
Governor 4
EUZABETH S.BISER NC DECK/DWR
Secretary Central Office
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
February 12,2024
Charles Matthew Hardee
Rainbow Family Farm,LLC
285 Hayfield St
Elizabethtown,NC 28337
Subject: Application for Renewal of Coverage for Expiring State General Permit
Dear Permittee:
Your facility is currently approved for operation under one of the Animal Waste Operation State Non-Discharge General Permits,
which expire on September 30, 2024. In order to ensure your continued coverage under the State Non-Discharge General_
Permits you must submit an application for permit coverage to the Division of Water Resources 1 UWR)by April 3.2024.
Enclosed you will find a 'Request for Certificate of Coverage for Facility Currently Covered by an Expiring State
Non-Discharge General Permit."The application form must be completed, signed by the Permittee,and returned to the DWR by
April 3,2024.
Mailing Address: NCDEQ-DWR
Animal Feeding Operations Program
1636 Mail Service Center
Raleigh,North Carolina 27699 1636
Email:animal.operations(a)-dea.nc.gov
phone:(919)707 9129
Please note that you must include E �e (1) cony of the Certified Animal Waste Management Plan (CAWMP) with the
completed and signed app. ition m. A list of items included in the CAWMP can be found on page 2 of the renewal
application form.
Failure to request renewal of yo, rove, under a general permit within the time period specified may result in a civil penalty.
Operation of your facility without coverage under a valid general permit would constitute a violation of NC G.S. § 143-215.1
and could result in assessments of civil penalties of up to$25,000 per day.
Copies of the animal waste operation State Non-Discharge General Permits are available at
www.deg.nc.gov/animalpennits2024.General permits can be requested by writing to the address above.
If you have any questions about the State Non-Discharge General Permits,the enclosed application,or any related matter please
feel free to contact the Animal Feeding Operations Branch staff at 919-707-9129.
Sincerely,
Michael Pjetraj,Deputy Director
Division of Water Resources
Enclosures: Request for Certificate of Coverage for Facility Currently Covered by an Expiring State Non-Discharge
General Permit
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1 32?Earth Salisburs Street 1636 Mikii Seniae Centir 1laidgh,North Carolina 27699.1636
919 70'9129
State of North Carolina
Department of Environmental Quality
Division of Water Resources
Animal Waste Management Systems
Request for Certification of Coverage
Facility Currently covered by an Expiring Sate Non-Discharge General Permit
On September 30,2024,the North Carolina State Non-Discharge General Permits for Animal Waste Management Systems will
expire. As required by these permits, facilities that have been issued Certificates of Coverage to operate under these State
Non-Discharge General Permits must apply for renewal at least 180 days prior to their expiration date. Therefore,all applications
must be received by the Division of Water Resources by no later than April 3,2024.
Please do not leave any question unanswered Please verify all information and make any necessary corrections below.
Application must be signed and dated by the Permittee.
1. Certificate Of Coverage Number: AWS090111
2. Facility Name: Rainbow Family Farm.LLC
3. Permittee's Name(same as on the Waste Management Plan): Charles Matthew Hardee
4. Permittee's Mailing Address: 285 Hayfield St
City: Elizabethtown State: NC Zip: 28337
Telephone Number: 910-879-2624 Ext. E-mail: mhardee001na.email.com
5. Facility's Physical Address: 529 Pineland Grain Rd
City: Elizabethtown State: NC Zip: 28337
6. County where Facility is located: Bladen
7. Farm Manager's Name(if different from Landowner):
8. Farm Manager's telephone number(include area code):
9. Integrator's Name(if there is not an Integrator,write'None"): Prestage Farms Inc
10. Operator Name(OIC): Charles Matthew Hardee Jr. Phone No.: 910-879-2624 OIC#: 997068
11. Lessee's Name(if there is not a Lessee,write"None"): 14 c t4 E
12. Indicate animal operation type and number:
Current Permit: Operations Type Allowable Count
Swine-Feeder to Finish 4,089
Operation Types:
Swine Cattle Dry Poultry Other Types
Wean to Finish Dairy Calf Non Laying Chickens Horses-Horses
Wean to Feeder Dairy Heifer Laying Chickens Horses-Other
Farrow to Finish Milk Cow Pullets Sheep-Sheep
Feeder to Finish Dry Cow Turkeys Sheep-Other
Farrow to Wean Beef Stocker Calf Turkey Pullet
Farrow to Feeder Beef Feeder
Boar/Stud Beef Broad Cow Wet Poultry
Gilts Other Non Laying Pullet
Other Layers
13. Waste Treatment Lagoons,Digesters and Waste Storage Ponds(WSP):(Fill/Verify the following information.
Make all necessay corrections and provide missing data.)
Structure Type Estimated Liner Type Estimated Design Freeboard
Structure (Lagoon/Digester/ Date (Clay,Synthetic, Capacity Surface Area 'Redline"
Name WSP) Built Unknown) (Cubic Feet) (Square Feet) (Inches)
A Lagoon 12/21/1995 Full,clay 506,763.00 73,125.00 19.00
B Lagoon 8/31/1995 Full,clay 368,523.00 55,125.00 19.00
P-56A Lagoon 78,408.00
P-56B Lagoon 56,628.00
Submit one (1) copy of the Certified Animal Waste Management Plan (CAWMP) with this completed and signed
application as required by NC General Statutes 143-215.10C(d),either by mailing to the address below or sending it via
email to the email address below.
The CAWMP must include the following components:
1.The most recent Waste Utilization Plan(WUP),signed by the owner and a certified technical specialist,containing:
a. The method by which waste is applied to the disposal fields(e.g.irrigation,injection,etc.)
b. A map of every field used for land application(for example:irrigation map)
c. The soil series present on every land application field
d. The crops grown on every land application field
e. The Realistic Yield Expectation(RYE)for every crop shown in the WUP
f. The maximum PAN to be applied to every land application field
g. The waste application windows for every crop utilized in the WUP
h. The required NRCS Standard specifications
2.A site map/schematic
3.Emergency Action Plan
4.Insect Control Checklist with chosen best management practices noted
5.Odor Control Checklist with chosen best management practices noted
6.Mortality Control Checklist with selected method noted-Use the enclosed updated Mortality Control Checklist
7.Lagoon/storage pond capacity documentation(design,calculations,etc.) Please be sure the above table is
accurate and complete. Also provide any site evaluations,wetland determinations,or hazard classifications that may be
applicable to your facility.
8.Operation and Maintenance Plan
If your CAWMP includes any components not shown on this list, please include the additional components with your submittal.
(e.g.composting,digesters,solids separators,sludge drying system,waste transfers,etc.)
I attest that this application has been reviewed by me and is accurate and complete to the best of my knowledge. I understand that,
if all required parts of this application are not completed and that if all required supporting information and attachments are not
included,this application package will be returned to me as incomplete.
Note: In accordance with NC General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false
statement, representation, or certification in any application may be subject to civil penalties up to $25,000 per violation. (18
U.S.C.Section 1001 provides a punishment by a fine of not more than$10,000 or imprisonment of not more than 5 years,or both
for a similar offense.)
Print the Name of the Permittee/Landowner/Signing Official and Sign below.(If multiple Landowners exist,all landowners
should sign. If Landowner is a corporation,signature should be by a principal executive officer of the corporation):
Name(Print): �is.�►'� t"1 Title: 0(_."o'p—C
Signature: Date: 3-5- ab,�A
Name(Print): Title:
Signature: Date:
Name(Print): Title:
Signature: Date:
THE COMPLETED APPLICATION SHOULD BE SENT TO THE FOLLOWING ADDRESS:
E-mail: animal.operations@deq.nc.gov
NCDEQ-DWR
Animal Feeding Operations Program
1636 Mail Service Center
Raleigh,North Carolina 27699-1636
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Waste Utilization Plan
Producer: Matt Hardee County: Bladen
---Name of Farm: Rainbow Family Farms, LLC
� )cation: e J-$S' Itle�ilr� c�-t-.
Elizabethtown NC 28337
Phone: 91�o-;4&949 11«— rr°l�'-a t-:L
Type of Operation: Feed-Finish
Number of Animal: 4089
Storage Structure: Anaerobic Lagoon
Method of Application: Irrigation
Amount of waste produced per year: 7769 ton/year ✓
Amount of plant available N(PAN)produced/year: 7360 lbs./year
The waste from your animal facility must be land applied at a specified rate to prevent
pollution of surface water and/or groundwater.The plant nutrients in the animal waste
should be used to reduce the amount of commercial fertilizer required for the crops in the
fields where the waste is to be applied.
This waste utilization plan uses nitrogen as the limiting nutrient.Waste should be analyzed
before each application cycle.Annual soil tests are strongly encouraged so that all plant
nutrients can be balanced for realistic yields of the crop to be grown.
Several factors are important in the implementing your waste utilization plan in order to
maximize the fertilizer value of the waste and to ensure that it is applied in an environmentally
safe manner.
1. Always apply waste based on the needs of the crop to be grown and the nutrient
content of the waste. Do not apply more nitrogen than the crop can utilize.
2. Soil types are important as they have different infiltration rates, leaching potentials,
cation exchange capacities,and available water holding capacities.
3. Normally waste shall not be applied to land eroding at more than 5 tons per acre per
year.Waste may be applied to land eroding at 5 or more tons per acre annually,but
less than 10 tons per acre per year providing that adequate filter strips are
established.
4. Do not apply waste on saturated soils,when it is raining,or when the surface is
frozen.Either of these conditions may in runoff to the surface waters which is not
allowed under DWQ regulations.
5. Wind conditions should also be considered to avoid drift and downwind odor problems.
6. To maximize the value of the nutrients for crops production and to reduce the potential for
pollution,the waste should be applied to a growing crop or applied not more than 30 days
prior to planting a crop or forages breaking dormancy. Injecting the waste or disking will
conserve nutrients and reduce odor problems.
This plan is based on the waste application method shown above. If you choose to change methods
in the future,you need to revise this plan. Nutrient levels for different applications methods are
not the same.
The estimated acres needed to apply the animal waste is based on typical.nutrient content for
this type of facility.Acreage requirements should be based on the waste analysis report from
your waste management facility.In some cases you may want to have plant analysis made,which
Rainbow Family Farms,LLC Page 2
could allow additional waste to be applied. Provisions shall be made for the area receiving
waste to be flexible so as to accommodate changing waste analysis content and the crop type.
.me must be applied to maintain pH in the optimum range for specific crop production.This
waste utilization plan, if carried out,meets the requirements for compliance with 15A NCAC
2H.0217 adopted by the Environmental Management Commission.
YOUR WASTE UTILIZATION PLAN IS BASED ON THE FOLLOWING:
Tract No. Field No. Soil Type Crop Yield/Ac Lbs.N Acres Lbs N Month to Lbs.N
Code unit Used Apply Per Ac.
11687 1 NoA CB-Hay 6.S 46 17.4 5203 MAR-SEP 299
11687 1 NoA SG-OS 1.0 50 17.4 870 OCT-MAR
Total 23.3 81321bs.
Available Nitrogen 7360 lbs.
Surplus or deficit -772 lbs.
Applying the above amount of waste is a big job.You should plan time and have appropriate equipment to apply
the waste in a timely manner.
*Waste will be applied on Field No.2 with a honey wagon when needed.
Rainbow Family Farms, LLC Page 3
The applicator is cautioned that P and K may be over applied while meeting the N requirements. In the future,
-regulations may require farmers in some parts of North Carolina to have a nutrient management plan that
'ddresses all nutrients.This plan only addresses nitrogen.
In interplanted fields(i.e.small grain,etc.interseeded in bermudagrass),forage must be removed through
grazing,hay and/or silage.Where grazing, plants should be grazed when they reach a height of six to nine
inches.Cattle should be removed when plants are grazed to a height of four inches. In fields where small grain
etc.is to be removed for hay or silage,care should be exercised not to let small grain to reach materity,
especially late in the season (i.e.April or May)Shading may result if small grain gets too high and this will
definitely interfere with the stand of bermudagrass.This loss of stand will result in reduced yields and less
nitrogen being utilized.Rather than cutting small grain for hay or silage just before heading as is the normal
situation,you are encouraged to cut the small grain earlier.You may want to consider harvesting hay or silage
two to three times during the season,depending on the time small grain is planted in the fall.
The ideal time to interplant small grain,etc.is late September or early October. Drilling is recommended over
broadcasting. Bermudagrass should be grazed or mowed to a height of about two inches before drilling for best
results.
Caution must be exercised in grazing or haying summer annuals under stressed conditions.Nitrate poisoning
may occur in livestock.Sampling forage or hay for nitrate levels is recommended.
Acres shown in the tables are considered to be the usable acres excluding required buffers,filters strips along
ditches,odd areas unable to be irrigated, and perimeter areas not receiving full application rates due to
equipment limitations.Actual total acres in the field listed may,and most likely will be, more than the acres
shown in the tables.
See attached map showing the fields to be used for the utilization of animal waste.
SLUDGE APPLICATION:
The waste utilization plan'must contain provisions for periodic land application of sludge at agronomic rates.
The sludge will be nutrient rich and will require precautionary measures to prevent over application of nutrients
or other elements.Your production facility will produce approximately 41708 lbs.of plant available
nitrogen per year in the sludge.
If you remove sludge every 5 years you will have approximately 208539 lbs.of PAN to utilize.Assuming
you apply this PAN to hybrid bermudagrass hayland at the rate of 300 lbs/acre you will need 695
acres of land. if you apply the sludge to corn at the rate of 125 lbs.of nitrogen per acre you will need 1668
acres of land. Please be aware that these are only estmates of the PAN and the land needed.Actual
requirements could vary by 25%depending on the sludge waste analysis, soil types, realistic yields,and
application methods.
APPLICATION OF WASTE BY IRRIGATION
The irrigation application rate should not exceed the intake rate of the soil at the time of irrigation such that
runoff or ponding occurs.This rate is limited by initial soil moisture content,soil structure,soil texture,water
droplet size,and organic solids.The application amount should not exceed the available water holding capacity
Rainbow Family Farms, LLC Page 4
of the soil at the time of irrigation nor should the plant available nitrogen applied exceed the nitrogen needs of
the crop.
If surface irrigation is the method of land application for this plan,it is the responsibility of the producer and
irrigation designer to ensure that an irrigation system is installed to properly irrrigate the acres shown in tables.
Failure to apply the recommended rates and amounts of nitrogen shown in the tables may make this plan
invalid.
The following table is provided as a guide for establishing application rates and amounts.
Tract No. Field No. Soil Type Crop Applic. Applic.
Code Rate(in/hr) Amount
298 1 NoA CB-Hay 0.5 1.0
298 1 NoA SG-OS 0.5 1.0
298 * 2 NoA CB-Ha 0.5 1.0
298 * 2 NoA SG-OS 0.5 1.0
Rainbow Family Farms, LLC Page 5
-pis is the maximum application amount allowed for the soil assuming the amount of nitrogen allowed for the
jp is not over applied.In many situations the application amount shown cannot be applied because of the
nitrogen limitations.The maximum application amount shown can be applied under optimum soil conditions.
Your facility is designed for 180 days of temporary storage and the temporary storage must be removed on the
average of once every 6 months.In no instances should the volume of the waste be stored in your structure
be within the 25 year 24 hour storm storage or one foot of freeboard except in the event of the 25 year 24 hour
storm.
it is the responsibility of the producer and the waste applicator to ensure that the spreader equipment is operated
properly to apply the correct rates shown in the tables.Failure to apply the recommended rates and amounts of
nitrogen shown in the tables may make this plan invalid.
Call your technical specialist after you have receive the waste analysis report for assistance in determining the
amount of waste per acre and the proper application rate prior to appling the waste.
NARRATIVE OF OPERATION
The cropping system as specified in the waste utilization plan has not been established on Field 2 and the
owner has committed to establish the vegetation as specified in the plan by April 30th 2013.
Rainbow Family Farms,LLC Page 6
WASTE UTILIZATION PLAN
REQUIRED SPECIFICATIONS
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 which 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 waste.If the producer
does not own adequate land to properly dispose of waste, he/she shall provide a copy of
an agreement with a Iandowner 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 facility to
secure an update of the Waste'Utilization Plan when there is a change in the operation,
increase in the number of animals,method of utilization,or available land.
3. Animal waste shall be applied to meet, but not exceed,the nitrogen needs for realistic crop
yields based on soil type,available moisture,historical data,climatic conditions,and level
of management,unless there are regulations that restrict the rate of application 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 that is eroding at 5 or more tons, but less than 10 tons per acre per
year providing grass filter strips are installed where runoff leaves the field. (See FOTG
standard 393-Filter Strip).
5. Odors can be reduced by injecting the waste or disking after waste application.Waste
should not be applied when there is danger of drift from the irrigation field.
6. When animal waste is to be applied on acres subject to flooding,it will be soil incorporated
on conventionally tilled cropland.When 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.)
7. Liquid waste shall be applied at rates not to exceed the soil infiltration rate that runoff
does not occur offsite or to the 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 or flies.
8. Animal waste shall not be applied to saturated soils,during rainfall events,or when the
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. Waste nutrients shall not be applied in fall or winter for spring planted crops on soils with a
high potentual 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 residenrial property boundary
and from any perennial stream or river(other than an irrigation ditch or canal.Animal
waste other than swine waste from facilities sited on or after October 1, 1995),shall not be
applied closer than 25 feet to perennial waters. (See Standard 393-Filter Strips).
Rainbow Family Farms, LLC Page 7
REQUIRED SPECIFICATIONS
(continued)
3
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 he landowner.
14. Waste shall be applied in a manner not to reach other property and public right-of-ways.
15. Animal waste shall not be discharged into surface waters,drainageways,or wetlands by
discharge or by over-spraying.Animal waste may be applied to prior converted wetlands
provided they 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 vegtation 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 evidences 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 illigal 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 vegetation 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 the 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.
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
element.Zinc and copper levels in the soil shall be monitored and alternative crop sites
shall be used when these metal approach excessive levels.pH shall be adjusted for
optimum crop production and maintained.Soil and waste analysis records shall be kept
for five(5)years. Poultry dry waste application records shall be maintained for three(3)
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.
Page 8
WASTE UTILIZATION PLAN AGREEMENT
lame of Farm: Rainbow Family Farms, LLC
Owner/Manager Agreement Matt Hardee
I(we) understand and will follow and implement the specifications and the operation and maintenance proce-
dures established in the approved animal waste utilization plan for the farm named above. I (we)know that any
expansion to the existing design capacity of the waste treatment and storage system or construction of new
facilities will require a new certification to be submitted to the North Carolina Division of Water Quality
before the new animals are stocked. I(we)also understand that there must be no discharge of animal waste
from this system to the surface waters of the state from a storm event less severe than the 25-year,24 hour
storm.The approved plan will be filed on-site at the farm office and at the office of the local Soil and Water
Conservation District and will be available for review by NCDWQ upon request.
Name of Facility Owner: ardee
Signature: Y71 att H Date: T Lr/2__
Name of Manager(If different from owner)
Signature: Date:
Name of Person Preparing Plan: G.Glenn Clifton
Affiliation: Prestage Farms, Inc. Phone: 910-596-5749
Address: P.O. Box 438
Clinton, NC 28329
Signature: 24. C24� C(-- Date: )Z 1L.L.
Waste Utilization Agreement
(Third Party Receiver Agreement)
I. Prestage Farms, Inc., hereby agree to apply waste generated by Rainbow
Family Farm, LLC., in a manner that meets the Waste Utilization Standard (633),
or use an alternative waste utilization system that has been accepted in writing
by the Division of Water Quality.
Third Party Receiver - Date ,' s
Prestage Farms, Inc.
By: Zack McCullen, III
i
Term of Agreement: //a to
� r
STATE OF NORTH CAROLINA
COUNTY OF
I Katheen Knowles, a Notary Public of said County, do hereby certify that Zack
McCullen, III, personally appeared before me this day and acknowledged the due
execution of the foregoing instrument.
WITNESS my hand and official seal this day of , 20
My commission expires
(SEAL),
Katheen C. Knowles
Notary Public
PAT MCCRORY
Govtemor
DONALD R. VAN DER VAART
Secretary
WaterResources S. JAY ZIMMERMAN
ENVIRONMENTAL QUALITY
e
Director
October 19,2016
MEMORANUDUM
To: Animal Waste Technical Specialists
Animal Operation Permit Holders
From: Jon Risgaard,Section Chief LE
Water Quality Regional Ope )Section
Re: Application Window for Bermuda-Extension
Due t6 heavy rainfall events in North Carolina in recent weeks,and additional impacts from Hurricane
Matthew,which necessitated Executive Order No. 107—Declaration of a State of Emergency,many
animal waste lagoons are still at or near their freeboard limits.Animal.operations are no longer able to
apply waste on their Bermuda crops due to expiration of the associated application windows.
By and through this memo,the Division of Water Resources(DWR)will further extend the application
window for Bermuda grass until October 31,2016 for all North Carolina counties,provided the site has
not experienced a frost prior to that date.
Please refer to the attached memo for the conditions of this extension.
If you have any questions related to this extension and how it may apply,please contact J.R. Joshi at
(919) 807-6341.
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State of North Carolina I Environmental Quality I Water Remunm
1636 Mam1 service Center I Raleigh,North Carolina 27699-I536
919 707 9219
EMERGENCY ACTION PLAN
PHONE NUMBERS
DIVISION OF WATER QUALITY(DWQ) 9�0"
EMERGENCY MANAGEMENT SERVICES (EMS) 11
SOIL AND WATER CONSERVATION DISTRICT (SWCD) 9/0 -8(c2. 317-Fty+ 3
NATURAL RESOURCES CONSERVATION SERVICE (NRCS) 9/0' $62-317? eW4. 3
COOPERATIVE EXTENSION SERVICE (CES) IN-9 4.2-y59/
This plan will be implemented in the event that wastes from your operation are leaking,
overflowing or running off site. You should not wait until wastes teach surface waters or
leave your property to consider that you have a problem. You should make every effort to
ensure that this does not happen. This plan should be posted in an accessible location
for all employees at the facility. The following are some action items you should take.
1. Stop the release of wastes. Depending on the situation,this may or may not be possible. Suggested
responses to some possible problems are listed below.
A. Lagoon overflow-possible solutions are:
a) Add soil to berm to increase elevation of dam.
b) Pump wastes to fields at an acceptable rate.
c) Stop all flow to the lagoon immediately.
d) Call a pumping contractor.
e) Make sure no surface water is entering lagoon.
B. Runoff from waste application field-actions include:
a) Immediately stop waste application. .
b) Create a temporary diversion to contain waste.
c) Incorporate waste to reduce runoff.
d) Evaluate and eliminate the reason(s)that cause the runoff.
e) Evaluate the application rates for the fields where runoff occurred.
C. Leakage from the waste pipes and sprinklers-action include:
a) Stop recycle pump.
b) Stop irrigation pump.
c) Close valves to eliminate further discharge.
d) Repair all leaks prior to restarting pumps.
D. Leakage from flush systems,houses,solid separators-action include:
a) Stop recycle pump.
b) Stop irrigation pump.
c) Make sure siphon occurs.
d) Stop all flow in the house,flush systems,or solid separators.
E. Leakage from base or sidewall of lagoon. Often this is seepage as opposed to flowing leaks-
possible action:
a) Dig a small sump or ditch from the embankment to catch all seepage, put in a submersible
pump, and pump back to lagoon.
b) If holes are caused by burrowing animals,trap or remove animals and fill holes and
compact with a clay type soil.
c) Have a professional evaluate the condition of the side walls and the lagoon bottom as soon
as possible.
8
2. Assess the extent of the spill and note any obvious damages.
a. Did the waste reach surface waters?
b. Approximately how much was released and for what duration?
c. Any damage notes, such as employee injury, fish kills, or property damage?
d. Did the spill leave the property'?
e. Does the spill have the potential to reach surface waters?
f. Could a future rain event cause the spill to reach surface waters?
g. Are potable water wells in danger(either on or off the property)?
h. How much reached surface waters?
3. Contact appropriate agencies.
a. During normal business hours call your DWQ regional office} Phone #. After hours,
emergency number. (910) 433-3300. Your phone call should include: your name, facility
number, telephone number, the details of the incident from item 2 above, the exact
location of the facility, the location or direction of the movement of the spill, weather and
wind conditions. The corrective measures that have been under taken, and the
seriousness of the situation.
b. If the spill leaves property or enters surface waters, call local EMS phone number.
c. Instruct EMS to contact local Health Department
d. Contact CE's phone number, local SWCD office phone number and the local NRCS
office for advice/technical assistance phone number.
4. If none of the above works call 911 or the Sheriffs Department and explain your problem to
them and ask the person to contact the proper agencies for you.
5. Contact the contractor of your choice to begin repair or problem to minimize offsite damage.
a. Contractors Name:
b. Contractors Address:
c . Contractors Phone:
6. Contact the technical specialist who certified the lagoon (NRCS, Consulting Engineer, etc.)
a_ Name:
b. Phone:
7. Implement procedures as advised by DWQ and technical assistance agencies to rectify the
damage, repair the system, and reassess the waste management plan to keep problems
with release of wastes from happening again.
9
Version—November 26,2018
C urm,� Mortality 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
Q 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 be at 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 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. ai ova fo 2
❑ 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).
a Any method which,in the professional opinioni.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
addi anal temporary procedures or measures for disposal according to G.S. 106-399.4.
�-
�� 2
Signature of Farm Owner/Manager Date
Signat 4 e of Technical Specialist Date
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Operator:MATT HARDEE County: BLADEN Date: 12/21/95
EXPANSIONevaTMC i-Ar.6Vn
Distance to nearest residence (other than owner) : 1800.0 feet
1 . AVERAGE LIVE WEIGHT (ALW)
0 sows ( farrow to finish) x 1417 lbs. = 0 lbs
0 sows ( farrow to feeder) x 522 lbs. = 0 lbs
0 head ( finishing only ) x 135 lbs. = 0 lbs
695 sows ( farrow to wean ) x 433 lbs. = 300935 lbs
0 head (wean to feeder) x 30 lbs. = 0 lbs
Describe other : 9S : 0
Total Average Live Weight = 300935 lbs
2. MINIMUM REQUIRED TREATMENT VOLUME OF LAGOON
Volume = 300935 lbs. ALW x Treatment Volume(CF) /lb. ALW
Treatment Volume(CF) /lb. ALW = 1 CF/lb. ALW
Volume = 300935 cubic feet
3. STORAGE VOLUME FOR SLUDGE ACCUMULATION
SLUDGE ACCUMULATION NOT COMPUTED
Volume = 0.0 cubic feet AT OWNERS REQUEST. REMOVE SLUDGE
AS NEEDED.
4. TOTAL DESIGNED VOLUME
Inside top length ( feet)--------------------- 325.0
Inside top width ( feet)---------------------- 225.0
Top of dike elevation (feet)----------------- 50. 5
Bottom of lagoon elevation (feet)------------ 40.5
Freeboard (feet)----------------------------- 1 .0
Side slopes (inside lagoon )------------------ 3.0 : 1
Total design volume using prismoidal formula
SS/END1 SS/END2 SS/SIDE1 SS/SIDE2 LENGTH WIDTH DEPTH
3.0 3.0 3.0 3.0 319.0 219.0 9.0
AREA OF TOP
LENGTH * WIDTH =
319"0 219.0 69861 (AREA OF TOP)
AREA OF BOTTOM
LENGTH * WIDTH =
265.0 165.0 43725 (AREA OF BOTTOM)
AREA OF MIDSECTION
LENGTH * WIDTH * 4
' 292.0 192.0 224256 (AREA OF MIDSECTION * 4)
CU. FT. = [AREA TOP + (4*AREA MIDSECTION) + AREA BOTTOM] * DEPTH/6
69861 .0 224256.0 43725.0 1 . 5
Total Designed Volume Available = 506763 CU. FT.
�
'
5. TEMPORARY STORAGE REQUIRED
DRAINAGE AREA:
Lagoon ( top of dike)
Length * Width =
325.0 225.0 73125.0 square feet
Buildings ( roof and lot water)
0 .0 square feet Describe this area.
TOTAL DA 73125.0 square feet
Design temporary storage period to be 180 days.
5A. Volume of waste produced
Feces & urine production in gal . /day per 135 lb. ALW 1 .37
Volume = 300935 lbs. ALW/135 lbs. ALW * 1 .37 gal/day 180 days
Volume = 549708 gals. or 73490.4 cubic feet
5B. Volume of wash water
This is the amount of fresh water used for washing floors or volume
of fresh water used for a flush system. Flush systems that recirculate
the lagoon water are accounted for in 5A.
Volume = 0.0 gallons/day * 180 days storage/7.48 gallons
per CF
Volume = 0.0 cubic feet
5C. Volume of rainfall in excess of evaporation
Use period of time when rainfall exceeds evaporation by largest amount.
180 days excess rainfall = 7.0 inches
Volume = 7'0 in * DA / 12 inches per foot
Volume = 42656.3 cubic feet
5D. Volume of 25 year - 24 hour storm
Volume = 7.0 inches / 12 inches per foot * DA
Volume = 42656.3 cubic feet
TOTAL REQUIRED TEMPORARY STORAGE
5A. 73490 cubic feet
5B. 0 cubic feet
5C. 42656 cubic feet
5D. 42656 cubic feet
TOTAL 158803 cubic feet
6. SUMMARY
Temporary storage period====================> 180 days
Rainfall in excess of evaporation===========> 7.0 inches
25 year - 24 hour rainfall==================> 7.0 inches
Freeboard===================================> 1 .0 feet
Side slopes=================================> 3.0 : 1
Inside top length===========================> 325.0 feet
Inside top width============================> 225.0 feet
Top of dike elevation=======================> 50.5 feet
Bottom of lagoon elevation==================> 40.5 feet
Total required volume=======================> 459738 cu. ft. *
Actual design volume========================> 506763 cu. ft. *
Seasonal high watertable elevation (SHWT)===> 45.0 feet
Stop pumping elev.==========================> 47.0 feet *
Must be > or = to the SHWT elev.==========> 45.0 feet
Must be > or = to min . req. treatment el .=> 46.5 feet
Required minimum treatment volume===========> 300935 cu. ft"
Volume at stop pumping elevation============> 342011 cu. ft.
Start pumping elev.=========================> 48.8 feet *
Must be at bottom of freeboard & 25 yr. rainfall
Actual volume less 25 yr.- 24 hr. rainfall==> 464107 cu. ft.
Volume at start pumping elevation===========> 458647 cu. ft.
Required volume to be pumped================> 116147 cu. ft. *
Actual volume planned to be pumped==========> 116637 cu. ft. *
Min . thickness of soil liner when required==> 1.5 feet
Cu
7. DESIGNED BY: '�'�����_ APPROVED BY: -
u - '
DATE: DATE:
NOTE: SEE ATTACHED WASTE UTILIZATION PLAN
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Operator:MATT HARDEE ( �
��� �^ jounty : BLADEN Date: 08/31/95
Distance to nearest residence (other than owner) : feet
1 . AVERAGE LIVE WEIGHT (ALW)
0 sows ( farrow to finish) x 1417 lbs. = 0 lbs
0 sows ( farrow to feeder) x 522 lbs. = 0 lbs
0 head ( finishing only ) x 135 lbs. = 0 lbs
0 sows ( farrow to wean ) x 433 lbs. = 0 lbs
0 head (wean to feeder) x 30 lbs. = 0 lbs
Describe other : : 232000
Total Average Live Weight = 232000 lbs
2. MINIMUM REQUIRED TREATMENT VOLUME OF LAGOON
Volume = 232000 lbs. ALW x Treatment Volume(CF) /lb. ALW
Treatment Volume(CF)/lb. ALW = 1 CF/lb. ALW
Volume = 232000 cubic feet
3. STORAGE VOLUME FOR SLUDGE ACCUMULATION
SLUDGE ACCUMULATION NOT COMPUTED
Volume = 0.0 cubic feet AT OWNERS REQUEST. REMOVE SLUDGE
AS NEEDED.,
4. TOTAL DESIGNED VOLUME
Inside top length ( feet)--------------------- 245.0
Inside top width ( feet)---------------------- 225.0
Top of dike elevation (feet)----------------- 50. 5
Bottom of lagoon elevation ( feet)------------ 40.5
Freeboard ( feet)----------------------------- 1 .0
Side slopes ( inside Iagoon )------------------ 3.0 : 1
Total design volume using prismoidal formula
SS/END1 SS/END2 SS/SIDE1 SS/SIDE2 LENGTH WIDTH DEPTH
3.0 3.0 3.0 3.0 239.0 219.0 9.0
AREA OF TOP
LENGTH No WIDTH =
239.0 219.0 52341 (AREA OF TOP)
AREA OF BOTTOM
LENGTH * WIDTH =
185.0 165.0 30525 (AREA OF BOTTOM)
AREA OF MIDSECTION
LENGTH * WIDTH * 4
212. 0 192.0 162816 (AREA OF MIDSECTION * 4)
CU. FT. = [AREA TOP + (4*AREA MIDSECTION) + AREA BOTTOM] * DEPTH/6
52341 .0 162816.0 30525.0 1 .5
Total Designed Volume Available = 368523 CU. FT.
`
5. TEMPORARY STORAGE REQUIRED
DRAINAGE AREA:
Lagoon ( top of dike)
Length * Width =
245.0 225.0 55125.0 square feet
Buildings ( roof and lot water) '
0.0 square feet Describe this area.
TOTAL DA 55125.0 square feet
Design temporary storage period to be 180 days.
5A. Volume of waste produced
Feces & urine production in gal . /day per 135 lb. ALW 1.37
Volume = 232000 lbs. ALW/135 lbs. ALW * 1 .37 gal/day 180 days
Volume = 423787 gals. or 56656.0 cubic feet
5B. Volume of wash water
This is the amount of fresh water used for washing floors or volume
of fresh water used for a flush system. Flush systems that recirculate
the lagoon water are accounted for in 5A.
Volume = 0.0 gallons/day * 180 days storage/7.48 gallons
per CF
Volume = 0.0 cubic feet
5C. Volume of rainfall in excess of evaporation
Use period of time when rainfall exceeds evaporation by largest amount.
180 days excess rainfall = 7.0 inches
Volume = 7.0 in I DA / 12 inches per foot
Volume = 32156.3 cubic feet
`
5D. Volume of 25 year - 24 hour storm
' Volumeinches / 12 inches per. foot * DA
Volume = 32156.3 cubic feet
TOTAL REQUIRED TEMPORARY STORAGE
5A. 56656 cubic feet
5B. 0 cubic feet
5C. 32156 cubic feet
5D. 32156 cubic feet
TOTAL 12O968 cubic feet
6. SUMMARY
Temporary storage period====================> 180 days
Rainfall in excess of evaporation===========> 7.0 inches
25 year - 24 hour rainfall==================> 7.0 inches
Freeboard===================================> 1 .0 feet
Side slopes=�================================>
Insi p = ===== 245de .0 feet
Inside top width============================> 225.0 feet
Top of dike elevation=======================> 5O. 5 feet
Bottom of lagoon elevation==================> 40. 5 feet
Total required volume=======================> 352968 cu.
368523
Seasonal high watertable elevation (SHWT)===> 44.2 feet
Stop pumping
Must be > or = to the SHWT elev.==========> 44.2 feet
Must be > or = to min . req . treatment el .=> 46. 5 feet
Required minimum treatment volume===========> 232000 cu. ft.
Volu�e at stop pumping elevation============> 236983
Start pumping elev.====....
====================> 48.8 feet *
Must be at bottom of freeboard & 25 yr. rainfall
Actual volume less 25 yr.- 24 hr. rainfall==> 336367 cu. ft .
Volume at start pumping elevation===========> 332553 cu. ft.
Required volume to be pumped================> 88812 cu. ft. *
Actual volume planned to be pumped==========> 95571 cu.
Min . thickness of soil liner when required==> 1 . 5 feet
7. DESIGNED BY: w�wvq"j APPROVED BY ^���0��_�
PAA.41 L �-' '� -
DATE P 5
NOTE: SEE ATTACHED WASTE UTI1 ZATION PLAN
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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 Anima!Waste Management Systems Manua!
1
OPERATION & MAINTENANCE PLAN
Proper lagoon management should be a year-round priority. It is especially 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 a
thunderstorm season in the summertime. This means that at the first sign of plant growth in the
later winter/ early spring, irrigation according to a farm waste management plan should be done
whenever the land in 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 irrigated 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 fertilized 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
2
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 or 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 of 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 cant' aU 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
3
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 overflow problem from a surface water diversion or there may be seepage into
the lagoon from the surrounding land.
Lagoon Operation
Startup:
1. 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 occur 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.
4
• 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 level. (Figure 2-1).
0 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.
• Don not pump the lagoon liquid level lower than 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 lagoon 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:
5
• 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 phosphors, 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.
6
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.
7