HomeMy WebLinkAbout310516_Permit Renewal Application 2019_20190410State 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 NoniDistcharge General Permit
On September 30, 2019, 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, 2019.
Please do not leave any question unanswered. Please verify all information and make unv necessary corrections below.
Application must be signed and dared by the Permittee.
1. Fann Number: 3 i-0516 Certificate Of Coverage Number: AWS310516
2. Facility Name: Jamie Dail Farm
3. Landowner's Name (same as on the Waste Management Plan): Jamie L. Dail
4. Landowner's Mailing Address: 5825 S NC Hwy 50
City: Wallace State: NC Zip: 28466-7486
Telephone Number: 910-376-4227 Ext. E-mail:
5. Facility's Physical Address: 5825 S NC 50
City: Wallace State: NC Zip: 28466
6. County where Facility is located: Duplin
7. Farm Manager's Name (if different from Landowner):
g. Farm Manager's telephone number (include area code):
9. Integrator's Name (if there is not an Integrator, write "None"): Murphy -Brown LLC
10, Operator Name (OIC): Jamie L. Dail Phone No.: 910-376-4227 OIC #: 18033
1. Lessee's Name (if there is not a Lessee, write "None"): lJ
12. Indicate animal operation type and number:
Current Permit:
Operation Tvnes:
Swine Cattle Dry Poultry Other Tvnes
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
Operations Type Allowable Count
Swine - Wean to Finish 2,347
13. Waste Treatment and Storage Lagoons (Verify the following information is accurate and complete. Make all necessary
corrections and provide missing data.)
Structure
Name
Estimated
Date
Built
Liner Type
(Clay, Synthetic,
Unknown)
Capacity
(Cubic Feet)
Estimated
Surface Area
(Square Feet)
Design Freeboard
"Redline"
(inches)
1
n - 13 11
cal
143 131
`! I 1 `t ff-
19.50
Mail one (1) copy of the Certified Animal Waste Management Plan (CAWMP) with this completed and signed application
as required by NC General Statutes 143-215.1OC(d) to the address below.
The CAWMP must include the following components:
I. 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, waste transfers, etc.)
As a second option to mailing paper copies of the application package, you can scan and email one signed copy of the
application and all the CAWMP items above to: 2019PermitRenewata.nedenr.go.
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 I43-215.6B, 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.)
Printed Name of Signing Official (Landowner, or if multiple Landowners all landowners should sign if Landowner is a
corporation, signature should be by a principal executive officer of the corporation):
Name:d""' e �^' Title:
Signature: 'L /7 Date: 3/2S/i I ci
Name: "Title:
Signature: Date:
Name: Title:
Signature: Date:
THE COMPLETED APPLICATION SHOULD BE SENT TO THE FOLLOWING ADDRESS:
NCDEQ-DWR
Animal Feeding Operations Program
1636 Mail Service Center
Raleigh, North Carolina 27699-1636
Telephone number: (919) 707-9100
E-mail: 2019PermitRenewal@ncdenr.gov
FORM: RENEWAL -STATE GENERAL 0212019
Version—Navcmber 26, 201A
Primary Secondary
on
a LI
11
Mortality Management Methods
Indicate which method(s) will be implemented.
When selecting multiple methods indicate a primary versus
r ue State secondary
option.
Methods other than those listed must be approved
Routine Mortality
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
eNC Department
rtment of
Adigriculture
off-farm,
Con-
sumer Services Veterinary Division (attach copy permit).
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).
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
fJiViz iCm rcyulotiona and guidnnco.
• 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.
coIAiL
Signature of Farm Owner/Manager
/I/
Signature of Technical Specialist Date
Date
EMERGENCY ACTION PLAN
PHONE NUMBERS
DIVISION OF WATER QUALITY (DWQ)
EMERGENCY MANAGEMENT SERVICES (EMS)
SOIL AND WATER CONSERVATION DISTRICT (SWCD)
NATURAL RESOURCES CONSERVATION SERVICE (NRCS)
COOPERATIVE EXTENSION SERVICE (CES)
(910) 796-7215
1910) 296-2160
(910) 296-2160
(910) 296-2120
(910) 296-2143
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 reach 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 !sled 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.
o) 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 roason(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.
Leakage from flush systems, houses, solid separators - action include:
a) Stop recycle pump.
b) Stop irrigation pump.
c) Make sure siphon occurs
d) Stop ait 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:
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 possihle
1 12 5 2007
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: (919) 733-3942. 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.
G. 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 Sheriff's 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 Narne: Murphy Brown LLC
b. Contractors Address: P Q. Box 856, Warsaw, NC 28398
c . Contractors Phone. (910)293-3434
6, Contact the technical specialist who certified the lagoon (NRCS, Consulting Engineer, etc.)
a. Name: Kraig Westerbeek
b. Phone: (910) 293 - 5330
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.
12 5 ;2 Oil-
Insect Control Checklist for Animal Operations
Source Cause BMPs to Control Insects Site Specific Practices
Liquid Systems
Flush gutters • Accumulation of solids
Lagoons and pits • Crusted solids
Excessive vegetative • Decaying vegetation
growth
1 Flush system is designed and operated
sufficiently to remove accumulated solids from
gutters as designed
Remove bridging of accumulated solids at
discharge
X
X
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 to
8 inches over more than 30 percent of surface
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 Systems
Feeders • Feed spillage
El
AM1C — November 11, 1996, page 1
Design, operate, and maintain feed systems (e.g.,
bunkers and troughs) to minimize the
accumulation of decaying wastage
Clean up spillage on a routine basis (e.g., 7- to
10-day interval during summer; 15- to 30-day
interval during winter)
Insect Control Checklist for Animal Operations
Source
Feed storage
Cause
• Accumulations of feed residues
Animal holding areas • Accumulations of animal wastes
and feed wastage
Dry manure handling • Accumulations of animal wastes
systems
1l
[1
BMPs to Control Insects
Reduce moisture accumulation within and
around immediate perimeter of feed storage
areas by ensuring drainage is away from site
and/or providing adequate containment (e.g.,
covered bin for brewer's grain and similar high
moisture grain products)
Inspect for and remove or break up accumulated
solids in filter strips around feed storage as
needed
Eliminate low areas that trap moisture along
fences and other locations where waste
accumulates and disturbance by animals is
minimal
Maintain 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)
Remove spillage on a routine basis (e.g., 7- to 10-
day interval during summer; 15- to 30-day
interval during winter) where manure is loaded
for land application or disposal
Provide for adequate drainage around manure
stockpiles
Inspect for and remove or break up accumulated
wastes in filter strips around stockpiles and
manure handling areas as needed
For more information contact:
Cooperative Extension Service, Department of Entomology, Box 7613, North Carolina State University, Raleigh, NC 27695-7613.
AMIC —November 11, 1996, page 2
Site Specific Practices
Swine Farm Waste Management Odor Control Checklist
Source
Farmstead
Cause
• Swine production
SMPs to Minimize Odor
Vegetative or wooded buffers
Recommended best management practices
Good judgment and common sense
Site Specific Practices
Animal body surfaces
• Dirty manure -covered animals
Dry floors
Floor surfaces
• Wet manure -covered floors
Slotted floors
Waterers located over slotted floors
Feeders at high end of solid floors
Scrape manure buildup from floors
Underfloor ventilation for drying
Manure collection pits
Ventilation exhaust
fans
Indoor surfaces
Flush tanks
• Urine
• Partial microbial decomposition
• Volatile gases
• Dust
• Dust
• Agitation of recycled lagoon
liquid while tanks are filling
1XI
X
X
l
Frequent manure removal by flush, pit recharge,
or scrape
Underfloor ventilation
Fan maintenance
Efficient air movement
Washdown between groups of animals
Feed additives
Feeder covers
Feed delivery downspout extenders to feeder
covers
Flush tank covers
Flush alleys
AMOC — November
• Agitation during wastewater
conveyance
11, 1996, page 1
Extend fill lines to near bottom of tanks with
anti -siphon vents
Underfloor flush with underfloor ventilation
Swine Farm Waste Management Odor Control Checklist
Source
Pit recharge points
Lift stations
Outside drain
collection or junction
boxes
End of drainpipes at
lagoon
Lagoon surfaces
Irrigation sprinkler
nozzles
Cause
• Agitation of recycled lagoon
liquid while pits are filling
• Agitation during sump tank
filling and drawdown
• Agitation during wastewater
conveyance
n
BMPs to Minimize Odor
Extend recharge lines to near bottom of pits with
anti -siphon vents
Sump tank covers
Box covers
Site Specific Practices
Storage tank or basin
surface
• Agitation during wastewater
conveyance
• Volatile gas emissions
• Biological mixing
• Agitation
• High pressure agitation
• Wind drift
• Partial microbial decomposition
• Mixing while filling
• Agitation when emptying
AMOC — November 11, 1996, page 2
x
1
n
n
Extend discharge point of pipes underneath
lagoon liquid level
Proper lagoon liquid capacity
Correct lagoon startup procedures
Minimum surface area -to -volume ratio
Minimum agitation when pumping
Mechanical aeration
Proven biological additives
Irrigate on dry days with little or no wind
Minimum recommended operating pressure
Pump intake near lagoon liquid surface
Pump from second -stage lagoon
Bottom or midlevel loading
Tank covers
Basin surface mats of solids
Proven biological additives or oxidants
Swine Farm Waste Management Odor Control Checklist
Source
Settling basin surface
Manure, slurry, or
sludge spreader outlets
Uncovered manure,
slurry, or sludge on
field surfaces
Dead animals
Cause
• Partial microbial decomposition
• Mixing while filling
• Agitation when emptying
• Agitation when spreading
• Volatile gas emissions
• Volatile gas emissions while
drying
• Carcass decomposition
Dead animal disposal
pits
• Carcass decomposition
BMPs to Minimize Odor
Extend drainpipe outlets underneath liquid level
Remove settled solids regularly
Soil injection of slurry/sludges
Wash residual manure from spreader after use
l l Proven biological additives or oxidants
X
Soil injection of slurry/sludges
Soil incorporation within 48 hours
Spread in thin uniform layers for rapid drying
Proven biological additives or oxidants
Proper disposition of carcasses
Complete covering of carcasses in burial pits
Proper location/construction of disposal pits
Site Specific Practices
Incinerators
• Incomplete combustion
Standing water around
facilities
Manure tracked onto
public roads from farm
access
• Improper drainage
• Microbial decomposition of
organic matter
• Poorly maintained access roads
x
X
Secondary stack burners
Grade and landscape such that water drains away
from facilities
Farm access road maintenance
AMOC —November 11, 1996, page 3
Additional Information:
Swine Manure Management; .0200 RuleBMP Packet
Swine Production Farm Potential Odor Sources and Remedies; EBAE Fact Sheet
Swine Production Facility Manure Management: Pit Recharge— Lagoon Treatment; EBAE 128-88
Swine Production Facility Manure Management: Underfloor Flush— Lagoon Treatment; EBAE 129-88
Lagoon Design and Management for Livestock Manure Treatment and Storage; EBAE 103-83
Calibration of Manure and Wastewater Application Equipment; EBAE Fact Sheet
Controlling Odors from Swine Buildings; PIH-33
Environmental Assurance Program; NPPC Manual
Options for Managing Odor; a report from the Swine Odor Task Force
Nuisance Concerns in Animal Manure Management: Odors and Flies; PRO107, 1995 Conference Proceedings
AMOC — November 11, 1996, page 4
Available From:
NCSU, County Extension Center
NCSU— BAE
NCSU— BAE
NCSU— BAE
NCSU— BAE
NCSU— BAE
NCSU— Swine Extension
N.C. Pork Producers Assoc.
NCSU Agricultural Communications
Florida Cooperative Extension
WASTE UTILIZATION PLAN
PRODUCER: Jamie Dail Finisher
LOCATION: 5823 NC Hwy, 50 S.
Wallace, NC 28466
TELEPHONE: (910) 285-7131
TYPE OPERATION: wean -finish
NUMBER OF ANIMALS: 2347
(Design Capacity)
The waste from your animal facility must be land applied at a specified rate to prevent pollution
of surface 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 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. 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. Soil types are
important as they have different infiltration rates, leaching potentials, cation exchange
capacities, and available water holding capacities. Normally waste shall not be applied to land
eroding at greater than 5 tons per acre per year. With special precautions, waste may be
applied to land eroding at up to 10 tons per year. Do not apply waste on saturated soils, when it
is raining, or when the surface is frozen. Either of these conditions may result in runoff to
surface waters which is not allowed under DEM regulations. Wind conditions should also be
considered to avoid drift and downwind odor problems. To maximize the value of nutrients for
crop production and to reduce the potential for pollution, the waste should be applied to a
growing crop or applied to bare ground not more than 30 days prior to planting. Injecting the
waste or disking will conserve nutrients and reduce odor problems.
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. Attached you will find information on proper sampling
techniques, preparation, and transfer of waste samples to the lab for analysis.
This waste utilization plan, if carried out, meets the requirements for compliance with 15A NCAC
2H.0217 adopted by the Environmental Management Commission.
Page 1
WASTE UTILIZATION PLAN
Amount of Waste Produced Per Year (gallons, ft, tons, etc.)
2,347 animals X 1.618
(tons) waste/animal/year = 3,797 (tons) waste/year.
Amount of Plant Available Nitrogen (PAN) Produced Per Year
2,347 animals X 1.959
Guide Std. 633)
lbs. PAN/animal/year = 4,598 lbs. PAN/year. (PAN from N.C.
Tech
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
The following acreage will be needed for waste application based on the crop to be grown and surface
application:
Tract
Field
No.
Soil
Type
Table 1:
ACRES OWNED BY PRODUCER
Crop Lbs. N Acres Lbs. N
Per Acre Utilized
Month of
Application
6801
3,7 & 8
FoA
Bermuda (G)
225
15.05
3386.25
March -Sept
6801
-3,7 & 8
FoA
Small Grain (G)
50
15.05
752.5
Sept - April
7811
1 (13)
FoA
Bermuda (G)
225
2.77
623.25
March -Sept
7811
-- 1 (13)
FoA
Small Grain (G)
50
2.77
138.5
Sept - April
Total
17.82
4,900.50
*This N is from animal waste only. If nutrients from other sources such as commercial fertilizer are
applied, they must be accounted for. N must be based on realistic yield expectation.
NOTE: The applicator is cautioned that P and K may be over applied while meeting the N requirements.
Beginning in 1996 the Coastal Zone Management Act will require farmers in some eastern counties of
North Caroline to have a nutrient management plan that addresses all nutrients. This plan only
addresses Nitrogen.
Page 2
Tract
Field
No.
WASTE UTILIZATION PLAN
Table 2: ACRES OWNED B ACRES OWNED BY PRODUCER
Soil
Type
Crop
Lbs. N Acres Lbs. N
Per Acre*
Utilized
Month of
Alication
6801 _
4
FoA
Bermuda (G)
225
3.00
675
March -Sept
6801
—4
FoA
Small Grain (G)
50
3.00
150
Sept - April
6801
5
FoA
Bermuda (G)
225
4.79
1077.75
March -Sept
6801
—5
FoA
Small Grain (G)
50
4.79
239.5
Sept - April
6801
6
FoA
Bermuda (G)
225
3.81
857.25
March -Sept
6801
—6
FoA
Small Grain (G)
50
3.81
190.5
Sept - April
See footnote for Table 1.
Total
Totals from above Tables
11.60
Acres Lbs. N
Utilized
3,190.00
Table 1
Table 2
Total
Amount of N Produced
Surplus or Deficit
17.82
4,901
11.60
3,190
29.42
8,091
4,598
(3,493)
NOTE: 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 nutrient or other elements.
Page 3
111111111.0* WASTE UTILIZATION PLAN
See attached map showing the fields to be used for the utilization of waste water.
Application of Waste by Irrigation
Crop
Field
No.
Soil Type
Application
Rate (In/Hr)
Application
Amount (In.)
All
FoA
All
0.5
5-1.0
THIS TABLE IS NOT NEEDED IF WASTE IS NOT BEING APPLIED BY IRRIGATION, HOWEVER A SIMILAR TABLE
WILL BE NEEDED FOR DRY LITTER OR SLURRY.
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 instance should the volume of
waste being stored in your structure exceed Elevation *see lagoon design.
Call the local Natural Resources Conservation Service (formerly Soil Conservation Service) or Soil
and Water Conservation District office after you receive the waste analysis report for assistance in
determining the amount per acre to apply and the proper application rate prior to applying the
waste.
Narrative of operation: Acres shown are "irrigated acres". All land in the plan
will be planted each year with millet and followed by small grain.
All land will be grazed.
Page 4
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 the 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 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 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 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 or flies.
8 Animal waste shall not be applied to saturated soils, during rainfall events, or when the
surface is frozen.
Page 5
WASTE UTILIZATION PLAN
REQUIRED SPECIFICATIONS
(continued)
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 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 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).
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.
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 courses 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.
Page 6
WASTE UTILIZATION PLAN
REQUIRED SPECIFICATIONS
(continued)
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 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.
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 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 7
WASTE UTILIZATION PLAN
WASTE UTILIZATION PLAN AGREEMENT
Name of Farm: Jamie Dail Finisher
Owner / Manager Agreement
I (we) understand and will follow and implement the specifications and the operation and
maintenance procedures 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 Division of Environment Management (DEM) before the
new animals are stocked. I (we) also understand that there must be no discharge of
animal waste from this system to 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 DEM upon request.
Name of Facility Owner: Jamie Dail
(Please print)
Signature:
Name of Manager (If different from owner):
Date:
Signature: Date:
Name of Technical Specialist: (Please print) Toni King
Affiliation: Murphy - Brown
Address (Agency): P.O. Box 856
Signature:
Warsaw, NC 28398
vJ K
Date: (� — ( 2.005'
Page 8
John R. Lenfestey, P.E. Castle Hayne, North Carolina
Operator: Jamie Dail Finisher FarrrCounty: Duplin Date: 07/13/97
Distance to nearest residence (other than owner): 1,500.0 feet
1. AVERAGE LIVE WEIGHT (ALW)
0 sows (farrow to finish) X 1417.0 lbs.
0 sows (farrow to feeder) X 522.0 lbs.
)3'47-2 000 head (finishing only) X i l J 135.0- lbs.
1 0 sows (farrow to wean) X 433.0 lbs.
G- 0 head (wean to feeder) X 30.0 lbs.
a1-1-)PGA 0 head (other than swine) X 20.0 lbs.
Describe other :
0 lbs.
0 lbs.
270,000 lbs.
0 lbs.
0 lbs.
= 0 lbs.
Total Average Live Weight = 270,000 lbs.
2. MINIMUM REQUIRED TREATMENT VOLUME OF LAGOON
Volume = 270,000 lbs. ALW x Treatment Volume(CF) / Ib. ALW
Treatment Volume(CF)/lb. ALW = 1.00 CFIIb. ALW
Volume = 270,000 Cubic Feet
3. STORAGE VOLUME FOR SLUDGE ACCUMULATION
Volume = 0.0 Cubic Feet (As Per Owner's Request )
4. TOTAL DESIGNED VOLUME
Inside Top Length:
Inside Top Width:
Top of Dike Elevation:
Bottom of Lagoon Elevation:
Freeboard Height:
Side Slopes (Inside Lagoon):
Total design volume using prismoidal formula
====>
====>
====>
270.00 Feet
152.50 Feet
52.50 Feet
39.00 Feet
1.00 Feet
2.50 1
SS/END1 SS/END2 SS/SIDE SS/SIDE2 LENGTI- WIDTH DEPTH
2.50 2.50 2.50 2.50 265.00 147.50 12.50
AREA OF TOP
LENGTH * WIDTH =
265.00 147.50 =
AREA OF BOTTOM
LENGTH * WIDTH =
202.50 85.00 =
39,088 Sq. Ft. (Area of Top)
17,213 Sq. Ft. (Area of Bottom)
•
John R. Lenfestey, P.E. Castle Hayne, North Carolina
Operator: Jamie Dail Finisher Farrr County: Duplin Date: 07/13/97
AREA OF MIDSECTION
LENGTH * WIDTH * 4
233.75 116.25 = 108,694 Sq. Ft. (Area of Midsection * 4)
Cu. Ft. = [Area Top + (4*Area Midsection) + Area Bottom] * Depth/6
Cu. Ft. = ( 39,088 + 108,694 + 17,213 ) *
Total Designed Volume Available = 343,737 Cu. Ft.
5. TEMPORARY STORAGE REQUIRED
DRAINAGE AREA:
Lagoon (top of dike)
Length * Width =
270.00 152.50 = 41,175.0 Sq. Ft.
Buildings (roof and lot water)
0.0 Sq. Ft. Describe this area:
Total Drainage Area = 41,175 Sq. Ft.
Design temporary storage period to be 60 days.
5A. Volume of waste produced
2.08
0 sows (farrow to finish) X 23.0 GPD = 0 GPD
0 sows (farrow to feeder) X 8.0 GPD = 0 GPD
2,000 head (finishing only) X 2.3 GPD = 4,600 GPD
0 sows (farrow to wean) X 7.2 GPD = 0 GPD
0 head (wean to feeder) X 0.5 GPD - 0 GPD
0 head (other than swine) X 1.0 GPD = 0 GPD
Describe other :
Total Volume of Waste = 4,600 GPD
Volume = 4,600 GPD * 60 days in pumping cycle
Volume = 276,000 Gals. or 36,898 Cu. Ft.
John R. Lenfestey, P.E. Castle Hayne, North Carolina
Operator: Jamie Dail Finisher FaraCounty: Duplin Date: 07/13/97
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 =
Volume =
0.0 Gallons / day * 60 days storage / 7.48 gal per CF
0.0 Cubic Feet
5C. Volume of rainfall in excess of evaporation
Use period of time when rainfall exceeds evaporation by largest amount.
60 days excess rainfall
Volume =
Volume =
= 2.33 Inches
2.33 In. * DA / 12 Inches per Foot
8,006 Cubic Feet
5D. Volume of 25 year - 24 hour storm
Volume =
Volume =
7.50 In. * DA / 12 Inches per Foot
25,734 Cubic Feet
TOTAL REQUIRED TEMPORARY STORAGE
5A. 36,898 Cubic Feet
5B. 0 Cubic Feet
5C. 8,006 Cubic Feet
5D. 25,734 Cubic Feet
TOTAL 70,639 Cubic Feet
John R. Lenfestey, P.E. Castle Hayne, North Carolina
Operator: Jamie Dail Finisher FarrrCounty: Duplin Date: 07/13/97
6. SUMMARY
Temporary Storage Period: ___=> 60 Days
Rainfall in Excess of Evaporation: ----__> 2.33 Inches
25 Year - 24 Hour Rainfall: ____> 7.50 Inches
Freeboard Height: ___-> 1.00 Feet
Side Slopes (Inside Lagoon): -____> 2.50 : 1
Inside Top Length: :____> 270.00 Feet
Inside Top Width: --==_> 152.50 Feet
Top of Dike Elevation: _=__> 52.50 Feet
Bottom of Lagoon Elevation: :____> 39.00 Feet
Total Required Minimum Volume: :____> 340,639 Cu. Ft.
Actual Design Volume: :-__=> 343,737 Cu. Ft.
Seasonal High Watertable Elevation(SHWT): =__=> 45.00 Feet
Stop Pumping elevation: -__-> 49.55 Feet
Must be > or = to the SHWT elev.: ____> 45.00 Feet
Must be > or = to min. req. treatment el.: 45.00 Feet
Required Minimum Treatment Volume: --__> 270,000 Cu. Ft.
Volume at Stop Pumping Elevation: --__> 271,376 Cu. Ft.
Start Pumping Elevation: -__=_> 50.80 Feet
Must Be at Bottom of Freeboard & 25 Yr. Rainfall:
Actual Volume Less 25 Yr.- 24 Hr. Rainfall: ====> 318,003 Cu. Ft.
Volume at Start Pumping Elevation: ==__> 316,878 Cu. Ft.
Required Volume to be Pumped: --__> 44,905 Cu. Ft.
Actual Volume Planned to be Pumped: --_-> 45,502 Cu. Ft.
Min. Thickness of Soil Liner When Required: ____>
7. Designed By: John Lenfestey, P.E. Approved By*
DATE: 7Hq7 DATE:
NOTE: SEE ATTACHED WASTE UTILIZATION
•
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270,00 Feet
House #2
House #1
1
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0.80 Miles to Dupliniew
County Line-.COE.4_
NC Highway 50
Vicinity Map
Lagoon
Area of Top = 36,243 Sq. Feet
in Perimeter = 870 Feet
Site Layout Plan
Scales 1' = 801--0'
John R, Lenf estey, RE,
RE OESCRIPUUI]N
APIs DATE
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Farm 1724
Duplin County FSA Office
(H)= Highly Erodible Land
CLU Boundary
MaPrinted:November 15 2005
OPERATION & MAINTENANCE PLAN
Proper lagoon liquid 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 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
utili7)Ltion 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
corning 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 aq_aietance 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:
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 loaning 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 incorning water to avoid erosion of
the lining.
4. When possible, begin Ioading 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, Iack 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 betterthe
lagoon will function. Flush systems that wash waste into the lagoon several tunes daily are
optimum for treatment_ Pit recharge systems, in which one or more buildings are drained
and recharged each day, also work well.
Management:
Practice water conservation —minimize building ,eater 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
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 aid
surface and as far away from the drainpipe inlets as possible.
Prevent additions of bedding materials, long-stemmed forage or vegetazion,
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 an 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.
SIudge 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.
T agoon 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 bark
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 derail 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 Iagoon 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 phosphorus, 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.
Passible 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 rick.
Failure to inspect and maintain the dam.
Excess surface water flowing into the lagoon.
Liner integrity—protert from inlet pipe scouring, damage during sludge
removal, or rupture from lowering lagoon liquid level below groundwater
table.
NO Lb: If lagoon water is allowed to overtop the dam, the moving water will soon cause
g allies to form in the dam. Once this damage starts, it can quickly cause a large discharge
of wastewater and possible dam failure.