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Home My WebLink About820582_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 Non -Discharge 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 any necessary corrections below. Application must be signed and dated by the Permittee. 1. Farm Number: 82-0582 Certificate Of Coverage Number: AWS820582 2. Facility Name: Pone & Son Houses #1-8 & 10-13 3. Landownees Name (same as on the Waste Management Plan): Edward L Pone 4. Landowner's Mailing Address: 671 Parker Memorial Rd City: Clinton State: NC Zip: 28328 Telephone Number: 910-564-4469 Ext. E-mail: 5. Facility's Physical Address: 6516 N US 421 City: Clinton State: NC Zip: 28328 6. County where Facility is located: Sampson 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"): Preggge Farms Inc 10. Operator Name (OIC): Edward L. Poke Phone No.: 910-564-4469 OIC #: 19107 11. Lessee's Name (if there is not a Lessee, write "None"): 12. Indicate animal operation type and number: Current Permit: Operations Type Allowable Count Swine - Feeder to Finish 8,820 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 RE0EIVEDixmmvrp A!' APR ® 3 2019 W^raua'ality Regional Operations Section I 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) 1-8 193 el /3 390(),® KOO 75r cc (a . 0 H. 00 10-13 C I G .Sl if 499le— Mail one (1) copy of the Certified Animal Waste Management Plan (CAWMP) with this completed and signed application as required by NC General Statutes 143-215.10C(d) to the address below. The CAWMP must include the following components: 1. The most recent Waste Utilization Plan (VAR), 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 £ The maximum PAN to be applied to every land application field g. The waste application windows for every crop utilized in the WUP It. 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: 2019PermitRenewal@ncdenr.gov APR 0 3 2019 WpoprQualfty Regional Opqrations Sedon 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 143-215.613, 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): Title: Signature: Date: Name: Title: Signature: Name: Date: 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 02/2019 Waste Utilization Plan Producer: Name of Farm Location: Phone: Type of Operation: Number of Animal: Edward Lindsay Pope Pope & Son 671 Parker Memorial Road Clinton NC 28328 910-564-4469 Storage Structure: Method of Application: Amount of waste produced per year: Feed -Finish 8820 Anaerobic Lagoon Irrigation County: Sampson 16758 ton/year Amount of plant available N (PAN) produced/year: 20286 lbs./year ON FARM RECORDS y 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 RE;i'wmiwC==wR APR 0 3 2019 WPWQuaii41 Regional Operations Section ' Pope & Son 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. Lime 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 Code Yield/Ac Lbs. N unit Acres Lbs N Used Month to Apply Lbs. N Per Ac. 11217 2 BOB CB -GRAZE 3.4 50 3.39 576 MAR-SEP 170 11217 3 BOB CB -GRAZE 3.4 50 5.58 949 MAR-SEP 170 11217 4 BOB CB -GRAZE 3.4 50 4.99 848 MAR-SEP 170 11217 5 BOB CB -GRAZE 3.4 50 4.19 712 MAR-SEP 170 11217 6 BOB CB -GRAZE 3.4 50 1.29 219 MAR-SEP 170 11217 9 BOB CB -GRAZE 3.4 50 1.33 226 MAR-SEP 170 11217 10 ChA CB -GRAZE 4.1 50 0.96 197 MAR-SEP 205 11217 11 BOB CB -GRAZE 3.4 50 5.39 916 MAR-SEP 170 11217 12 Au CB -GRAZE 4.1 50 2.25 461 MAR-SEP 205 4254 13 Au CB -HAY 5.5 50 3.11 855 MAR-SEP 275 4254 14 Au CB -HAY 5.5 50 3.46 952 MAR-SEP 275 4354 15 Au CB -HAY 5.5 50 3.16 869 MAR-SEP 275 4354 16 Au CB -HAY 5.5 50 4.19 1152 MAR-SEP 275 11216 17A ChA CB -HAY 5.5 50 1.24 341 MAR-SEP 275 11216 17B ChA CB -HAY 5.5 50 1.52 418 MAR-SEP 275 11213 18 ChA CB -HAY 5.5 50 1.91 525 MAR-SEP 275 11216 19 KaA CB -HAY 6.3 50 3.81 1200 MAR-SEP 315 11216 20 KaA CB -HAY 6.3 50 2.87 904 MAR-SEP 315 ALL ALL ALL I OS -Graze 1 L 50 54.64 2732 OCT-MAR 50 Total 54.64 15054 lbs. Available Nitrogen 20286 lbs. ON FARM RECORDS "' lbs. Surplus or deficit -9630 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, Pope VSon — 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 addresses 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 3175 lbs. of plant available nitrogen per year in the sludge. If you remove sludge every 5 years you will have approximately 15876 lbs. of PAN to utilize. Assuming you apply this PAN to hybrid bermudagrass hayland at the rate of 300 lbs/acre you will need 53 acres of land. If you apply the sludge to corn at the rate of 125 lbs. of nitrogen per acre you will need 127 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 Pope & Son 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. r 11217 2 11217 3 11217 4 Soil Type BoB BoB BoB Crop Code CB -GRAZE CB -GRAZE CB -GRAZE Applic. Rate(in/hr) 0.75 0.75 0.75 Applic. Amount 1.0 1.0 1.0 11217 11217 5 6 BOB BoB CB -GRAZE CB -GRAZE 0.75 0.75 1.0 1.0 11217 11217 9 10 BoB ChA CB -GRAZE CB -GRAZE 0.75 0.75 1.0 1.0 11217 11 BoB CB -GRAZE 0.75 1.0 11217 12 Au CB -GRAZE 0.60 1.0 4254 13 Au CB -HAY 0.60 1.0 4254 14 Au CB -HAY 0.60 1.0 4354 15 Au CB -HAY 0.60 1.0 4354 16 Au CB -HAY 0.60 1.0 11216 17A ChA CB -HAY 0.60 1.0 11216 17B ChA CB -HAY 0.75 1.0 11213 18 ChA CB -HAY 0.75 1.0 11216 19 KaA CB -HAY 0.50 1.0 11216 20 KaA CB -HAY 0.50 1.0 ALL ALL ALL CS -Graze 0.50 1.0 Pope & Son Page 5 This is the maximum application amount allowed for the soil assuming the amount of nitrogen allowed for the crop 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 Popp & Son WASTE UTILIZATION PLAN Page 6 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 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 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). Pops' & Son Page 7 REQUIRED SPECIFICATIONS (continued) 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 Name of Farm: Pope & Son Owner/Manager Agreement Edward Lindsay Pope 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: Signature: Name of Manager (it aitterent trom owner) Edward Lindsay Pope Signature: 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: c�e, - Date: / —9--/o Date: Date: VA91i c) Supplement to Waste Utilization Plan General Recommendations for Phosphorus Application September 18, 2006 Introduction: On occasion, it is necessary to supplement an existing Waste Utilization Plan with recommendations for Phosphorus application in order to meet current NRCS 590 Standard for cost share from the local Soil &Water Conservation office. As it has been for quite some time with Nitrogen based plans, phosphorus is applied at rates greater than needed for crop production until the point of soil test P saturation reaches the level (as measured by PLAT) of HIGH or VERY -HIGH. Over application of P is OK from an environmental standpoint as long as P-Loss is monitored at least every 5 years and PLAT ratings remain LOW or MEDIUM. Be aware that crops remove phosphorus from the soil at a slow rate in association with yield and crop. The following rates of P removal are per unit of yield (tons, bushels, etc). Crop P Removal Rate Yield Unit Hybrid Bermuda- Hay 12.3 Ton Hybrid Bermuda- Pasture 1.2 Ton Small Grain Overseeding (50# or 1 ton) 14.6 Ton Small Grain Overseeding (100# or 2 tons) 13.6 Ton Fescue- Hay 15.7 Ton Fescue- Pasture 1.6 Ton Corn- Grain 0.44 Bushel Wheat- Grain 0.5 Bushel Soybeans- Full Season 0.8 Bushel Soybeans- Double Cropped 0.8 Bushel Cotton 0.03 Pound To use the above table simply multiply the rate times the RYE expected from the planned crop. The resultant figure is a good value to plug into a Waste Utilization Plan to make the producer aware of why P levels are likely to increase over time. Crops that are removed via grazing only remove about 10% of the P listed above as opposed to haying or harvesting. (Reduction already made on pasture labeled crops.) If other crops are needed, contact Samuel G. Warren, DC, NRCS or refer to the database supplied with NC Partnership's Nutrient Management Software program. On -Farm Records for Modifying a Certified Animal Waste Management Plan Name: Pope & Son Cumulative wastewater aoolication Field Yearly gallons applied 2006 2007 2008 2 138960 83520 138240 3 369360 115200 448560 4 369360 1296001 448560 5 82080 197280 218880 6 9 10 34560 11 257760 120960 12 51840 38160 13 181440 117792 69840 14 138240 208080 77760 15 181440 117792 69840 16 150480 226800 103680 17 128880 154080 202896 18 19 440640 195120 416880 20 330480 210816 265536 Total 2597760 2052000 2581632 Average annual volume applied 2410464 Summary of waste analvsis records Month La oon2 Year PAN 1 %200812.3 2008 2.7 4 2008 2.4 11 . 2008 1.5 1 2007 2.42007 2.6 3 2007 3.0 2007 2.6 8 2007 1.9 2007 1.7 2 2006 3.1 2006 2.5 6 2006 2.5 2006 2.5 9 2006 1.3 2006 1.6 Ave by L 2.27 1 2.23 Farm Ave 12. pounds per 1000 gallons Standard deviation for waste analysis = .48 x ave PAN Standard deviation = 1.1 lb/1000 gal Range of values to include in average = 1.2 to 3.3 lb/1000 gal Revised summary of waste analysis r Lagoon 1 Lagoon2 Month Year PAN Ave by L Farm Ave pounds per 1000 gallons Total lb PAN = 2,410,464 gal x 2.25 lb PAN year year 1000 gal Total lb PAN = 5,424 year ecords ' J _ S'�� ?�..F Kv, a-.m ♦ �✓a� 4.k S ': 4 �, C- � `~ _ Y � 5' - • +I ,1 ... 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CONSERVATION PLAN MAP` Date:8130/2010 Customer(s): EDWARD LINDSEY POPE Field Office: CLINTON USDA SERVICE CENTER District: SAMPSON SOIL &WATER CONSERVATION DISTRICT Agency: USDA-NRCSAssisted By: John G Thompson State and County: NC, SAMPSON Swine Farm Waste Management Odor Control Checklist _S_ource"�- � Cause BMPs to Minimize Odor �Fetmttead Swine production Site Specific Practices Vegetative or wooded buffers; f -recommended best management practices; judgment and common sense • WV Y laces • uury manure -covered animals `Dry floors Floor surfaces • Wet manure -covered floors .I_Slotted floors; Waterers located over slotted -floors; O Feeders at high end of solid floors; Pp crape manure buildup from floors; �nderfloorventilation for drying Manure collection pits • Urine; Frequent manure removal by flush, pit recharge, • Partial microbial decomposition or scrape; O Underfloor ventilation Ventilation exhaust fans Volatile gases; Fan tnainlcnance, Dust C '-Ricient air movement Indoor surfaces • Dust Washdown between groups of animals; O Feed additives; 0"'Fi der covers; !a' Feed delivery downspout extenders to feeder covers , Flush tanks • Agitation of recycled lagoon O Flush tank covers; liquid while tanks are filling O Extend fill lines to near bottom of tanks with ti-siphon vents Flush alleys • Agitation during wastewater Or Underfloor flush Willi underfloor ventilation —�"— conveyance Pit recharge points • Agitation of recycled la lagoon 4. g O Extend recharge lines to near bottom of pits liquid while pits are filling Willi anti -siphon vents Lift stations • Agitation during sump tank O Sump lank covers filling and drawdown Outside drain collection • Agitation during wastewater O Box covers orjunetion boxes conveyance AMOC -November 11, 1996, Page 3 Source End of drainpipes at lagoon Cause —Agitationg • during wastewater BMPs to Minimize Oddr Site Specific Practices O Extend discharge point of pipes underneath — ` conveyance lagoon liquid level Lagoon surfaces • Volatile gas emissions; Proper lagoon liquid capacity; • L31010gical mixing; Correct lagoon startu g p procedures; • Agitation .O'-Minimum surface area -to -volume ratio; Minimum agitation when.pumping; 0 Mechanical aeration; CI Proven biological additives Irrigation sprinkler nozzles • High pressure agitation; Irri ate on g dry days with little or no wind; • Wind drill / 0- Minimum recommended operating : p g pressure; � k7' Pump intake near lagoon liquid surface; Storage tank or basin surface • Partial microbial decomposition; O Pump from second -stage lagoon Cl or midlevel loading; . Mixing while tilling; O Tank covers; • Agitation when emptying ❑ Basin surface mats of solids; Settling basin surface Partial microbial decomposition; ❑ Proven biological additives or oxidants O Extend drainpipe outlets underneath liquid • Mixing while filling; level; • Agitation when emptying O Remove settled solids regularly Manure, slurry or sludge spreader outlets • Agitation when spreading; ❑ Soil injection of slurry/sludges; . Volatile gas emissions O Wash residual manure from spreader after use; ❑ Proven biological additives or oxidants Uncovered manure, slurry or sludge on field • Volatile gas emissions while drying ❑ Soil injection of slurry/sludges surfaces ❑ Soil incorporation within 48 hrs.; O Spread in thin uniform layers for rapid drying; O Proven biological additives or oxidants Dead animals • Carcass decomposition Proper disposilion of carcasses Dead animal disposal pits • Carcass decomposition CJ Compl ete coveriub of carcasses in burial pits; Incinerators .A'Proper location/construction of disposal pits • Incomplete combustion - -- O Secondary stack burners ------- - AMO(C -November 1 1, 1996, Page 4 F Source Cause BMPs to Minimize. Odor Site Specific Practices Standing water around •^ Improper drainage; 71 Grade and landscape such that water drains i facilities • Microbial decomposition of away from facilities organic matter Manuro backed onto • Poorl maintained access roads-� public roads tom farm Y Farm access road maintenance access Additional Information : Swine Manure Management ; 0200 RuleiBMP Packet - Available From Swine Production Farm Potential Odor Sources and Remedies; EBAE Fact Shect NCSU, County Extension Center NCSU -BAE Swine Production Facility Manure Management: Pit Recharge - Lagoon Treatment, EBAE 128-88 Swine Production Facility Manure Management: Underfloor Flush - Lagoon Treatment; EBAE 129-88 NCSU - BAE NCSU - BAE Lagoon Design and Management for Livestock Manure Treatment and Storage; EBAE 103-83 Calibration of Manure and Wastewater Application Equipment ; EBAE Fact Sheet NCSU - BAE NCSU -BAE Controlling Odors from Swine Buildings; PIN-33 Environmental Assurance Program ; NPPC Manual NCSU - Swine Extension Options for Managing Odor ; a report from the Swine Odor Task Force NC Pork Producers Assoc Nuisance Concerns in Animal Manure Management: Odors and Flies ; PRO107, 1995 Conference Proceedin NCSU Agri Communications � Florida Cooperative. Extension AMOC -November 11, 1996, Page 5 ya-4-fk.), Insect Control Checklist for Animal Operations Source Cause BMPs to Control insects Site Specific Practices Liquid Systems Flush Gutters • Accumulation of solids O Flush system is designed and operated sufficiently to remove accumulated solids from gutters as designed. O Remove bridging of accumulated solids at Lagoons and Pits • Crusted Solids discharge Maintain lagoons, settling basins and pits where pest breeding is apparent to minimize the crusting of solids to a depth of no more than 6 - 8 inches over more than 30% of surface. Excessive Vegetative • Decaying vegetation Maintain vegetative control along banks of Growth lagoons and other impoundments to prevent accumulation of decaying vegetative matter along watees edge on impoundment's perimeter. Dry Systems — Feeders • Feed Spillage Design, operate and maintain feed systems (e.g., bunkers and troughs) to minimize the accumulation of decaying wastage. .A""Clean up spillage on a routine basis (e.g., 7 - 10 day interval during summer; 15-30 day interval ring winter). Feed Storage • Accumulations of feed residues Reduce moisture accumulation within and around immediate perimeter of feed storage areas by insuring drainage away from site and/or providing adequate containment (e.g., covered bin for brewer's grain and similar high moisture grain products). M Inspect for and remove or break up accumulated solids in filter strips around feed storage as needed. AMIC - November 11, 1996, Page 1 SAMPSON COUNTY EMERGENCY ACTION PLAN DIVISION OF WATER QUALITY (DWQ) EMERGENCY MANAGEMENT SERVICES (EMS) SOIL & WATER CONSERVATION DISTRICT (SWCD) NATURAL RESOURCES CONSERVATION SERVICE (NRCS) COOPERATIVE EXTENSION SERVICE (CES) 910-486-1541 910-592-8996 910-592-7963 910-592-7963 910-592-7161 This plan will be implemented in the event that wastes from your operation are leaking, overflowing, or running off the 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 problems are listed below: A. Lagoon overflow -possible solutions are: a.. Add soil to berm to increase elevation of dam, any permanent alteration of the dam should be approved by a qualified technical specialist. b. Pump wastes to field at an acceptable rate. c. Stop all additional flow to the lagoon -hold waste in the house if possible. d. Call a pumping contractor. e. Make sure no surface water is entering lagoon. B. Runoff from waste application field -action include: a. Immediately stop waste application. b. Create a temporary diversion or berm to contain the waste. c. Incorporate waste to reduce further runoff. d. Evaluate and eliminate the reason(s) that caused 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 (flushing system) pump. b. Stop irrigation pump. c. Close valves to eliminate further discharge. e. Repair all leaks prior to restarting pumps. D. Leakage from flush system, houses, solids separators -actions include: a. Stop recycle (flushing system) pump. b. Stop irrigation pump. c. Make sure no siphon effect has been created. d. Stop all flows in the house, flush systems, or solid separators. e. Repair all leaks prior to restarting pumps. 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 to catch all seepage, put in a submersible pump, and pump back, into 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. 2. Assess the extent of the spill and note any obvious damages. a. Did the waste reach any surface waters? b. Approximately how much was released and for what duration? c. Any damage noted, 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 of the property)? h. How much reached surface waters? 3. Contact appropriate agencies. a. During normal business hours, call your DWO (Division of Water Quality) regional office, at 910-486-1541, after hours, emergency number:919-733-3942. Your phone call should include: YOUR NAME, FACILITY, TELEPHONE NUMBER, THE DETAILS OF THE INCIDENT FROM ITEM #2 ABOVE, THE EXACT LOCATION OF THE FACILITY, AND THE LOCATION OR DIRECTION OF MOVEMENT OF THE SPILL, WEATHER AND WIND CONDITIONS. THE CORRECTIVE MEASURES THAT HAVE BEEN UNDER TAKEN, AND THE SERIOUSNESS OF THE SITUATION. b. If spill leaves property or enters surface waters, call local (EMS) Emergency Management Services at 910-592-8996. c. Instruct EMS to contact local Health Department. d. Contact local SAMPSON Soil and Water Conservation District (SWCD), Natural Resources Conservation Service (NRCS) office at 910-592-7963 and Cooperative Extension Service (CES) at 910-592-7161 for advice/technical assistance. 4. If none of the above works call 911 or the sheriffs Department and explain your problem to them and ask that person to contact the proper agencies for you. 5. Contact the contractor of your choice to begin repair- of the problem to minimize off -site damage. a. Contractors Name: S b. Contractors Address: c. Contractors Phone: b. Contact the technical specialist who certified the lagoon (MRCS, Consulting Engineer, etc.) a. Name: b. Phone: fz- 7 7. Implement procedures as advised by DWO 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. B. If you are a contract swine grower associated with a swine company integrator, contact the company representative at 1-910-592-5771 version —November 26, 2018 ®rtality Management Methods WhE.7 Indicate which methods) will be' implemented. sslec;i,�g multiple Memethods indicate a primary versus secondary option. tho^s o;,7er than those listed must be approved by the State Veterinarlan. Primary Secondary Po&xNne Mortality Q❑ INK 24 hours of knowledge of animal feet beneath the surface of the ground within death. ; he burial must be at least 300 feet from any flowing stream or public body (G j•'00-403). The bottom of the burial pit should be at least one foot above the seasonal r _iv' table. Attach burial location map and plan, _and`II; at . unicipal solid waste facility permitted by NO DEQ under GS 15A NCAC Rerc'e" ,: at a rendering plant licensed under G,S. 106-168.7. Cor:cle`e Incineration according to 02 NCAC 52C .0102. A con posting 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, add°410--21 requirements must be met and a permit is required from NO DEQ. In the case of dead poultry only, placing in a disposal pit of a size and design approved by the NO aePartment of Agriculture & Consumer Services (G.S. 106-649.70). Any -ne-od which, in the professional opinion of the State Veterinarian, would make possible 71 the sai ap pf part of a dead animal's value without endangering human or animal health, Wrft°e^ aoprcvai 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-acclr.mended for all animal operations. This plan outlines farm -specific mortality man- agerren- methods to be used for mass mortality. The NCDA&CS Veterinary Division sup- p013 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 'v^e- numbers of dead animals exceed normal mortality rates as specified by the State '.'s,erlr;arfan. • Burial ~rust be done in accordance with NO General Statutes and NCDA&CS Veterinary 'vision regulations and guidance. • Mass burial sites are subject to additional permit conditions (refer to facility's animal waste management system permit). • 'n :he event of imminent threat of a disease emergency, the State Veterinarian may enact additional temporary procedures or measures for disposal according to G.S. 10B-3gq.a 15 P 5f9n8tLre of Farm Owner/Manager Signature of Technical Specialist Date Date 5? - 73 t .... ..... . IT 'Z. C's 1-A J.- NI mi ... . .. ..... .... C". t .. .. . ......... ... .... ..... . .. ........ ........ I.... .... ..................... . . -.1 ... ........ . ... ........ I .. .... ..... .... ........ ......... .. . . . ......... �s Zf ._ 7 3s �5ierator:Lindsey Pope County: Sampson Date; 11/20/94 bistance to nearest residence (other than owner): 1500.0 feet 1. AVERAGE LIVE WEIGHT (ALW) 0 sows (farrow to finish) x 0 sows (farrow to feeder) x 1522 lbs. _ 2940 head (finishing only) 135 0 lbs lbs. = 0 lbs 0 sows (farrow to wean) x 35 lbs. = 0 head x 433 lbs. 396900 lbs (wean to feeder) x = 0 lbs Describe other : 30 lbs. = 0 lbs 0 Total Average Live Weight = 396900 lbs 2. MINIMUM REQUIRED TREATMENT VOLUME OF LAGOON Volume = 396900 lbs. ALW x Treatment Volume(CF)/lb. ALW Treatment Volume(CF)/lb. ALW = Volume - 396900 cubic feet 1 CF/lb. ALW 3• STORAGE VOLUME FOR SLUDGE ACCUMULATION Sludge Accumulation Not Computed At Volume = 0.0 cubic feet Owners Request Remove Sludge As Needed �• TOTAL DESIGNED VOLUME Inside top length (feet) -- Inside top width (feet)_ ------_-_-_-_-_--_-_-_-_-_-_-_- 420.0 Top of dike elevation (feet) - - 180.0 Bottom of lagoon elevation (feet)-__ 47.5 Freeboard (feet) ----------------------------- --------- 35.5 Side slopes (inside lagoon)---------------- 1.0 -- 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 3.0 414.0 174.0 11.0 AREA OF TOP LENGTH * WIDTH = 414.0 174.0 72036 (AREA OF TOP) AREA OF BOTTOM LENGTH * WIDTH = 348.0 108.0 37584 (AREA OF BOTTOM) AREA OF MIDSECTION LENGTH WIDTH * 4 381.0 141.0 214884 (AREA OF MIDSECTION * 4) CU. FT. _ (AREA TOP + (4*AREA MIDSECTION) + AREA BOTTOM] 72036.0 214884.0 DEPTH/6 37584.0 1.8 Total Designed Volume Available = 594924 CU. FT. ,. Volume of 25 year - 24 hour storm Volume = 7.0 inches / 12 inches per foot * DA Volume = 44100.0 cubic feet TOTAL REQUIRED TEMPORARY STORAGE 5A. 96926 cubic feet 5B. 0 cubic feet 5C. 44100 cubic feet 5D. 44100 cubic feet TOTAL 185126 cubic feet 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===========================> 420.0 feet Inside top width============================> 180.0 feet Top of dike elevation=======================> 47.5 feet Bottom of lagoon elevation===============---> 35.5 feet Total required volume===========---=___=====> 582026 cu. ft. Actual design volume========================> 594924 cu. ft. Seasonal high watertable elevation (SHWT)===> 40.4 feet Stop pumping elev.__________________________> 43.6 feet Must be > or = to the SHWT elev.==========> 40.4 feet Must be > or = to min. req. treatment el.=> 41.5 feet Required minimum treatment volume===========> 396900 cu. ft. Volume at stop pumping elevation============> 400562 cu. ft. Start pumping elev._________________________> 45.8 feet Must be at bottom of freeboard & 25 yr. rainfall Actual volume less 25 yr.- 24 hr. rainfall==> 550824 cu. ft. Volume at start pumping elevation===========> 545359 cu. ft. Required volume to be pumped================> 141026 cu. ft. Actual volume planned to be pumped==========> 144797 cu. ft. Min. thickness of soil liner when required==> 1.8 feet DESIGNED BY: Lanier & Houston CHECKED BY: DATE: DATE: r NOTE: SEE ATTACHED WASTE UTILIZATION PLAN COMMENTS: 004 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 raiand wet periods. Y 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 inme.Thi _ that at the first signs of plant growth in the later winter/early spring, �irrigatio accordtn to a farm waste management plan should be done whenever the land is dry enough to g 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 Iagoon close to the minimum liquid Ievel as long as the weather and waste utilization plan will allow it. Waiting until the lagoon has reached its maximum storage capacity before starting to irrigate does not leave room for storing excess water during extended wet periods. Overflow from the lagoon for any reason except a 25-year, 24-hour storm is avilation 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 10-1 o-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 i possibly twice n 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 Iagoon 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: I. 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 Iiner damage due to wave action caused b strong winds. These waves can erode the lagoon sidewalls, thereby weakening the la 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 my of these features, you should tali an appropriate ex rt familiar with design and Of has construction of waste lagoons. You may need to provide a tempo tea waste discharge. However, a permanent solution should berev eW if y the is a threat technical expert. Any digging into a lagoon dam with heavy ment is a serious undertaking with potentially serious consequences and should notlbe 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" b system maintenance at a time when your lagoon isent rat its low levee. You a,Th�s willoallowmping ti safety time should major repairs be required. Having a nearly full lagoon is not thetimeto think about switching, repairing , or borrowing pumps. Probably, if your lagoon is full, Your neighbor's lagoon is full also. You should consider maintaining an inventory of spare Parts or pumps. Surface water diversion features are designed to carry all surface drainage waters (such as rainfall runoff, roof drainage, gutter outlets, and parking lot runoff) away from your lagoon and other waste treatment or storage structures, The only water that should be coming from your lagoon is that which comes from your flushing (washing) system pipes and the rainfall that hits the lagoon directly. You should inspect your diversion system for the following, 1. adequate vegetation 2. diversion capacity 3. ridge berm height _ Identified problems should be corrected promptly. It is advisable to inspect your system during or immediately following a heavy rain. If technical assistance is needed to determine proper solutions, consult with appropriate experts. You should record the level of the lagoon just prior to when rain is predicted, and then record the level again 4 to 6 hours after the rain (assumes there is no pumping). This will give you an ids 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 loading begins, taking care not to erode lining or bank slopes. 3. Drainpipes into the lagoon should have a flexible pipe extender on the end of the pipe to discharge near the bottom of the lagoon during initial filling or another means of slowing the incoming water to avoid erosion of the lining. 4. When possible, begin loading new lagoons in the spring to maximize bacterial establishment (due to warmer weather). 5. It is recommended that a new lagoon be seeded with sludge from a healthy working swine lagoon in the amount of 0.25 percent of the full lagoon liquid volume. This seeding should occour at least two weeks prior to the addition of wastewater. 6. Maintain a periodic check on the lagoon Iiquid 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 bubblin#, 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 draane�l and recharged each day, also work well. Practice water conservation ---minimize building water usage and spillage from leaking waterers, broken pipes and washdown through Proper maintenance and water conservation. • Minimize feed wastage and spillage by keeping feeders adjusted. This will reduce the amount of solids entering the lagoon Management: • Maintain lagoon liquid level between the the full temporary storage level. the storage level and • 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, y fall to provide maximum lagoo irrigate in the late summer/earln storage for the winter. The lagoon liquid level should never be closer than 1 foot to the lowest Point of the dam or embankment. Do not pump the lagoon liquid level lower that the permanent storage level unless you are removing sludge, Locate float pump intakes approximately 18 inches underneath the liquid surface and as far away from the drainpipe inlets as possible. Prevent additions of bedding materials, long-stemmed forage or vegetation, molded feed, plastic syringes, or other foreign materials into the lagoon. Frequently remove solids from catch basins at end of confinement houses or wherever they are installed. Maintain strict vegetation, rodent, and varmint control near lagoon edges. Do not allow trees or large bushes to grow on lagoon dam or embankment. Remove sludge from the 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: • 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 pump through Iarge-bore sprinkler irrigation stOnearby 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 sh be removed without liner injury. If the liner is damaged it must be repaired as soon as possible. Sludge removed from the lagoon has a much higher phosphorus and heavy metal content than liquid. Because of this it should probably be applied to land with low phosphorus and metal levels, as indicated by a soil test, and incorporated to reduce the chance of erosion. Note that if the sludge is applied to fields with very high soil -test phosphores, it should be applied only at rates equal to the crop removal of phosphorus. As with other wastes, always have your lagoon sludge analyzed far its nutrient value. The application of sludge will increase the amount of odor at the waste application site. Extra precaution should be used to observe the wind direction and other conditions which could increase the concern of neighbors. Possible Causes of Lagoon Failure Lagoon failures result in the unplanned discharge of wastewater from the structure. Types Of failures include leakage through the bottom or sides, overtopping, and breach of the dam. Assuming proper design and construction, the owner has the responsibilit or ensuring structure safety. Items which may lead to lagoon failures include; y • 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.