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090072_Permit Renewal Application 2019_20190410
State of North Carolina Department of Environmental Quality Division of Water Resources Animal Waste Management Systems Request for Certification of Coverage Facility Currently covered by an Expiring Sate Non -Discharge General Permit On September 30, 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: 09-0072 Certificate Of Coverage Number: AWS090072 2. Facility Name: South River Nurser. 3. Landowners Name (same as on the Waste Management Plan): Steven Crai , Peterson 4. Landowner's Mailing Address: 5683 NC H« 210 W City: Garland State: NC Zip: 28441 Telephone Number: 910-874-1197 Ext. E-mail: 5. Facility's Physical Address: 391 Green Bridge Rd City: Garland State: NC Zip: 28441 6. County where Facility is located: Bladen 7. Farm Manager's Name (if different from Landowner): GeettL—Vir-fierwar,d 8. Farm Manager's telephone number (include area code): 91 0 6^^ 4 r 9. Integrator's Name (if there is not an Integrator, write "None"): Murphy -Brown LLC 10. Operator Name (OIC): & Phone No.: 910-�/ OIC #: .99688 SfS- -t'g4 . j /p'kf - 7y�/q7 11. Lessee's Name (if there is not a Lessee, write "None"): % Q Lf+�' 6 "3 12. Indicate animal operation type and number: Current Permit: Operations Type Swine - Wean to Feeder Operation Types: Allowable Count 2,600 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 los Wi ozooa4`on !� 4 13. Waste Treatment and Storage Lagoons (Verify the following information is accurate and complete. Make all necessary corrections and provide missing data.) Structure Name 1 Estimated Date Built Liner Type (Clay, Synthetic, Unknown) Capacity (Cubic Feet) 7gzla2 Estimated Surface Area (Square Feet) tivo Design Freeboard "Redline" (Inches) 19.00 -19.00 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 (WUP), sbned b‘ 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: 2019PermitRenewal@ncdenr.gov I attest that this application has been reviewed by me and is accurate and complete to the best of my knowledge. I understand that, if all required parts of this application are not completed and that if all required supporting information and attachments are not included, this application package will be returned to me as incomplete. Note: In accordance with NC General Statutes 143-215.6A and 143-215.6B, any person who knowingly makes any false statement, representation, or certification in any application may be subject to civil penalties up to $25,000 per violation. (18 U.S.C. Section 1001 provides a punishment by a fine of not more than $10,000 or imprisonment of not more than 5 years, or both for a similar offense.) 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: Signature: Name: A e Signature: Name: Signature: Title: Date: Title: Date: Title: 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 Monday, April 20, 2015 91 pdA( /Q-3/ - 4 Producer : Farm Name : Telephone # : Type of Operation : Number of Animals : Application Method: Steven Peterson South River Nursery 9-72 5683 NC Hwy 210 W Garland,NC 28441 (910) 874-1197 Wean to Feeder Swine 2600 pigs design capacity Irrigation 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 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 contents 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 avaialable water holding capacities. Normally waste shall not be applied to land eroding at greater than 5 tons per acre per year. With special pre -cautions, waste may be applied to land eroding at up to 10 tons per acre 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 the 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. This plan is based on waste application through irrigation for this is the manner in which you have chosen to apply your waste. If you choose to inject the waste in the future, you need to revise this plan. Nutrient levels for injecting waste and irrigating waste 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. Attached you will find information on proper sampling techniques, preparation, and transfer of waste samples to the lab for ananlysis. 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 of 9 AMOUNT OF WASTE PRODUCED PER YEAR (gallons, ft3, tons, etc.) 2600 pigs X .4 tons waste/pigs/year = 1040 tons AMOUNT OF PLANT AVAILABLE NITROGEN (PAN) PRODUCED PER YEAR 2600 pigs X .48 Ibs PAN/pigs/year = 1248 PAN/year 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, soil type and suface application. TABLE 1 : ACRES OWNED BY PRODUCER There are no Acres Owned Indicates that this field is being overseeded (i.e. interplanted) or winter annuals follow summer annuals. * Indicates a Crop Rotation NOTE: The applicator is cautioned that P and K may be over applied while meeting the N requirments. Beginning in 1996 the Coastal Zone Management Act will require farmers in some eastern counties of NC to have a nutrient management plan that addresses all nutrients. This plan only addresses Nitrogen. Page 2 of 9 TABLE 2 : ACRES WITH AGREEMENT OR LONG TERM LEASE (Agreement with adjacent landowners must be attached.) (Required only if operator does not own adequate land. See required specifications 2.) TRACT FIELD SOIL TYPE &CLASS - DETERMINING PHASE 2261 1 NORFOLK 0-2%_ BP 4.6 2261 1 NORFOLK 0-2% SG 1 2261 * 2 NORFOLK 0-2% C 110 2261 2 NORFOLK 0-2% W 60 2261 * 2 .NORFOLK 0-2% SB 35 137.2 2261 _* 3 NIORFOLK 0-2% C 110' 137.5 2261 * 3 NORFOLK 0-2% W 60 144 2261 * 3 .NORFOLK 0-2% SB 35 137.2 CROP YIELD LBS AW COMM ACRES LBS AW APPLIC. CODE N/ACRE N/ACRE USED TIME 230 50 137.5 144 0 4.11 0 4.11 0 9.4 9.4 0 9.4 0' 3.52 0 3.52 0 3.52 945.3 M• AR-SEP 205.5. S• EP-MAY 1292.5 MAR-JUN 1353.6. S• EP-APR 1289.68,APR-SEP 15 484; MAR-JUN 506.88 SEP-APR 482.944;APR-SEP 15 TOTALS: 3855.60 Indicates that this field is being overseeded (i.e. interplanted) or winter annuals follow summer annuals. * Indicates a Crop Rotation * Acreage figures may exceed total acreage in field due to overseeding. **Lbs AW N (animal waste nitrogen) equals total required nitrogen less any commercial nitrogen (COMM N) supplied. The following legend explains the crop codes used in TABLES 1 and 2 above: CROP CODE C CORN HYBRID BERMUDAGRASS-PASTURE SMALL GRAIN OVERSEEDED SOYBEANS BP SG SB W WHEAT CROP UNITS BUSHELS TONS AC BUSHELS BUSHELS LBS N/UNIT 1.25 50 50 4 2.4 Page 3 of 9 TOTALS FROM TABLES 1 AND 2 TABLE 2 ACRES LBS AW N USED 17.031 3,856 TOTALS: AMOUNT OF N PRODUCED: *** BALANCE 17.03 3,856 1,248 -2,608 *** This number must be Tess than or equal to 0 in order to fully utilize the animal waste N produced. Acres show in each of the preceeding tables are considered to be the usable acres excluding required buffers, filter 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 fields listed may, and most likely will be, more than the acres shown in the tables. NOTE: The Waste Utilization Plan must contain provisions for periodic land application of sludge at agronomic rates. The sludge will be nurturient rich and will require precautionary measures to prevent over application of nutrients or other elements. Your production facility will produce approximately 197.6 pounds of plant available nitrogen (PAN) per year in the sludge that will need to be removed on a periodic basis. This figure is PAN when broadcasting the sludge. Please be aware that additional acres of land, as well special equipment, may be needed when you remove this sludge. See the attached map showing the fields to be used for the utilization of waste water. 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 of the soil at the time of irrigation nor should the plant available nitrogen applied exceed the nitrogen needs of the crop. Your facility is designed for 180 days of temporary storage and the temporary storage must be removed on the average of once every 5.92 months. In no instance should the volume of waste being stored in your structure be within 1.58 feet of the top of the dike. If surface irrigation is the method of land application for this plan, it is the responsiblity of the producer and irrigation designer to ensure that an irrigation system is installed to properly irrigate the acres shown in Tables 1 and 2. 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. APPLICATION APPLICATION TRACT FIELD SOIL TYPE CROP RATE (in/hr) AMT (inches) 2261 *2, *3 NORFOLK 0-2% W 1 0.50 *1 2261 -1 NORFOLK 0-2% SG 0.50 *1 2261 *2, *3 NORFOLK 0-2% SB 0.50 *1 2261 *2, *3 NORFOLK 0-2% C 0.50 i *1 112261 1 1NORFOLK 0-2% BP 0.50 I *1 * 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 the nitrogen limitation. The maximum application amount shown can be applied under optimum soil conditions. Page4of9 NARRATIVE OF OPERATION Acreages and RYE's are from the previous owner's plan dated 8/23/05 written by Kevin Weston. There is one exception; soybean rates are the current rates for double cropping. If full season soybeans are planted, utilize 160 Ibs/N/ac. Producer has option of planting a millet/rye rotation and fertilizing at the rate of 211 Ibs/N/ac. for grazed millet and 75 Ibs/N/ac for grazed rye. Page 5 of 9 PLANS & 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. Illegal discharges are subject to assessment of civil penalties of $10,000 per day by the Division of Water Quality for every day the discharge continues. 2. The Field Office must have documentation in the design folder that the producer either owns or has long term access to adequate land to properly dispose of waste. If the producer does not own adequate land to properly dispose of waste, he shall provide NRCS with a copy of a written agreement with a landowner who is within a reasonable proximity, allowing him/her the use of the land for waste application for the life expectancy of the production facility. 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, climate conditions, and level of management, unless there are regulations that restrict the rate of application for other nutrients. 4. Animal waste may be applied to land that has a Resource Management System (RMS) or an Alternative Conservation System (ACS). If an ACS is used the soil loss shall be no greater than 10 tons per acre per year and appropriate filter strips will be used where runoff leaves the field. These filter strips will be in addition to "Buffers" required by DEM. (See FOTG Stantard 393 - Filter Strips and Standard 390 Interim Riparian Forest Buffers). 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" in the NRCS Technical Reference - Environment file 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 conditions conducive to odor or flies and to provide uniformity of application. 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. 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 a crop on bare soil. 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 anv perennial stream or river (other that an irriaation ditch or canal. Animal waste Page 6 of 9 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 landownwer. 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 croplands provided they have been approved as a land application site by a "technical specialist". Animal waste should not be applied on grassed waterways that discharge directly into water courses, except when applied at agronomic rates and the application causes no runoff or drift from the site. *16. Domestic and industrial waste from washdown facilities, showers, toilets, sinks, etc., shall not be discharged into the animal waste management system. *17. A protective cover of appropriate vegetation will be established on all disturbed areas (lagoon embankments, berms, pipe runs, etc.). If needed, special vegetation shall be provided for these areas and 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. Lagoon 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 as a preemergence with no other applications of animal waste during the crop season. *21. Highly visible markers shall be installed to mark the top and bottom elevations of the temporary storage (pumping volume) of all waste treatment lagoons. Pumping shall be managed to maintain the liquid level between the markers. A marker will be required to mark the maximum storage volume fpr 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 soils shall be monitored and alternative crop sites shall be used when these metals approach excessive levels. pH shall be adjusted for optimum crop production amd 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 Department of Agriculture regulations. * Liquid Systems Page 7 of 9 NAME OF FARM: South River Nursery 9-72 OWNER / MANAGER AGREEMENT I (we) understand and will follow and implement the specifications and the operation and maintenance precedures estalished 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/or storage system or construction of new facilities will require a new utilization plan and a new certification to be submitted to DEM before the new animals are stocked. I (we) understand that I must own or have acces to equipment, primarily irrigation equipment, to land apply the animal waste described in this waste utilization plan. This equipment must be available at the appropriate pumping time such that no discharge occurs from the lagoon in a 25-year 1-day storm event. I also certify that the waste will be applied on the land according to this plan at the appropriate times and at rates that no runoff occurs. NAME OF FACILITY OWNER: Steven Pe erson SIGNATURE: NAME OF MANAGER (if different from owner): DATE: /G=•3I-- /•6 please print SIGNATURE: DATE: NAME OF TECHNICAL SPECIALIST: Curtis Barwick AFFILIATION: Barwick Ag Services ADDRESS (AGENCY): 103 Country Club Circle Clinton, NC 28328 SIGNATURE: DATE: /6 -3% Page9of9 South River Farm Scale: 1M=200' Field #1 — 4.11 Ac. Wells w/100' offsets 3/26/2019 'ONNECTGIS 10),..13 LATN 14 ConnectGlS Feature Report Bladen2 Printed March 26, 2019 LcaMkTrY Surrounding Counties https://bladen2.connectgis.com/DownloadFile.ashx?i=_ags_mapcfl4cdb49dd34b658e5cc5fc81f7a83cx.htm&t=print 1/1 Swine Farm Waste anagement Odor Control Checklist Source Farmstead Cause • Swine production BMPs to Minimize Odor Vegetative or wooded buffers; I Recommended best management practices; 131 Good judgment and common sense Animal body surfaces • Dirty manure -covered animals ❑ Dry floors Floor surfaces • Wet manure -covered floors Et Slotted floors; ST Waterers located over slotted floors; ❑ Feeders at high end of solid floors; ❑ Scrape manure buildup from floors; ❑ Underfloor ventilation for drying Manure collection pits • Urine; • Partial microbial decomposition Ventilation exhaust fans • Volatile gases; Dust Gy-'Frequent manure removal by flush, pit recharge, or scrape; O Underfloor ventilation Site Specific Practices ❑' Fan maintenance; ❑a Efficient air movement Indoor surfaces • Dust O Washdown between groups of animals; O Feed additives; 0 Feeder covers; O Feed delivery downspout extenders to feeder covers Flush tanks Flush alleys • Agitation of recycled lagoon liquid while tanks are filling ❑ Flush tank covers; O Extend fill lines to near bottom of tanks with anti -siphon vents • Agitation during wastewater conveyance O Underfloor flush with underfloor ventilation Pit recharge points • Agitation of recycled lagoon liquid while pits are filling ❑ Extend recharge lines to near bottom of pits with anti -siphon vents Lift stations • Agitation during sump tank filling and drawdown O Sump tank covers Outside drain collection • Agitation during wastewater or junction boxes conveyance O Box covers AMOK' November 11, 1996, Page 3 1 Source Cause BMPs to Minimize Odor Site Specific Practices End of drainpipes at • Agitation during wastewater © Extend discharge point of pipes underneath lagoon conveyance lagoon liquid level Lagoon surfaces • Volatile gas emissions; 1;e'Proper lagoon liquid capacity; • Biological mixing; IW'Correct lagoon startup procedures; • Agitation 0 Minimum surface area -to -volume ratio; Cl Minimum agitation when.pumping; 0 Mechanical aeration; 19roven biological additives Irrigation sprinkler • High pressure agitation; nozzles • Wind drift - Irrigate on dry days with little or no wind; firiviinimum recommended operating pressure; Ill" -Pump intake near lagoon liquid surface; l9'" `Pump from second -stage lagoon Storage tank or basin surface • Partial microbial decomposition; ❑ Bottom or midlevel loading; • Mixing while filling; 0 Tank covers; • Agitation when emptying 0 Basin surface mats of solids; O Proven biological additives or oxidants Settling basin surface • Partial microbial decomposition; ❑ Extend drainpipe outlets underneath liquid • Mixing while filling; level; • Agitation when emptying ❑ Remove sealed solids regularly Manure, slurry or sludge • Agitation when spreading; spreader outlets • Volatile gas emissions CI Soil injection of slurry/sludges; O Wash residual manure from spreader after use; O Proven biological additives or oxidants Uncovered manure, • Volatile gas emissions while slurry or sludge on field drying surfaces O Soil injection of slurry/sludges O Soil incorporation within 48 hrs.; O Spread in thin uniform layers for rapid drying; O Proven biological additives or oxidants Dead animals Dead animal disposal pits • Carcass decomposition 4 -"Proper disposition of carcasses Incinerators • Carcass decomposition O Complete covering of carcasses in burial pits; O Proper location/construction of disposal pits • Incomplete combustion ❑ Secondary stack burners AMOC - November 11, 1996, Page 4 Source Standing water around facilities Cause • Improper drainage; • Microbial decomposition of organic matter Manure tracked onto public roads from farm access • Poorly maintained access roads BMPs to Minimize Odor Q Grade and landscape such that water drains away from facilities l J Fann access road maintenance Additional information : Swine Manure Management ; 0200 Rule/BMP Packet Site Specific Practices Available From : 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 ; PROI 07, 1995 Conference Proceedings NCSU, County Extension Center NCSU -BAE NCSU - SAE NCSU - BAE NCSU - BAE NCSU - BAE NCSU - Swine Extension NC Pork Producers Assoc NCSU Agri Communications Florida Cooperative Extension AMOC - November 11, 1996, Page 5 ) Flush Gutters Insect Control Checklist for Animal Operations Source Cause BMPs to Control Insects Site Specific Practices Liquid Systems • Accumulation of solids Lagoons and Pits • Crusted Solids O Flush system is designed and operated sufficiently to remove accumulated solids from gutters as designed. O Remove bridging of accumulated solids at discharge O 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 71 Maintain vegetative control along banks of Growth lagoons and other impoundments to prevent accumulation of decaying vegetative matter along water's edge on impoundments perimeter. Feeders • Feed Spillage 41* Feed Storage • Accumulations of feed residues Dry Systems O Design, operate and maintain feed systems (e.g., bunkers and troughs) to minimize the accumulation of decaying wastage. O Clean up spillage on a routine basis (e.g., 7 - 10 day interval during summer; 15-30 day interval during winter). El 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). 0 Inspect for and remove or break up accumulated solids in filter strips around feed storage as needed. AMIC - November 11, 1996, Page 1 Source Animal Holding Areas Cause • Accumulations of animal wastes and feed wastage BMPs to Control Insects Site Specific Practices O Eliminate low areas that trap moisture along fences and other locations where waste accumulates and disturbance by animals is minimal. O 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). Dry Manure Handling • Accumulations of animal wastes ❑ Remove spillage on a routine basis (e.g., 7 - 10 Systems day interval during summer; 15-30 day interval during winter) where manure is loaded for land application or disposal. O Provide for adequate drainage around manure stockpiles. O inspect for and remove or break up accumulated wastes in filter strips around stockpiles and manure handling areas as needed. For more information contact the Cooperative Extension Service, Department of Entomology, Box 7613, North Carolina State University, Raleigh, NC, 27695-7613. AM1C - November 11, 1996, Page 2 EMERGENCY ACTION PLAN PHONE NUMBERS DWQ Wl/ 9 - 446 - /.Ycf/ EMERGENCY MANAGEMENT SYSTEM 9/ 9 - 8'6 2 — 6; 94 0 SWCD S'/o-862-c',r9/ NRCS 9/0-8'61-6936 .t 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 Ieave your property to consider that you have a problem. You should make every effort to ensure that this does not happen. This plan should be posted in an accessible location for all employees at the facility. The following are some action items you should take. 1. Stop the release of wastes. Depending on the situation, this may or may not be possible. Suggested responses to some possible problems are listed below. A. Lagoon overflow -possible solutions are: a. Add soil to berm to increase elevation of dam. b. Pump wastes to fields at an acceptable rate. c. Stop all flows to the lagoon immediately. d. Call a pumping contractor. e. Make sure no surface water is entering lagoon. B: Runoff from waste application field -actions include: a. Immediately stop waste application. b. Create a temporary diversion to contain waste. c. Incorporate waste to reduce runoff. d. Evaluate and eliminate the reason(s) that 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 pump. b. Stop irrigation pump. c. Close valves to eliminate further discharge. d. Repair all leaks prior to restarting pumps. D: Leakage from flush systems, houses, solid separators -action include: a. Stop recycle pump. b. Stop irrigation pump. c. Make sure no siphon occurs. d. Stop all flows in the house, flush systems, or solid separators. December 18, 1996 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 away 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 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. ApproximateIy 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 DWQ (Division of Water Quality) regional office; Phone - - . 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, 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 Phone number • c. Instruct EMS to contact local Health Department. d. Contact CES, phone number - - , local SWCD office phone number - - and local NRCS office for advice/technical assistance phone number - - 4: If none of the above works call 911 or the Sheriffs Department and explain your problem to them and ask that person to contact the proper agencies for you. 5: Contact the contractor of your choice to begin repair of problem to minimize off -site damage. a. Contractors Name: b. Contractors Address: c. Contractors Phone: 2 December 18, 1996 6; Contact the technical specialist who certified the lagoon (NRCS, Consulting Engineer, etc.) a. Name: e 4.1'4'ra 2+01-4Jr4.4( b. Phone: 9(a- 3rs--/000 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. 3 December 18, 1996 Primary Secondary \` i►' EJ oc El CI El 7 El El Mortality Management Methods Indicate which method(s) will be implemented When se/ecing multiple methods indicate a primary versus secondary option. Methods other than those listed must be approved by the State Veterinarian. Routine Mortality Bra t-ee 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 (G3.106-403). The bottom of the burial pit should be at least one foot above the seasonal hig" water table. Attach burial location map and plan. Landfill at municipal solid waste facility permitted by NC DEQ under GS 15A NCAC 13B .020. Rerce-:-c at a rendering plant licensed under G.S. 106-168.7. Cor"olete incineration according to 02 NCAC 52C .0102. A composting system approved and permitted by the NC Department of Agriculture & Con- sumer Services Veterinary Division (attach copy of permit). If compost is distributed off -farm, addtional 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. 106-649.70). Any et-od 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. (Writte.- approval by the State Veterinarian must be attached). r)o- Version—November 26, 2018 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 whe rumbers of dead animals exceed normal mortality rates as specified by the State Veterinarian. • Burial must be clone in accordance with NC General Statutes and NCDA&CS Veterinary Division regulations and guidance. • Mass burial sites are subject to additional permit conditions (refer to facility's animal waste management system permit). • in The event of imminent threat of a disease emergency, the State Veterinarian may enact additional temporary procedures or measures for disposal according to G.S. 106-399,4. Signature of Farm Owner/Manager Signature of Technical Specialist Date 3 "" //-if Date " 4. ` Ooerator:Wayne Howard County: 8{a6en Date: 1l/21/99 Distance to nearest residence Cother than owner): 2000.0 feet I. STEADY STATE LIVE WEIGHT' 0 � 260 0 sows x 0 /bs. boars x . litters x 10.0 sows (farrow to finish) SOWS (farrow to feeder) head (finishing only) / �w n^� *nw»y ' jer x 30 x 1417 lob x |bs./p |bs. |bs. /bs. TOTAL STEADY STATE LIVE NEI8HT (SSLW) = 2. MINIMUM REQUIRED TREATMENT VOLUME OF LAGOON .. . "o/ume = 780oo / "^' . ,'`.�� - ~... .^�..� ~ .~.-- . .. Treatment yo}ume(CF)//h--��~/ "=''=�u»e»� Y»/ume(CF)//b. SS�W _-_- � -- x.vv Gr//o. bbLW, = � 3= = = = 0 0 780�0 0 0 0 Volume Vo/ume = 78000 0 | '' �~�~-' . cubic feet,' 3. DESIGN TREATMENT VOLUME Maintain treatment lagoon liquid level at e/evati oontoM of lagoon elevation 35.0 feety' on Lagoon size (for treatment lagoon liquid vo//.=-i ..~.-- . '�...^' "�'//� BS/END1 SS/END2 SS/SIDE1 SS/SIDE2 30 30 . . 3.0 3.0 LENGTH lzowa- /74 ECI WIDTH Moo AREA OF TUP LENGTH * WIDTH =500 E51"0 J~/4 ��9 (AREA OF TOp> ' . -' AREA OF BOTTOM Lb * Wb = 134.0 44.0 AREA OF MIDSECTION (Lm * Wm) *4 = CU. FT. = VOLUME Savo, (,(;.r [AREA TOP OF LAGOON AT �~ 5896.0 (AREA OF BOTTOM) pr (bs / bs |bs 1bs fee� ismoda| formu/ DEPTH y//12- _1? ALUX.0 (AREA OF MIDSECTION * 4) + 14*AREA MIDSECTION) I= ell TREATMENT LIQUID LEVEL 1. + AREA BOTTOM] * DEPTHA6- " 1.VS_) r7'9. It, 1-C-` 0 C TOP OF LAGOON ELEVATION (INCLUDES TEMPORARY STORAGE AND FREEBOARD) Place spoil as a continuous dike to elevation 46.0 feet. �/ TEMPORARY STORAGE REQUIRED DRAlNA811 AREA: Lagoon (top o|` dike) Length * Width = 200.0 110.0 22000.0 square feet*� 8ui!din3s (roof aou (ot water/ Length * Width = 0.0 0.0 ON square feet TOTAL DA Z2000.0 square feet Pumping cycle to be 15U.0 uays. �� oA. Volume of waste proouc*u Approximate da//y production of viuoure .// C/'/Lb SKLN 5B. U.00 i30\,' Volume = 7U000,0 Lbs. SSLN * UP of waste/Lb./Day * i80 0 ua�s Volume = 18064.0 cubic feet ^~^— ^ Volume of wash water This is the amount of fresh water used for wash/no floors or volume of frein water used for a flush system. Flush sysTems that rec|rcu/ r� the lagoon water are accouored for in 5�. `� Volume = Vo|ume = 0.0 ga//ons/uay * per cu. vt. {).0 cubic feet 18U days 'o cyc|e / 7.48 6a. . 5C. Volume of rainfall in excess of evaporaz/oo Use per/co of time when ra/nfa|/ exceeds evaporation by :ar8est amou.�' Rainfall c`--'- ' +8.V inches �v�uor ' = `.'~.' Excess ra/ofa|i (difference) '^^~ '''`''=p 7.0 /nc�es volume = 7.0 /n * UA / it Inch,, Per foot Volume = 12833.0 cuU/L feet tV~ = 5D. Volume of 25 year - Z* hour storm volume = 7.0 inches / 12 /ncxes per foot * D� Volume = 12833.3 cubic feet +^ [OTAL REQUIRED TEMPORARY 8TORA6E. 5A. 5B. 5C. 50. 18954.0 o.V 1283�.J 1283�.J cub /c cub /c cub /c Cub /c �eet feet i�eeC fee,c TOTAL 44620.7 cuo/c feet k/ 6. DEPTM OF STORAGE REQUIRED WDOyI L8u65W WAWNT Vjw% ELEvAT1m/ ` Deptn required = Vo|une oy t=mpvra'y scorage d/v/.|eo ,by Zhe ave'a9e z'en o/ tie temporary sto.'a8e DepCh required = 446Z0./ cubic feet/ Depth required = 2.6 Top of of dike e/evat/on = Lagoon treatment liquid elevation = Depth between top of dike and treatment //qu/U |eve| Depth requ//ed = Freeboa/'J = )ota( depth required = NOTE: IF THE DEP)H TO OR GREATER lHAN HAS BEEN PROVIDED. 1688U.0 square feet = feet net ���� BETWEEN Qp Gh /}iKE AND TREarMENV nZQUID LEVEL 10 � /ME TV/AL DWTH NEQUIHED, THEN AbEWAW Si`]RAIJ, 7. LAND APPLICATION OF EPFLuE'T FOR Nl[RJ%N DISPOSAL *PRIMARY °*m`�/ E|�F�u���r n/��o-u` "on",` ' loci A" �w~"' _-_ � --..~..`�". TYPE :sw/oe TYPEN :coast�/ *mInaL u : 160V.0 AURES / ANIMA : 9.0O�v TUTAL ACRES *SECONDAi/Y EFFL60�[ DISPOSAL AHEA� TvPE OF OPERATION : TYPE OF VEGETATION : ANIMAL UNITS : ACRES / ANIMAL UNIT : TOTAL ACHES : *ss -Z7 DESIGNED U.0 0.uOV0 U.0 ��v�D B, DATE - - BY - - r^ mu�w/ ' t�m��'»�� '-� .� ' AW OPERATION & MAINTENANCE PLAN Proper lagoon liquid management should be a important to manage levels so that you do not havee-rond priority, It is especially Wet periods,problems during extendrainand Maximum storage capacity should be available in the lagoon receiving crop is dormant (such as wintertime for bermudagrass) receiving rainy spells such as the Chun for periods when the that at the first signs of planths grthe thunderstorm in the later a on i the sum or when there are derstarm season in summertime, a farm waste management plan should be done whenever winter/early the spring,irrigation means receive lagoonq This will make storage space avalableland is dry lagoon according t rdiwe to periods liquid, In the late summer/early fall the lagoon should be pumped marker (see Figure 2-1) to allow for winter storage. Everyin the lagoon for future wet maintain the lagoon close to the minimum liquid level as ion p down to the low maintain plan l will allow It teffort shoulde w be made to g as the weather and waste Waiting until the lagoon has reached its maximum storage irrigate does not leave room for storing excess water Overflow from the lagoon for a,, ri capacity before starting to state law and subject to c reason except a 25. during extended wet periods. n .or action. year, 24-hour storm is a violation of The routine maintenance of a lagoon involves the following: Maintenance of a vegetative cover for the Fescue or common bermudagrass are the most common vegetative covers, The vegetation should be fertilized eachd, maintain a vigorous stand. The amount of fertilizer applied should based on a soils test, but in the event that it is no year, if needed, to a soils test each year, be the lagoon embankment and practical e s 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 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 b the wlaaste. water, Such chemicals could harm the bacterthe iaint not be allowed to enter the waste, lagoon that are treating Maintenance inspections of the entire lagoon should be made during theinitial the lagoon and at least monthly and after major rainfall and storm e vent efilling of checked should include, as a minimum, the following; s, Items to be Waste Inlet Pipes, Recycling Pipes, and Overflow Pipes --•look 1 • separation of joints for: 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 debns Embankment ---look for: 1. settlement, cracking, or 'jug" 2. side slope stability ---slumps holes 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 s. rodent damage coon Larger lagoons may be subject to liner damage due to wave a winds. These waves can erode the lagoon sidewalls, therebyweakening A good stand of vegetation will reduce the potential dame coon caused by strong wave action causes serious damage to a lagoon potential dal the lagoon dam, used to reduce the wave impacts, damage baffles innd the wave action, If baffles lagoon may be Any of these features could lead to erosion and weakening of the d any of these features, you should call an appropriate expert familiar w' construction of waste la Dons. You may nerd to provide a temporaryam,� If your lagoon has ofco $waste discharge.with dsign and technical eX However, a permanent solution should be rwed by he is a threat tech pert. Any digging into a lagoon darn with heavy rip with potentiallyntiserious consequences and shoulnotlbe conducted a serious by an appropriate technical expert, nducted unless Transfer Pumps ---check for proper operation of: 1, recycling pumps 2. irrigation pumps Check orfor leaks, loose fittings, and overall pump operation. An unusually noise, m a Iarge amount of vibration, may indicate that the pump sualle loud grinding p pis in need or repair or a NOTE; Pumping systems should be ins NOTE not completely "Surprised° byinspected and operated frequently enough so that you arsystem maintenance at a time youprmagooni atfailure, its low level, safety time should major repairs whenbe required, nHavingis a n perform your pumping too think about switching, repairing , or borrowing pumps, This will allow some early full lagoon u not the time your neighbor's lagoon is full also, You should consider maintaining afn inven lagoon is a e parts or pumps, inventory of spare 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 directl , You should ins1, adequate your diversion system for the fo]Iowin ; Y equate vegetation g 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 ' record the level again 4 to 6 hours after the rain (assumes there is no u give you an idea of how much your lagoon level will rise w is predicted, and then (you must also be recording your rainfall for this to work). Knowing p mptng)' This will (you mu irrigation applications and storage, If yourwith a certain rainfall amount i have an inflow problem from a surface> this shouldly, you helpma ]n lagoon from the surrounding land water divrsion lagoon re ma be iveiy, may Y seepage into the Lagoon Operation Startups I. 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 i end of the pipe to discharge near the bottompipe extender on the filling or another means of slowing the incoming watere ato erosionduringinitialthe lining, of 4, When possible, begin loading new lagoons in the spring to maxi bacterial establishment (due to warmer weather), maze 5. It is recommended that a new lagoon be seeded with sludge from working swine lagoon in the amount of 0.25g a healthy liquid volume, This seeding should occour at lspercentwo the prior to the addition of wastewater. 6. Maintain a periodic check on the lagoon liquid pH. If the H f 7,0, add agricultural lime at the rate of I p falls below lagoon liquid volume until the pH rises aboven7, , Optimum ulagoon feet liquid pH is between 7.5 and 8,0, 7, A dark color, lack of bubbling, and excessive odor signals inadequate biological activity, Consultation with a technical specialist if these conditions occur for rolon edespecially ilis rig th warm season. prolonged Periods es eciall during the warm Loadings The more frequently and regularly that wastewater is added to a lagoon, the better lagoon will funotion. Flush systems that wash waste into the lagoon several times the daily optimum for treatment, Pit recharge systems, in which one or more buildings are drained ed and recharged each day, also work well, Practice water conservation ---minimize buildin spillage from leaking waterers, broken pipesli; water usage and an proper maintenance and water conservation, d washdown through Minimize uf� wastage and spillage bykeeping feeders the amount of solids enteng the lagon adjusted, This Management: Maintain lagoon liquid level between the the full temporary storage level, Permanent storage level and place visible markers or stakes on the lagoon bank to minimum liquid level and the maximum liquid lever show the Stan irrigating at the earliest (Figure 2 1 j, nutrient requirements and soil moisture so ate that temp will be maximized for the summer thunderstorm sea spring based on irrigate in the late summer/early fall to provide m storageag storage for the winter. Son' Similarly, maximum lagoon • The lagoon Liquid level should never be closer than I foot point of the dam or embankment, to the lowest 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 • prevent additions of bedding materials, long-stemmedpossible. molded feed, plastic syringes, or other forein materials thee Vagotat. Frequently remove solids from catch basins at end of confinement tagoon wherever they are installed, houses or Maintain strict vegetation, rodent, and varmint control near la Do not allow trees or large bushes to grow on lagoon dam or lagoon edges, Remove sludge from the lagoon either when the sludge storagebankty is full or before it fills 50 percent of the permanent storage volume. g capacity is • If animal production is to be terminated, the owner is responsible for obtaining and implementing a closure plan to eliminate the possibility pollutant discharge, y of a Sludge Removal: Rate of lagoon sludge buildup can be reduced by: proper lagoon sizing, mechanic Aids separation of flushed waste, gravity settling of flushed waste solids in an appropriately designed basin, or minimizing feed wastage and spillage, g 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 pump through large -bore lagoon nleler with system chopper -agitator impeller and soil incorporate, Y onto nearby cropland; • Dewater the upper ppe part of lagoon by irrigation onto nearby cropland or forageland; mix remaining sludge; pump into liquid sludge applicator; and spread onto cropland or forageland; and soil incorporate, g 1 haul Dewater the upperrporate. forageland; dede part sludge from lagoon oon with dra line or an area beside lagoon to receive the sludge so that liquids nearby cropland or ck into i allow sluto to dvey; haul and 8 sludgenban b; berm onto cropland or forageland; and soil incorporate. with can spreader rporate. Regardless of the method, you must have the sludge material analyzed for constituents just as you would your lagoon water. The sludge will contain nutrient and metal values from the Iiquid, The application of the sludge waste Limited by these nutrients as well as any revious waste applications to that fief Brent requirement. p g to fields will be Waste application rates will be discussed in detail in Chapter field and crop When removing sludge, you must also pay attention to the liner to prevent d attention by the pumper or drag -line operator will ensure that the lagoon liner remain intact. damage. Close If you see soil material or the synthetic liner material being disturbed,s stop the activity immediately and not resume until you are sure that the sludgyou should 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 incoTorated to reduce the chance of emsion. Note that if the sludge is applied to fields with very high soil -test has hores should be applied only at rates equal to the crop removal of phosphorus. As with ' it wastes, always have your lagoon sludge analyzed for its nutrient value. other 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 waste L es includees hilt agein through water from of failures Assuming proper design uagghnd to a bottom or rtshid s, overtopping, the structure, Types deam, Ang structure proper Items which may lead to lagoon pp g, and sibbreach of the owner has the responsibility for g failures include; Modification of the lagoon structure --- an example is the placement of a pipe in the darn without proper design and construction. C lagoon design before placing any pipes in dams.) Consult an expert in 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 i removal, or rupture from lowering lagoon scouring, �leverl be ow groundwaterduring cable, NOTE: If lagoon water is allowed to overtop the dam, the gf lliies wfor and a da Once this damage starts, it can moving cuter will soon cause dam failure, quickly cause a large discharge