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HomeMy WebLinkAbout780097_Permit Renewal Application 2019_20190410�-194 75 IVED; XG,:g X TP State of North Carolina Department of Environmental Quality APR 0 3 Z019 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. I . Farm Number: 78-0097 Certificate Of Coverage Number: 2. Facility Name: All In Farms. Inc. 3. Landowner's Name (same as on the Waste Management Plan): All In Farms Inc 4. Landowner's Mailing Address: PO Box §-��2/07 City: Elizabethtown State: NC Telephone Number: 910-8624444H�t. E-mail: 5. Facility's Physical Address: 8 13 Butler Farm Rd City: Saint Pauls State: 6. County where Facility is located: Robeson 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"): 10. Operator Name (OIC): Qhr±!��e� efto- 11. Lessee's Name (if there is not a Lessee, write "None"): 12. Indicate animal operation type and number: Current Permit: Operations Type Swine - Feeder to Finish Operation Types: Swine Cattle Wean to Finish Dairy Calf Wean to Feeder Dairy Heifer Farrow to Finish Milk Cow Feeder to Finish Dry Cow Farrow to Wean Beef Stocker Calf Farrow to Feeder Beef Feeder Boar/Stud Beef Broad Cow Gilts Other Other NC Clay Hodain DeVane 910-876-0345 Ext. MuIphi -Brown LLC Phone No.: 910-862-5t98- 3 Allowable Count 8,000 AWS780097 Zip: 28337-0535 Zip: 28384 OIC 94� Dry Poultry Other Types Non Laying Chickens Horses - Horses Laying Chickens Horses - Other Pullets Sheep- Sheep Turkeys Sheep - Other Turkey Pullet Wet Poulin Non Laying Pu I let Layers gi w� tylas ROY COOPER cowmor MICHAEL S. REGAN Sretwory LINDA CULPEPPER Disvc.'Pr NORTH CAROLINA En4ronmental Quality February 27, 2019 All In Farms Inc All In Farms, Inc. PO Box 535 Elizabethtown, NC 28337-0535 Subject: Application for Renewal of Coverage for Expiring State General Pen -nit Dear Perm ittee: Your facility is currently approved for operation under one of the Animal Waste Operation State Non -Discharge General Permits, which expire on September 30, 2019. Copies of the new animal waste operation State Non-Discbarge General Permits are available at httns:Hdeo.nc.zov/about/divisions/water-resources/Nvatermquali!Y-Tegional-operations/afo or by writing or calling: NCDEQ-DWR Animal Feeding Operations Program 1636 Mail Service Center Raleigh, North Carolina 27699-1636 Telephone number: (919) 707-9100 In order to assure �our continued coverwe under the State Non-Discharg-e General Pennits- %ou must submit an anVlication for ilermit coverave to the Division. Enclosed �ou will find a "RQ(Auest for Certificate of CoveraL!e Faciliv� Currenth, Covered bv an Exi)iriw), State Non-Dischame General Permit." The ayplication form must be completed- signed and returned b� Auril 3, 2019! Please note that .ou must include one t1l com of the Certified Animal Waste Manggement Plan (CAWMP) with the completed and signed application form. A list of items included in the _C_AW`NW__can be found on page 2of the renewal application form. Failure to request renewal of your coverage under a general permit within the time period specified may result in a civil penalty. Operation of your facility without coverage under a valid general permit would constitute a violation of NCGS 143-215.1 and could result in assessments of civil penalties of up to $25,000 per day. If you have any questions about the State Non -Discharge General Permits, the enclosed application, or any related matter please feel free to contact the Animal Feeding Operations Branch staff at 919-707-9 100. Sincerely, Jon Risgaard, Section Chief Animal Feeding Operations and Groundwater Section Enclosures cc (Nv/o enclosures): Favetteville Regional Office, Water Quality Regional Operations Section Robeson County Soil and Water Conservation District AFOG Section Central Files -.AWS780097 Murnhy -Brown LLC No rt � �s -o , a 0 spa n r, e- t 9 E r v , zi- — ems Q us t, I D ��s D f� of'Nater Fieso- roes 512 N. S& Sb ry St. 1 IS3 6 1; 9 Ss�% De Z2f is R Z e N D't� Z: aT 0 r a 27S919-193 S 9 19. 7:) 7 E 13. Waste Treatment and Storage Lagoons (VeriA- the following information is accurate and complete. Make all necessary corrections and provide missing data.) Structure Name Estimated Date Built ................. L mer T% pe (Clay, Synthetic, Unk-novvm) Capacity (Cubic Feet) Estimated Surface Area (Square Feet) Design Freeboard "Redline" (Inches) 7 7 �' 11 13 3 02-- -700000 25.80 4 (L.Al- Maill one (1) copy of the Certified Animal Waste Management Plan (CAIA'MP) with this completed and signed application as required by NC General Statutes 143-215.10C(d) to the address below. The CAVW must include the following components: 1. The most recent Waste Utilization Plan (WUP). sioned b% the owner and a certified technical wecialist, containing: a. The method by which waste is applied to the disposal fields (e.g. irrigation, injection, etc.) b. A map of ever), 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 specificati : ons 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: 2019PermitRenewalencdenr.gov APR n S Z019 wowcuft" Rediowl OP81190ns Sed-'Gn 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 p�nalties 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 corporation, sigiature should be by a principal executive officer of the corporation): Name: k 1 L itle: Signature: I I 1�' Date: Name: Signature: Name: Signature: Title: Date: Title: Date: should ' sign. If Landowner is a THE CONIPLETED 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: 2019PermitRenewai*,ncdenr.gov FORM: RENEWAL -STATE GENERAL 02/2019 114'., 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 25.80 296,208.00 LAG 1 25.80 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: I . The most recent Waste Utilization Plan (WUP), si,.,ned 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*,nedenr.gov NUTRIENT MANAGEMENT PLAN Grower(s): Farm Name: Doug & Keith Hilburn County: Hilburn Farms Farm Type: Robeson Feed -Fin Farm Capacity: 8000 Storage structure: Storage Period: Anaerobic Lagoon Application Method: 180 days Irrigation 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 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: I . 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 be applied to land eroding at les than 5 tons r acre per year. Waste may be applied to land eroding at 5 or mor s pe e tons per acre annually, but less then 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 result in runoff to surface waters which is not allowed 'der DWQ regulations. un 5. Wind conditions should also be considered to avoid drift and downwind odor Page: Problems. 6. To ma)dmize 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 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 application 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. In some cases you may want to have plant analysis made, which 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 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. AMOUNT OF WASTE PRODUCED PER YEAR (gallons, ft3, tons, etc.): 8000 animals x 986 gal/animal/year = AMOUNT OF PLANT AVAILABLE NITROGEN PRODUCED PER YEAR pbs): 8000 animals x 2.30 lbs/animal/year = 7t884,000 gallons 18,400.00 lbs equipment to apply the waste in a timely manner. rl e Applying the above amount of waste is a big job. You should plan time and have aPprop at The following acreage will be needed for waste application based on the crop to be grown, $Oil type, and surface application. Page: 2 �;W3-3 ' 3983-3 2 3963-31 3 'JU153-4 __ 4 3911�3-3 S' 3963-3 6 396" -r .396 8 396 _A 13963-1 lo 3963-1 11 3963-1 12 3983-1 13A 3-1 3_' 3963-1 1313! 3963- 14 39WS Is- 396 -16 3963-5 17 all all T PS Pe C od Code e 'AC /Ac lu /unit nit No N 0A A B B 5.2 2 50 50-00 _00 3 3.40 NOA B j 5.2 50-00 4.80 NoA B 5.2 50-00 4 NQA B 5.2 50-00 .80 4.80 NoA B 5-2 50-00 4.80 NoA 8 5.2 50-00 4.80 NoA B 5-2 50.00 4.80 NoA B 5-2 50-00 4.80 NoA B 5-2 50-00 4.80 NoA B 5.2 50-00 3.53 NoA B 5 *2 50-00 3.53 NoA B 5.2 50-00 3.63 NoA B 5.2 so.00 )NoA B 5.2 50-00 -3-M NoA B 5-2 50.00 3.88 NoA I B 5.2 50-00 4.13 NoA I B 5.2 50-00 4.38 NOA B 5-2 50-00 2.97 NcA K 50-00 73.74 Total 73-7 Available N *Difference Residual 'Jq /Ac 260 ' 0 260.0 260 ' 0 260.0 260.0 260.0 260.0 260.0 260.0 260.0 260.0 260.0 260.0 260.0 260.0 260.0 260.0 260.0 50.0 N 884.00 1248.00 1248.00 1248.00 1248.00 1248.00 1248.00 1248.00 1248.00 917.80 917.80 917.80 569.40 988.00 1008.80 1073.8o 1138.80 - 772.20 3687.00 18400.00 -4459.40 -Indicates that this field is being Overseeded (i.e. interplanted) or winter annuals follow summer annuals. *A negative number reflects the total lbs of additional nitrogen needed to achieve Yields on acrea nitrogen produced by the farm. a 9e listed in chart. A Positive number means additional acre ge is required to utilize the NOTE: This Plan does not include commercial fertilizer _ The farm should Produce adequate plant available nitrogen to satisfy the requirements of the crops listed above. 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 bermuda), 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 g e to a height of four inches. In fields where small grain, etc, raz d is to be removed for hay or silage, care. Time to Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct Mar -Oct S-April Page: 3 should be exercised not to let small grain reach maturity, especially late in the season (i.e. April or May). Shading May result if small grain gets too high and this will definately interfere with 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 headin the normal situation, you are encouraged to cut the small grain earlier. g as is 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 cut to a height of about two inches before drilling for best results. The following legend explains the crop codes listed in the table above: Crop -code Crop A Barley B Hybrid Bermudagrass - Grazed C Hybrid Bermudagrass - Hay D Corn - Grain E COrn - Silage F Cotton G Fescue - Grazed H Fescue- Hay I Oats J Rye K Small Grain - Grazed L Small Grain - Hay M Grain Sorghum N Wheat 0 Soybean Lbs N -utifted / urL t Aeld 1 .6 lbs N / bushel 50 lbs N / ton 50 lbs N / ton 1.25 lbs N bushel 12 lbs N ton 0. 12 lbs N lbs lint 50 lbs N ton 50 lbs N ton 1.3 lbs N / bushel 2.4 lbs N / bushel 50 lbs N / acre 50 lbs N / acre 2-5 lbs N / cwt 2.4 lbs N / bushel 4.0 lbs N / bushel Acres shown in the preceding table 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. 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 Page: 4 prevent over application of nutrients or other elements. Your production facility will produce approximately 0.36 pounds of plant available nitrogen per animal per year in the sludge based on the application method listed earlier. If you remove the sludge every 5 years, you will have approximately 14400.00 pounds of PAN to utilize. Assuming you apply this PAN to hybrid bermudagrass; hayland at the rate of 300 pounds of nitrogen per acre, you will need 48-00 acres of land. If you apply the sludge to com at a rate of 125 pounds per acre, you will need 115.20 acres of land. Please be aware that these are only esfimates of the PAN and land needed. Actual requirements could vary by 25% depending on your sludge waste analysis, soil types, realistic yields, and applications. 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. If surface irrigation is the method of land application for this plan, it is the responsibility of the producer and irrigation designer to 6neure that an irrigation system is installed to properly Irrigate the acres shown in the preceding table. Failure to apply the recommended rates and amounts of nitrogen shown in the tables may make this plan invalid. — The following is provided as a guide for establishing application rates and amounts. Field soil "T Oi� IM Cro Application Rate Appi in/hr 0.50 3983 all NoA BK Application Arno-un-t- -* inches 1.00 *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 limitation. 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 instance should the volume of the waste 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 responsiability of the producer and waste applicator to ensure that the spreader equipment is operated properly to apply the correct rates to the acres 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 receive the waste analysis report for assistance in Page: d6termining the amount of waste per acre and the Proper application prior to applying the waste. Additional Comments: FOultry waste or enmmis ial fertill r may be applied if available nitrogen is not adequate for crop needs. If -Wied, records must be kept and PAN listed in plan must not be fed. Page: 6 NUTRIENT MANAGEMENT PLAN CERTIFICATION Name of Farm: Owner/Manager Agreement: I/we understand and will follow and implement the specifications and the operation and maintenance Procedures established in the approved animal waste nutrient management 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 nutrient management plan and a new certification to be submitted to DWQ before the now animals are stocked. I/we understand that I must own or have access to equipment, primarily irrigation equipment, to land apply the animal waste described in this nutrient management plan. This equipment must be available at the appropriate pumping time such that no discharge occurs from the lagoon in the event of a 25 year 24 hour storm. I also certify that the waste will be applied on the land according to this plan at the appropriate times and at rates which produce no runoff. This 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 (if different from owner): Please Print Signature: Name of Technical Specialist: Sonya Johnson Barber Affiliation: Harvest Net, Inc. Address: P.O. Box 32 Council, NC 28434 Telephone3,,-2 (910) 645-6758 Signature: Date Date �IXI&Z' Page: 7 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 I 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 r)erennial stream or river (other that an irriaation ditch or canal. Animal waste other than swine waste from facilities sited on or after October 1, 1995), shall not be applied closer than 25 feet to perennial waters. (See Standard 393 - Filter Strips) 12. Animal waste shall not be applied closer than 100 feet to wells, 13. Animal Waste shall not be applied closer than 200 feet of dwellings other than those owned by the 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. 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(J I(CIllove bri(IgIlIc oracclillillialed Ifischurg IVIII, U0011,38 SCIIIIIII; pits Wife Will brectlitil; is n1yorell, Ill Ile croslilli; ors,11111, io n (iow, ore,. ... I It, 1 1411 U illcliCs ovcr mort: onan jo% orstirrave. F)"Itylill; v - ... 411161111 yugulalivu collhol ill(IIII: 1JUJILs III* 1;10olls ond odier Impowitimcills Io prevelli al(:Cllllllll;llloll 11NICIAlyllig VuRujalive %V111CF's edge oil 111111111cli I's perimeter. -E-NMRGENCY ACTION PLAN PF'O�c- �7-Ngpzs DWQ ?/10 Vill swcl) ff ly 911* 7rCis ;Lul Will be cvwzc,;�4=2� Cc= Your aperZ602 wa watt-M or YOU Sh=td =ake. tis does act hz--,c C-- 'n;V 's you S� Cwd I. Stcic t!--e mr C f, waxt, this M=f c r=c=es 46C P(:zz.- leaz L 4belCw. r=zylzctbepczej,- scht�oas an-: ber--. to k=—,-Ze P-�== W-a-sta tz Iffe-la's a: Z-- c. S6 C T cc ZZ.-Lazz- Water is [a-,-CCCL �nc!ude: z. Z.,y $tcc b. Cr=-- a d--Ve:7'CC 6.0 c--r W.- C. T-Mst. 66im =ucz Evzl=-- Z=d CE= -Zr" (3) &-= clUsed the runcE: e' E�' t�e :=:�C= 7== fC7 the 4eidS yeh--. r=Cff CC_ C. L-j-c:s Z= Badude: b. C. Clcsz vm�v= ta IT lc=kS P:-.Cr ta m__zz- . �= z D. 1111:Se:; =Ud 2. C re%—jrC!e pU=C. b. 'ca C. Mo r.LhcLo,:Z:4-S. 't!:e CL Szc:.-' a —TT FOWS hc - ZI LL3;, Iff ush so ad e. Re air 2 77 lez!a Pr-c r. to r.=,, "MS. 1� Lezkzz: bzz-- cr r,-i-,;vz-rT OF17-2 Cm 0.2-en dhfs ES See7age as cppcsad to 2cW,=z L 6 cSsi-cle zc:icm: 2- or ccmc�. to =z-- In SeeTzz 't in bz--k to Ia.-.cc=L P=.p, and pt---= L -�'hcfez a. cm. - by bt-. z ME l'imaL" t7-7 or r=.Ove anL-=Is c z: =1 c a cl* 7vit h a and Ell hcl= CLC ty p, e so C. eva"""i-e the ccrZ--;On of d�e side walls and lagoon as 3CCI Of an d r, c t e F - -C us dz.,74,es. =y Approxi- re! =szd and FO r dL,-,zda n7 dz-,::.-:. ge a c tj:,4 as e=-zlcve-- ES-- M, I P' 4.6 e- Did the 3-CET. lez-vc Ll-,-- prcuer- DCL-- the sz-al hvvz tZe PC Ce Wate, a ra!7- ev-, U�c S-,M to =c.% S.Irmc- V.,,t- dz=zc:' Cei&,er on or off oFchc property)? uuc"'- r=cl-e-, Sar-z--;2 r a. hcL:.-C7TT YCLX MMon OfWafter P h r. C no U7:; e=, cr-cy num, b er A/ your Phme =',-T hct�d i=cludc: YCLX az=-4; azE!=Y, t--'ePhcrc a"-Iber, the datzEs of the Bmedi=t Emm k= 27 Z�-Cve, Icc:=.Or, of the 5L F-Urf, the rccz--:Cn or da-ra-doa of move=== of the Spm; Wczt-�er W-d Win C--nd:,�Cru. The ccr, Me= tha:P bzve B=a t!TT =c mr= --cu.—mess crt�c S:.-.=;Cr- b. L4*=LT I=vcs y or er=, Cal EY hca S p c C. k=uct M. to c--,---z-t Tc=-T E--Tth r d. C--=c: CHMS, pacce at:=b er -j62_jt:L7iLz 21 Ic=I SWCD cece '121 phone Icc--T oecz for zg��cm(tecclrrdczl zjzIs== phone 4. Lfcc.-..- a4:&,e a-bove wcec,,,c,7t Ciiffs nc;m., tz. ent and expf2in 9 11 or t�c Sh our to =.d as- pc=an . ccv�--Y Prcbr-- 60 _ct Prucer a_tIC7 as For YOLL the r ofy== c�cjce to b ezEl rvair cf bf,-, IAJ to P;C=Zct� - nr C. . . . . . . . . . . . . . . . . . . . . . . . . . ........ dia, the JL b. R70-3 7. pro — as IdVL.,.,a md ft= bzlmc*g to k=:p ;=bl=s vei:� Version —November 26, 2018 Mortality Management Methods �� �(- '? ') Indicate which method(s) will be implemented. When selecting multiple methods indicate a primary versus secondaty option. Methods other than those listed must be approved by the State Veterinarian. Primary Secondary Routine Mortality Burial three feet beneath the surface of the ground within 24 hours of knowledge of animal death. The burial must be at least 300 feet from any flowing stream or public body of water (G.S. 106-403). The bottom of the burial pit should be at least one foot above the seasonal high water table. Attach burial location map and plan. Landfill at municipal solid waste facility permitted by NC DEQ under GS 15A NCAC El 13B .0200. I Flul 71 Rendering at a rendering plant licensed under G.S. 106-168.7. Complete incineration according to 02 NCAC 52C .0102. 1171-ri A composting system approved and permitted 'the NC Department of Agriculture & Con- L4! y sumer Services Veterinary Division (attach copy of permit). If compost is distributed off -farm, additional requirements must be met anda Permit is required from NC DEQ. In the case of dead poultry only, placing in a disposaJ pit of a size and design approved by the NC Department of Agriculture & Consumer Services (G.S. 106-549.70). Any method which, in the professional opinio%of the State Veterinarian, would make possible the salvage of part of a dead animal's value without endangering human or animal health. (Written approval by the State Veterinarian must be attached). F-1 Mass Mortality Plan Mass mortality plans are required for farms covered by an NPDES permit. These plans are also recommended for all animal operafions. This plan outlines farm -specific mortality man- agement methods to be used for mass mortality. The NCbA&CS Veterinary Division sup- ports a variety of emergency mortality disposal options; contact the Division for guidance. • A catastrophic mortality disposal plan is part of the facility's CAWMP and is activated when numbers of dead animals exceed normal mortality rates as specified by the State Veterinarian. • Burial must beAone 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. Signatge of Farm Owner/Manager Signature of Technical Specialist 3,.)�_/,? Date Date Operator:Keith Hilburn County: Robeson Date: 05/14/97 Has the Site evaluation been completed & approved: /,ff:s 0.0 I. AVERAGE LIVE WEIGHT (ALW) 0 sows (farrow to finish) x 1417 lbs. 0 lbs 0 sows (farrow to feeder) x 522 lbs. 0 lbs 8000 head (finishing only) x 135 lbs. 1080000 lbs 0 sows (farrow to wean) x 433 lbs. 0 lbs 0 head (wean to feeder) x 30 lbs. 0 lbs Describe other 0 lbs Total Average Live Weight 1080000 lbs 2. MINIMUM REQUIRED TREATMENT VOLUME OF LAGOON Volume = 1080000 cubic ft (includes 3. STORAGE VOLUME FOR SLUDGE ACCUMULATION Volume = 272000.0 cubic feet 0 cu. ft. add. treat. vol.) TOTAL DESIGNED VOLUME Inside top length (feet) --------------------- 600.0 Inside top width (feet) ---------------------- 500.0 Top of dike elevation (feet) ----------------- 50.10 Bottom of lagoon elevation (feet) ------------ 39.60 Freeboard (feet) ----------------------------- 1.00 Emergency spillway depth of flow(feet) ------- 0.40 Side slopes (inside lagoon) ------------------ 3.0 Total design volume using prismoidal formula SS/ENDI SS/END2 SS/SIDE1 SS/SIDE2 LENGTH WIDTH DEPTH 3.0 3.0 3.0 3.0 591.6 491.6 9.10 AREA OF TOP LENGTH * WIDTH = 591.6 491.6 290831 (AREA OF TOP) AREA OF BOTTOM LENGTH * WIDTH = 537.0 437.0 234669 (AREA OF BOTTOM) AREA OF MIDSECTION LENGTH WIDTH * 4 564.3 464.3 1048018 (AREA OF MIDSECTION * 4) CU. FT. (AREA TOP + (4*AREA MIDSECTION) + AREA BOTTOM] 290831 1048018 234669 DEPTH/6 1.5 Total Designed Volume Available = 2386502 CU. FT 5. TEMPORARY STORAGE REQUIRED DRAINAGE AREA: Lagoon (top of dike) Length * Width ) + Surface area of connecting waste facili 600.0 500.0 0.0 300000.0 square feet Buildings (roof and lot water) or impervious area 0.0 square feet Describe this area. TOTAL DA 300000.0 square feet Design temporary storage period to be 180 days. 5A. Volume of waste produced Feces & urine production in gal./day per 135 lb. ALW 1.37 Volume = 1080000 lbs. ALW/135 lbs. ALW * 1.37 gal/day 180 days Volume = 1972800 gals. or 263743.3 cubic feet 5B. Volume of excess water 5C. Volume = 7240.6 gallons/day * Volume = 174240.1 cubic feet Volume of rainfall in excess of evaporation 180 days storage/7.48 gallons I per CF Use period of time when rainfall exceeds evaporation by largest amount 180 days evaporation 0.0 inches 180 days rainfall 8.0 inches Volume = 8.0 in * DA 12 in. per ft. = 199750 cubic feet runofJ Volume = 0.0 in * lagoon DA/12 in./ft = 0 cubic feet evap. Volume = 199750 cubic feet 5D. Volume of Volume of Volume Volume 25 year 24 hour storm "Heavy Rain" 6.9 in. 13.8 inches / 12 345000 cubic feet �—. Additional volume as follows: 6. 6.9 iii. inches per foot * DA TOTAL REQUIRED TEMPORARY STORAGE 5A. 263743 cubic feet 5B. 174240 cubic feet 5C. 199750 cubic feet 5D. 345000 cubic feet 5E. 0 cubic feet TOTAL 982733 cubic feet SUMMARY Temporary storage period====================> 180 days Rainfall during wettest period of storage===> 8.0 inches',, Evaporation during storage period===========> 0.0 inches/""4�'-� 25 year - 24 hour rainfall==================> 6.9 inches Heavy 6.-9 inches 1.00 feet Side slopes=================================> 3.0 : 1 Inside top length===========================> 600.0 feet Inside top 500.0 feet Emergency spillway elevation(if planned)====> 48.70 feet Top of dike alevation=======================> 50.10 feet Bottom of lagoon elevation==================> 39.60 feet Top of sludge elevation=====================> 40.75 feet Total required volume=======================> 2334733 cu. ft. * Actual design volume========================> 2386502 cu. ft. * Seasonal high watertable elevation (SHWT)===> 44.00 feet Stop pumping 45.17 feet Must be > or = to the SHWT 44.00 f ee�t Must be > or = to min. req. treatment el.=> 45.60 feet Min. Required treatment volume==============> 1080000 cu. ft. volume at stop pumping elevation============> 1126083 cu. ft. Start pumping 47.49 feet Must be at bottom of F.B. & 25 yr. rainfall & heavy rain Act. vol. less 25 yr. and heavy rainfall====> 2041502 cu. ft. Volume at start pumping elevation===========> 2039333 cu. ft. Required volume to be pumped================> 637733 cu. ft. Actual lume planned to be pumped==========> 639498 cu. ft. V I ' Qk Min. thic ness of soil liner when required==> l..Cfeet 7. DESIGNED BY:\,".",/�4 /7 APPROVED BY: DATE: x" DATE: 21 A 7, OPERATION & MAINTENANCE PLAN Proper lagoon liquid management should be a year-round priority. It is especially important to manage levels so that you do not have problems during extended rainy and wet periods. Maximum storage capacity should be available in the lagoon for periods when the receiving crop is dormant such as wintertime for bermadagrass or when there are extended rainy spells such as the thunderstorm season in the summertime. This means that at thefirst signs of plant growth in the later winter/early spring, irrigation according to a farm waste management plan should be done whenever the land is dry enough to receive lagoon liquid. This will make storage space available in the lagoon for future wet periods. In the late summerlearly fall the lagoon should be pumped down to the low marker to allow for winter storage. Every effort should be made to maintain the lagoon close to the minimum liquid level as loj�g as the weather and waste utilization plan will allow it. Waiting until the lagoon has reached its maximum storage capacity before starting to irrigate does not leave room for storing excess water during extended wet periods. Overflow from the lagoon for any reason except a 25-year, 24-hour storm is a violation of state law and subject to penalty action. LAGOON MAINTENANCE The routine maintenance of a lagoon involves the following: Maintenance of a veeetative cover for the dam Fescue or common bermadagrass are the most common vegetative covers. The vegetation should be fertilized each year, if needed, to maintain a vigorous stand. The amount of fertilizer applied should be based on a soils test, but in the event that it is not practical to obtain a soils test each year, the lagoon embankment and surrounding areas should be fertilized with 800 pounds per acre of 10-10-10, or equivalent. Brush and trees on the embankment must be controlled. This may be done by mowing, spraying, grazing, chopping, or a combination of these practices. This should be done at least once a year and possibly twice in years that weather conditions are favorable for heavy vegetative growth. NOTE: Ifvegetation is controlled by spraying, the herbicide must not be allowed to enter the lagoon water. Such chemicals could harm the bacteria in the lagoon that are treating the waste. Maintenance inspections of the entire lagoon should be made during the initial Elling 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 ofjoints 2. cracks or breaks 3. accumulation of salts or minerals 4. overall condition ofpipes Lagoon surface --- look for: 1 . undesirable vegetative growth 2. floating or lodged debris v' 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 ofvegetation or as a result of wave action 5. rodent damage Larger lagoons may be subject to liner damage due to wave action caused by strong winds. These waves can erode the lagoon side walls, thereby weakening the lagoon dam A good stand ofvegetation will reduce the potential damage caused by wave action. If wave action causes serious damage to a lagoon side wall, baffles in the lagoon may be used to reduce the wave impacts. Any of these features could lead to erosion and weakening of the dam. If your lagoon has any of these features, you should call an appropriate expert -familiar with design and construction of waste lagoons. You may need to provide a tenVorary fix if there is a threat of a waste discharge. However, a permanent solution should be reviewedby the technical expert. Any digging into a lagoon dam with heavy equipment is a serious undertaking with potentially serious consequences and should not be conducted unless recommended by an appropriate technical expert. Transfer Pumps --- check for proper operation of 1 recycling pumps 2. irrigation pumps Check for leaks, loose fittings, and overall pump operation. An unusually loud or grinding noise, or a large amount of vibration, may indicate that the pump is in need or repair or replacement. NOTE: Pumping systems should be inspected and operated frequently enough so that you are not completely "surprised" by equipment failure. You should perform your pumping system maintenance at a time when your lagoon is at its low level. This will allow some safety time should major repairs be required. Having a nearly full lagoon is not the time to Ofink about switching, repairing, or borrowing pumps. Probably, if your lagoon is full, your neighbor's lagoon is RM 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 rafi&H runoff, roof drainage, gutter outlets, and parking lot runoft) away from your lagoon and other waste treatment or storage structures. The only water that should be coming into 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: I . adequate vegetation 2. diversion capacity 3. ridge berm height Identified problems should be corrected promptly. It is advisable to inspect your system during or immediately following a heavy rain. If technical assistance is needed to determine proper solutions,, consult with appropriate experts. You should record the level of the lagoon just prior to when rain is predicted, and then record the level again 4 to 6 hours after the rain (assumes there is no pumping). This will give you an idea of how much your lagoon level will rise with a certain rainfill amount (you must also be recording your rah&ll 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. Imtnediately 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 possilble, 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 ofthe fiffl lagoon liquid volume. This seeding should occur at least two weeks prior to the addition of wastewater. 6. Maintain a periodic check on the lagoon liquid PH. If the pHfalls below 7.0, add agricultural lime at the rate of I pound per 1000 cubic feet of lagoon liquid volume until the PH rises above 7. 0. Optinium. lagoon liquid PH is between 7.5 and 8. 0. 7- A dark color, lack of bubbling, and excessive odor signals inadequate biological activity. Consultation with a technical specialist is recommended if these conditions occur for prolonged periods, especially during the warm season. Loading: The more frequently and regularly that wastewater is added to a lagoon, the better the lagoon will function. Flush systems that wash waste into the lagoon several times daily are optimum for treatment. Pit recharge systems, in which one or more buildings are drained and recharged each day, also work well. Practice water conservation --- minimi e building water usage and spillage from leaking waterers, broken pipes and wash down through proper maintenance and water conservation. Minimize feed wastage and spillage by keeping feeders adjusted. This will reduce the amount of solids entering the lagoon Management: Maintain lagoon liquid level between the permanent storage level and the M temporary storage level. Place visible markers or stakes on the lagoon bank to show the rainimum liquid. level and the maximum liquid lever (Figure 2- 1). Start irrigating at the earliest possible date in the spring based on nutrient requirements and soil moisture so that temporary storage will be maximized for the summer thunderstorm season. Similarly, irrigate in the late summer/early fall, to provide maximum lagoon storage for the winter. The lagoon liquid level should never be closer than 1 foot to the lowest point of the dam or embankment. aE�- XC:7 %nOWR APR 0- 3 ZIT w8wouaft", R8910n8l r-,-.0on Do not pump the lagoon liquid level lower that the permanent storage level unless you are removing sludge. V 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 fall or before it fills 50 percent of the permanent storage volume. If animal production is to be terminated, the o--Amer is responsible for obtaining and lementing 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: 0 Hire a custom applicator. Mix the sludge and lagoon liquid with a chopper -agitator impeller pump through large -bore sprinkler irrigation system onto nearby cropland; and soil incorporate. Dewater the upper part of lagoon by irrigation onto nearby cropland or forage land; mix remaining sludge; pump into liquid sludge applicator; haul and spread onto cropland or forage land; and soil incorporate. Dewater the upper part of lagoon by irrigation onto nearby cropland or forage land; dredge sludge from lagoon with drag line 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 forage land; 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. When removing sludge, you must also pay attention to the finer to prevent damage. Close attention by the pumper or drag -line operator win ensure that the lagoon liner remains intact. If you see soil material or the synthetic liner material being disturbed, you should stop the activity immediately and not resume until you are sure that the sludge can be removed without liner injury. Ifthe liner is damaged it must be repaired as soon as possible. Sludge removed ftom the lagoon has a much higher phosphorus and heavy metal content than liquid. Because of this it should probably be applied to land with low phosphorus and metal levels, as indicated by a soil test, and incorporated to reduce the chance of erosion. Note that if the sludge is applied to -fields with very high soil -test phosphorus, it should be applied only at rates equal to the crop removal of phosphorus. As with other wastes, always have your lagoon sludge analyzed for its nutrient value. The application of sludge will increase the amount of odor at the waste application site. Extra precaution should be used to observe the wind direction and other conditions which could increase the concern of neighbors. Possible Causes of Lagoon Failure Lagoon failures result in the unplanned discharge of wastewater from the structure. Types of fidlures include leakage through the bottom or sides, overtopping, and breach of the dam Assuming proper design and construction, the owner has the responsibility for ensuring structure safety. Items which may lead to lagoon failures include: Modification of the lagoon structure --- an example is the placement of a pipe in the dam without proper design and construction. (Consult an exp ert 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 win 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.