Section 123-5-007 - Truck Wash Wastewater Treatment Facilities007.01 Livestock Truck Washes 007.01A Livestock truck washes will either connect to a public sanitary sewer system or to a wastewater works designed and constructed according to the following standards. 007.01B Livestock truck washes will include wash pads that capture all wash water from the washing operation and convey it to the wastewater works. Wash pads will be constructed of concrete or another impermeable material. 007.01C One of the following wastewater systems will be used for livestock truck washes. 1) A complete retention facultative lagoon system.2) A wastewater storage pond and land application system.3) A solids separation system, wastewater storage pond and land application system.4) Another system proposed by the owner and approved by the Department.007.01D Lagoons and storage ponds used for truck washes will meet the design standards and testing requirements in Chapter 5, 005. 007.01E Wastewater facilities designed to separate solids from the wash water for separate handling and disposal will include a settling pit and a solids storage unit as specified below. 007.01E1 Solids settling pits will be constructed of concrete and will be watertight. Pits will have at least 24-hour detention time and be designed to contain both floatable and settleable solids. The design will include a method to remove solids from the pit. 007.01E2 Solids storage units will be watertight structures designed to dry and store solids removed from solids settling pits. A drain system will return surplus water back to the solids settling pit or to the lagoon. At least 120 days of solids storage will be provided with controls to prevent storm water run off.007.01F The hydraulic design of the WWTF will be based on historic flow records from other facilities using similar washing equipment. Where verifiable flow records do not exist, a flow not less than 1500 gallons per truck washed will be used for design. 007.01G The solids handling capacity will be based on data from similar facilities or on specific data from the owner's operation, such as the size of animals, the length of trips, the type of bedding material, and manure production rates. In the absence of specific data, the design will assume ten cubic feet of solids (bedding and manure) generated from each truck washed. 007.01H Livestock truck washes will receive written approval, including site approval, from the Department prior to land applying wastewater or wastewater solids. 007.01I Irrigation piping networks used to apply lagoon water will be equipped with check valves, vacuum relief valves, and low pressure drains, as necessary, to protect ground water wells or other sources or irrigation water from contamination from the back flow of lagoon water. 007.01J Livestock truck wash projects that are submitted for approval must include a written management plan adequate to prevent chemical tank trucks, garbage trucks, septage haulers, or other vehicles that could contain hazardous, toxic, or pathogenic wastes from using the livestock truck wash. Any security devices or structures described in the management plan to regulate usage must be shown on the plans submitted for approval. 007.01K A livestock truck wash that was reviewed and approved by the Department as part of an animal feeding operation (AFO) that has received approval for the livestock waste control facility under Title 130, Livestock Waste Control Regulations, is exempt from the construction permit requirements of this Title.123 Neb. Admin. Code, ch. 5, § 007
Amended effective 9/4/2019