Sewage Lagoon and Septic System Care

This subcontract for Sewage Lagoon and Septic System Care involves providing comprehensive monitoring, pumping, and maintenance services for sewage lagoons and privy vaults on SDDOT facility projects. The selected contractor will be responsible for inspecting lagoon levels, removing debris, treating mosquito larvae, and applying herbicides to dikes, while utilizing vacuum trucks to maintain septic tanks and privy vaults. All work must be performed in strict accordance with Department of Agriculture and Natural Resource requirements to ensure a fully operational wastewater system. The opportunity is issued by the South Dakota State Government under NAICS code 238910. Interested parties must submit their responses by the deadline of September 21, 2026.