The City of Brazil owns and operates a municipal sewage works currently serving approximately 4,500 customers, which includes service from Knightsville/Harmony and various subdivisions outside the corporate limits.
The original wastewater treatment plant (WWTP) was a 1.1 MGD, 100 acre, four-cell waste stabilization lagoon treatment facility with post aeration. The plant was upgraded in 1995 at a 2.0 MGD, earthen basin extended aeration activated sludge process (Biolac-R) WWTP with a peak hydraulic capacity of 2.5 MGD. Also included are two clarifiers, a UV disinfection system, and flow meters. Flows exceeding 2.5 MGD are diverted to a lagoon system for treatment. The Collection system is comprised of 23 lift stations and includes approximately 67.5 miles of sewer lines ranging in size from 4” to 24” in diameter.
Check Valves:
Backwater valves shall be provided and installed in all building sanitary sewer laterals. The backwater prevention valve shall be located on the inside of basements or crawl spaces and be readily accessible at all times. The backwater prevention valve for buildings located on slabs shall be installed on the building side of the clean out.
Valves shall be Clean Check Backwater Valve by Rector Seal, Adapt-a-valve by Mainline backflow Products, or equal.
Valves for buildings located on slabs shall be installed in a water-tight access pit with fitted cover to provide access from maintenance, inspection, and cleaning.