Cicero has launched a free sewer valve program for homeowners to help prevent basement flooding with funding connected to record rainfall in 2023. Cicero has launched a free sewer valve program for homeowners to help prevent basement flooding with funding connected to record rainfall in 2023. CICERO, Ill. (WLS) -- Homeowners in suburban Cicero are beginning to receive free sewer system upgrades through a federally funded flood prevention program aimed at reducing basement flooding.