S & F Underground of Grinnell, Iowa is currently working on the E 12th St N Sanitary Sewer Extension Project. This project includes work in the 1200 through 1400 blocks of E 12th St N, and also the 1200 block of N 15th Ave E. When completed, sanitary sewer service will be available to several properties currently on private septic systems. Construction will continue over the next couple weeks, with periodic road closures and restrictions in this area.