Massillon, Ohio, is moving closer to drawing a clearer line around where data centers can be built. On Aug. 3, the city is expected to consider new zoning rules meant to steer those projects away from residential areas and require proof that water, electric, and wastewater systems can handle them before any construction starts. What's happening? Following a July 13 work session, Massillon's nine-member City Council is still aiming to make a deci…