Cincinnati may pilot impervious‑area fee

Cincinnati may put a price on pavement Cincinnati’s sewer utility is moving toward a pilot program that would charge some property owners based on how much hard, water-shedding surface they have on the ground. The Metropolitan Sewer District of Greater Cincinnati told local media on April 7, 2026, that the pilot could begin in 2027 if Hamilton County officials approve it. (wvxu.org) That sounds technical, but the basic idea is simple. A roof, parking lot, wide concrete driveway, or other “impervious” surface does not soak up rain, so the water runs off quickly and heads into storm drains and sewers instead. (wvxu.org) For a sewer system, that runoff is not a small side issue. The Metropolitan Sewer District says stormwater is a major driver of overflows, and its green infrastructure work has already captured more than 1 billion gallons of runoff annually while helping cut sewer overflows by nearly 8 billion gallons a year. (msdgc.org) The utility serves about 232,000 households and businesses across the City of Cincinnati and Hamilton County. That scale matters, because any change in how stormwater costs are assigned can shift bills across a very large customer base. (hamiltoncountyohio.gov) The proposal now under discussion is not a countywide permanent fee for everyone. According to WVXU’s April 7 report and an earlier July 15, 2025 report, the sewer district is considering a pilot aimed at owners of large impervious areas, especially properties that currently do not pay sewer service charges tied to the runoff they generate. (wvxu.org) That is why the story matters beyond government budgeting. If runoff from a large paved area becomes a direct operating cost, the math changes for developers, commercial property owners, institutions, and even homeowners thinking about oversized paved driveways or low-absorption hardscapes. (wvxu.org) The politics are still unsettled. WVXU reported in July 2025 that Hamilton County Commissioner Alicia Reece raised concerns about extra costs for churches, nonprofits, and small businesses, while Commission President Denise Driehaus said a pilot could give owners a chance to reduce charges by making on-site improvements that hold back water. (wvxu.org) The county’s role is central because the sewer district is county-owned. Hamilton County says it is responsible for setting policy, setting rates, approving budgets and capital plans, and adopting the rules and regulations under which the Metropolitan Sewer District operates. (hamiltoncountyohio.gov) This debate did not appear overnight. WVXU reported that a community task force recommended an impervious-surface fee nearly a decade ago, and the City of Cincinnati’s Environmental Advisory Board discussed a resolution supporting an impervious surface fee in March 2025. (wvxu.org) There is also a practical reason the idea keeps returning. Cincinnati already uses green infrastructure to keep rain out of the sewer system, including projects like the Lick Run Greenway, which the sewer district says eliminates about 800 million gallons of combined sewer overflows each year into Mill Creek. (msdgc.org) For property owners, the most important part of the proposal may be the incentive structure. The sewer district has said owners could reduce runoff and earn incentives by planting trees, building rain gardens, adding retention features, or replacing hard surfaces with more water-absorbing materials. (wvxu.org) Local public guidance already points in that direction. The Metropolitan Sewer District’s “Go Green” materials recommend rain barrels and rain gardens to capture runoff, while the City of Cincinnati’s green infrastructure guidance lists permeable pavement, permeable pavers, bioswales, and stormwater reuse among the tools that reduce flow to sewer systems and surface waters. (msdgc.org) That means the story is not just about a possible new fee in 2027. It is also about what gets specified in driveways, parking areas, and site plans now, because a surface that lets water soak in could become financially better than one that sends every storm straight into the public system. (wvxu.org) Contractors, landscape designers, and property owners do not yet have a final countywide billing rule to follow. But they do have a clear signal: Cincinnati’s sewer district is trying to move more of the stormwater burden onto the paved areas that create it, and the approval fight over a 2027 pilot is the next step to watch. (wvxu.org)