The Milwaukee Metropolitan Sewerage District historically faced 50 to 60 sewer overflows per year. MMSD is supplementing grey infrastructure investments made in the 1980s and 1990s with green infrastructure – including bioswales, permeable pavement, stormwater trees, rain gardens, and more – to help further reduce overflows. MMSD’s investment in green infrastructure could reduce the utility’s future infrastructure costs. In particular, an investment of $178 million for green infrastructure in the agency’s combined sewer service area would result in stormwater capture equivalent to $222 million investment in gray infrastructure. Click the link below to download the full case study.
Check out WaterNow’s Tap into Resilience Toolkit to learn even more about investing in localized solutions like MMSD’s in your community.
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