3 Rivers Wet Weather, a nonprofit organization, is committed to improving the quality of Allegheny County's water resources by helping communities address the issue of untreated sewage and storm water overflowing into the region's waterways. To promote the most cost-effective, long-term, sustainable solutions, 3RWW benchmarks sewer technology, educates myriad audiences, coordinates regional approaches, and advocates for changes in public policy to support a consolidated municipal sewer collection system.