The Economic Benefits of Green Infrastructure: A Case Study of Lancaster, PA offers real world evidence that green infrastructure (such as rain gardens, permeable pavement, and bioinfiltration installations) can be an effective, sustainable and budget-friendly approach to help manage stormwater in American communities. This EPA case study builds on CNT’s groundbreaking guide, The Value of Green Infrastructure, to quantify the cost savings, social benefits, and environmental advantages of Lancaster’s Green Infrastructure Plan.