Municipal stormwater systems epitomize the concept of “stranded infrastructure.” Unlike water and sewer systems, there is no dedicated funding stream to ensure adequate maintenance of stormwater systems. Capital funding (grants, bonds, or developer mitigation) pays for new infrastructure, but constrained tax revenues and competing priorities mean that public works departments are under resourced. Municipal staff are unable to conduct routine maintenance such as cleaning catch basins, repairing pipe, or removing blockages, resulting in lower pollutant removal an