stormwater EDITEDDuffield Associates’ team of water resource engineers, planners/landscape architects and scientists has extensive experience in the design and construction of stormwater management systems (water quality best management practices and green technologies) and erosion/sediment control practices in accordance with Pennsylvania, Delaware, Maryland and New Jersey’s stormwater management and sediment and erosion control regulations. Duffield Associates’ team members also have experience evaluating and developing stormwater utilities as well as procuring grants and other funding sources to support water resources project. Duffield Associates has won numerous awards for its innovative and effective water resource protection and management projects. The firm’s work in this area has been performed for the public and private sector clients.