Navigating the New Stormwater Regulations in Massachusetts Thursday , May 20 th , 2010 Mass DEP has recently revised the Stormwater Management Standards and Handbook to promote increased stormwater recharge, low impact development (LID) techniques, pollution prevention, the removal of illicit discharges, and the maintenance of stormwater BMP's. Stormwater Management. The Bureau of Clean Water administers the NPDES permitting and compliance monitoring programs for industrial, municipal, and construction stormwater in Pennsylvania, and oversees the implementation of the Act 167 stormwater management program in DEP's regional offices. Please use the links on the right to learn more about these topics. Municipal Stormwater. Effective January 10, 2019, inquiries and correspondence regarding new permit applications, reporting, and compliance matters related to sites in Armstrong and Indiana Counties should be directed to DEP's Northwest Regional Office.Questions on permit applications under review as of January 9, 2019, and pending enforcement matters for Armstrong and Indiana Counties Vermont Department of Environmental Conservation. 2016. The Vermont Stormwater Management Manual Volume I - Stormwater Treatment Standards. Villanova College of Engineering. Pervious Pavers; Virginia Department of Environmental Quality. 2013. Design Specification 8 - Infiltration Practices. West Virginia Department of Environmental Protection Maryland Stormwater Design Manual Volumes I and II: Maryland Department of the Environment: 2009: Massachusetts: Massachussetts Stormwater Manual: Massachusetts Department of Environmental Protection: 1997: Michigan: Guidebook of Best Management Practices for Michigan Watersheds: Michigan Department of Environmental Quality: 1998: Minnesota 2019 update to the Stormwater Management Manual for Western Washington. We are in the process of updating the Draft 2019 Stormwater Management Manual for Western Washington (SWMMWW). The updates to the