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that closely resemble pre-development conditions, or take any other action related thereto. li reduce or prevent flooding by managing the peak dis- Submitted by Board of Selectmen charges and volumes of runoff, minimize erosion and and Watershed Management Committee sedimentation, not result in significant degradation of groundwater,reduce suspended solids and other pollu- Explanation: The Town's current Groundwater tants to improve water quality and provide increased Protection District zoning bylaw contains a fairly protection of sensitive natural resources. vague and difficult-to-implement standard for artifi- cial recharge of stormwater from properties with These standards may be met using the following or impervious lot coverage in excess of 15% ("a system similar best management practices: for artificial recharge ... that will not result in the For lots occupied, or proposed to be occupied, by sin- degradation of water quality") that was suggested by gle or two-family residences, recharge shall be model regulations developed by the state in the late attained through site design that incorporates natural 80s. The state's Department of Environmental drainage patterns and vegetation in order to maintain Management and the Massachusetts Coastal Zone Management Office, with assistance from the Pioneer pre-development stormwater patterns and water quali- g + Valley Planning Commission,have recently developed ty to the greatest extent possible. stormwater runoff N' from rooftops, driveways and other impervious sur- faces shall be routed through grassed water quality more specific standards and guidelines for stormwater management and artificial recharge, along with model sib swales, as sheet flow over lawn areas or to construct- ordinance language for infiltration practices. This pro- ed stormwater wetlands, sand filters, organic filters posed amendment is based on the suggested model and/or similar systems capable of removing nitrogen ordinance language. It specifies use of those "Best from stormwater. Management Practices"contained in the state's recent- ly-published Stormwater Management Handbook For lots occupied or proposed to be occupied by other which provide some level of nitrogen removal, are uses, a stormwater management plan shall be devel- appropriate for our soils and will minimize the impact oped which provides for the artificial recharge of pre- of any hazardous materials spills on our waters as the g basis on which applicants and Town boards will deter- cipitation to groundwater through site design that incorporates natural drainage patterns and vegetation mine whether the bylaw's standard on degradation of i� �t��, and through the use of constructed (stormwater) wet- groundwater quality has been meta The state's lands, wet (retention) ponds, water quality swales, Handbook is also referenced as the source of technical #fin sand filters, organic filters or similar site-appropriate standards for development of those best management 1A best management practices capable of removing nitro- practices. 1:Llgen and other contaminants from stormwater and meeting the Stormwater Management Standards and Motion made by George Costa. technical guidance contained in the Massachusetts Motion: I move Article 34 be voted as printed in the Department of Environmental Protection's warrant, with the exception of the phrase, "or take any other action relating thereto", and with the following Stormwater Management Handbook, Volumes 1 and 2, dated March 1997, for the type of use proposed and changes; in the first sentence change Article VII to the soil types present on the site. Such runoff shall not Article XIII, and the fifth paragraph change be discharged directly to rivers, streams, other surface Subsection 172.82.A to Subsection 174-82.A. a water bodies, wetlands or vernal pools. Dry wells Planning Board recommend approval unanimously. shall be prohibited. Except when used for roof runoff from non-galvanized roofs, all such wetlands, ponds, Motion passes unanimous 7:47 p.m. swales or other infiltration facilities shall be preceded Article 35 by oil, grease and sediment traps or other best man- agement practices to facilitate control of hazardous To see if the Town will vote to adopt the following materials spills and removal of contamination and to resolution to seek lower electric rates in a competitive avoid sedimentation of treatment and leaching facili- electricity market. ties. All such artificial recharge systems shall be Whereas the Commonwealth of Massachusetts is maintained in full working order by the owner(s) engaged in a process to establish a competitive mar l under the provisions of an operations and maintenance ketplace through deregulation and restructuring of the plan approved by the permitting authority to ensure electric utility industry; and, { that systems function as designed. Infiltration systems greater than three(3)feet deep shall be located at least Whereas citizens of the Town of Mashpee in one hundred (100) feet from drinking water wells. Barnstable County have substantial economic, envi Any infiltration basins or trenches shall be constructed ronmental, and social interests at stake; and, with a three(3) foot minimum separation between the Whereas the Town of Mashpee's residential and busi bottom of the structure and maximum groundwater ness consumers are interested in reducing their rates elevation.", and improving service; jl 74