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• Denitrification Filters <br /> • Bandenpho Process <br /> • Solar Aquatics <br /> • Constructed Wetlands <br /> • Zenon and other Membrane Filtration Technology <br /> As noted previously, piping of effluent from a variety of existing and proposed private wastewater facilities <br /> (possibly including some existing septic systems) is also to be addressed. The list of alternatives to be analyzed <br /> will be determined in conjunction with the COMMISSION and advice from the Cape Cod Commission, the <br /> Barnstable County Health & Environment Department, the Mashpee Board of Health, DEP and the Waquoit Bay <br /> National Estuarine Research Reserve. Screening/assessment criteria for review of such technologies as well as the <br /> measures identified under tasks III B and C shall include,at a minimum: <br /> • suitability(general technical ability to achieve improvements under local conditions) <br /> • implementability (ability to construct and operate, including discussion of who would be best suited to <br /> implement, and whether regulatory changes are required) <br /> • performance (demonstrated real world effectiveness and reliability in similar soils and environments, and <br /> accounting for seasonal population changes) <br /> • long-term maintenance issues (including specific discussion of appropriateness of municipal <br /> manage men t/maintenance, as well as other feasible alternatives) environmental and health concerns (of the <br /> facility type itself) <br /> • efficient use of land <br /> • aesthetics <br /> • public acceptance/political feasibility <br /> • institutional concerns (permitting,particularly state approval) <br /> • cost(taxpayers, developer, individual property owner/customer) <br /> B. Identification, review and cost benefit analysis of all potentially feasible measures for mitigation of <br /> nitrogen levels in stormwater reaching groundwater or water bodies, for roadways, parking areas and other <br /> impervious surfaces. Analysis shall include level of nitrogen removal, maintenance requirements, construction <br /> and ongoing maintenance cost, land use efficiency, aesthetics, successful implementation in similar climates and <br /> soils and other factors indicating efficacy for use for roadways and in commercial, industrial and residential <br /> developments, including retrofit in existing developed areas. <br /> C. Identification, review and analysis of all other practical measures for reducing nitrogen inputs to the <br /> Popponesset and Waquoit Bay watersheds including, if appropriate, management of fertilizer use, landscape <br /> design practices, animal and agricultural waste management, treatment of nitrogen in plumes emanating from the <br /> former Town landfill and septage lagoons or other identified sources, constructed (or rehabilitated) wetlands or <br /> hydroponics systems, including wetland modification for nutrient reduction as proposed by SMaST, aquaculture <br /> systems, including the Mashpee Shellfish Department's shellfish reef project, open space acquisition, public <br /> education and policy or regulatory changes. (While improvements to flushing rates in the bays and <br /> subembayments are recognized as a potential important factor in improving the condition of the bays, they are not <br /> the focus of this Plan.)D. Upon completion of tasks III A,B, and C, a report shall be prepared describing in detail <br /> the identification, review and analysis of each of the technologies and measures studied, along with the <br /> ENGINEER'S general recommendations regarding which appear to be most suitable for application in Mashpee <br /> and why. Twenty (20) copies of the report shall be submitted to the COMMISSION for review and further <br /> distribution to other key parties. <br /> Critical nitrogen loading values will be derived from the DEP Popponesset and Quashnet TMDL reports for each <br /> of the subembayments being evaluated during this phase of the project These critical Nitrogen loading values will <br /> be the target loading values used for alternative evaluations of this and future phases. The critical nitrogen <br /> loadings will be based on MEP's evaluation of the subembayment's nitrogen assimulative capacity as well as the <br /> desired water quality in the subembayments. <br /> E. After review of the printed report, the contents of the above report shall be presented at a public meeting <br /> of the COMMISSION (which may be held as a joint workshop with other board or committees), at which public <br /> 4 <br />