What solutions to wastewater contamination are being considered for Dennis?
  1. What is the role of the Wastewater Implementation Committee (WIC) and what have they accomplished?

    The WIC is a committee consisting of 10 members; eight community volunteers appointed by the Select Board, and two members of the Select Board. Other Town staff are involved in the WIC as well, including the Town Engineer, the Director of the Office of the Board of Health and representatives from the Town Administrator's Office and the DPW senior management team.

    In recognition of the importance of preserving, restoring, and maintaining high-quality water resources, the WIC has been involved in the development of the Town's Comprehensive Wastewater Management Plan (CWMP).
  2. Will decentralized sewer systems help and are there alternatives to sewers?

    Decentralized sewer treatment systems consist of collection, treatment and dispersal of wastewater from individual homes, larger industrial or commercial facilities, clusters of homes or entire communities. These systems can be stand alone or be tied into existing centralized systems and can therefore be seen as an alternative to town wide sewering. Onsite I/A systems are also being considered.
  3.  What will happen to sludge from any proposed centralized sewer treatment facility?

    The sludge generated from a centralized wastewater treatment facility will be treated and either beneficially reused or disposed of in an existing approved landfill.
  4. What are Advanced Innovative and Alternative (I/A) systems. What are the pros and cons of such systems?

    I/A systems are onsite advanced septic systems designed for nutrient reduction. These are more sophisticated than a Title 5 system and must be monitored by a licensed operator.

    Pros: I/A systems are more efficient in removing contaminants such as nitrogen and solids from the wastewater over conventional technologies.

    Regulatory hurdles due to the new technology. The Department of Environmental protection (MassDEP) will need to approve the plan for a I/A technology prior to implementation.
  5. Why all the talk about oysters?

    Oysters have the ability to uptake and remove nitrogen from impaired water bodies. On Cape Cod, there are at least three examples where oyster aquaculture demonstration projects have been employed to help restore water quality and remove nitrogen from coastal estuaries. The Town of Dennis is intending to pilot this process and is considering it's use longterm as a polishing step to further remove nitrogen.

Show All Answers

1. Why all the talk about wastewater?
2. I thought Title 5 septic systems solved the issue of increased nutrient loading from wastewater on groundwater?
3. What are the nitrogen levels?
4. What solutions to wastewater contamination are being considered for Dennis?
5. Do septic systems impair our fresh water bodies?
6. What is the Cape Cod Commission 208 plan?
7. What are funding impacts?
8. How many phases will there be in the 40 year sewer project?