BOSTON GROUNDWATER TRUST
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ALTERNATIVE SYSTEMS

Below are other types of recharge systems that property owners have used to comply with the Article 32 Groundwater Conservation Overlay District (GCOD). Each type is site specific and was designed based upon storage capacity that is calculated during design. These are examples only. They are intended to assist the property owner (or contractor) in selecting the most efficient system.

StormTech: Subsurface Stormwater Management
http://www.stormtech.com/

  • Lightweight polypropylene plastic chambers
  • Helps recharge groundwater resources by recapturing nature’s own process of infiltration
  • Useful site with links and design calculators for Engineers, Contractors, Developers, Regulators, and Homeowners

CULTEC Chambers
http://www.cultec.com/

  • High density/ high molecular weight polyethylene plastic chambers
  • May be installed in trench or bed configurations according to site restrictions or client preference
  • Large variety of chamber sizes to accommodate almost any size site
  • Useful site for Engineers with CULTEC Chambers modeled in many current design software programs
  • An example of a commercial use CULTEC Chamber (click here).


Invisible Structure’s, Inc.: Rainstore3 
http://www.invisiblestructures.com/rainstore3.html

  • Made from injection molded plastic
  • Modular and stackable structure used to store stormwater underground
  • Rainstore3 units measure 40" x 40" x 4" and having a 94% void space provides nearly 25 gallons of water storage per unit
  • Useful site with links for Architects, Contractors & Installers, Engineers, and Homeowners

In addition to the systems listed above the following storage types have also been used by property owners:
  • Leaching Galleys or Chambers
    • Typically constructed of concrete or plastic
    • The concrete units are typically 4’ x 4’ x 4’. They are open on the sides and bottom to allow water to percolate into the soil, backfilled with crushed stone, and then covered in filter fabric (click here).
    • The plastic units are open bottom with feeds coming in from the top (click here).
  • Perforated Pipe
    • Typically constructed of concrete or plastic
    • Perforated Pipes are usually placed at the bottom of a pit, backfilled with crushed stone, and wrapped in filter fabric to allow percolation of water into the pipe for leaching out (click here).
  • Tank & Infiltration Wells
    • Typically constructed of concrete or plastic
    • Precipitation is temporarily stored in tanks and then slowly leaches out into infiltration wells (click here).
Boston Groundwater Trust 
229 Berkeley Street Suite 410 ● Boston, MA 02116 ● 617.859.8439
  • Home
  • Overview
  • Monitoring Well & Logger Data
  • Groundwater Conservation Overlay District (GCOD), Article 32 Zoning
  • History of the Trust
  • Organization
  • Piling Cut-off & Foundation Information
  • Maps
  • Project Comment Letters
  • Monitoring Well Permitting
  • Project LightWell
  • Recharge Projects
  • Groundwater In the News
  • Historic Reports
  • Pictures & Videos
  • Contact