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Aquatic-safe Liners and Wetland Construction

Aquatic-safe liners may be used to build wetlands on sites where clay texture soil is not present, and where groundwater is not near the surface. Installing a liner is a sure way to control leaking in a constructed wetland or pond. Liners made from 30-mil PVC, 30-mil RPE, or 45-mil EPDM work very well. The liners must be certified fish-grade and aquatic-safe, and be protected on both sides with thick geotextile fabric, and then covered with at least 6-inches of soil. Liners and geotextile may be purchased one-piece and factory seamed. Wetland Restoration and Training LLC Founder Tom Biebighauser has found that bentonite, bentonite quilted liners, and liquid polymers such as ESS-113 are not effective for stopping leaks or sealing wetlands and ponds. Liners must be protected on both sides with geotextile, and then covered with at least 6-inches of soil. Detailed instructions on how to build wetlands using liners can be found in the book by Thomas R. Biebighauser Wetland Restoration and Construction -A Technical Guide.

USA CA Tahoe National Forest Workshops 6 Wetland Restoration
USA CA Tahoe National Forest Workshops 3- Wetland Restoration
Liner wetland construction 5
Liner construction 3
Liner wetland construction 4

Photo Gallery

Enjoy these photos showing wetlands we have built using aquatic-safe liners!

  • USA AZ Whitetail Canyon Liner wetlands
  • USA AZ Coronado National Forest Wild Duck Liner 2 wetlands
  • USA KY Corbin Middle School Liner wetlands
  • USA AZ Coranado National Forest Halfmoon Ranch Liner 3 wetlands
  • USA KY Daniel Boone National Forest Liner 1 wetlands
  • USA AZ Appleton Whittell Research Ranch Liner 1 wetlands
  • USA KY Daniel Boone National Forest Colt Branch LIner wetlands
  • USA AZ Appleton Whittell Research Ranch Liner 2 wetlands
  • USA AZ Appleton Whittell Research Ranch Liner 3 wetlands
  • USA AZ Coronado National Forest Brown Canyon Ranch Liner 3 wetlands
  • USA AZ Coronado National Forest Brown Canyon Ranch Liner 1 wetlands
  • USA MA Cape Cod Liner 10 wetlands
  • USA AZ Coronado National Forest Wild Duck Liner wetlands
  • USA CA Eldorado National Forest Liner wetlands
  • USA California BLM Michigan Bluff wetlands 1
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