Floating Treatment Wetlands

Photo courtesy: Baltidome Blog

On July 25, 2012 the Chesapeake Stormwater Network hosted a New Technologies Technical Workshop on the promising new technologies Floating Treatment Wetlands and Algal Turf Scrubbers as potential methods for improving water quality in the Chesapeake Bay. This was an opportunity for researchers to present their initial monitoring results and findings in order for the Chesapeake Bay Program’s (CBP) Urban Stormwater Workgroup (USWG) to make an informed decision regarding if there is enough independent data to allow for an Expert Panel on these new technologies.

The agenda, presentations and ultimate recommendations from this workshop can be downloaded below (data is preliminary).

As a result of this workshop, in 2013 the Urban Stormwater Workgroup opted to launch an expert panel to review the efficacy of Floating Treatment Wetland technology for reducing Nitrogen, Phosphorus and Sediment in the Chesapeake Bay Watershed.

On September 12, 2015 the Water Quality Goal Implementation Team approved the final recommendations of the of the Expert Panel to Define Removal Rates for Floating Treatment Wetlands in Existing Wet Ponds. Hooray! Congratulations to all of the panelists for all of their fine work and service to the Bay stormwater effort.  The final recommendations can be downloaded below.

Expert Panel Reports

Recommendations of the Expert Panel to Define Removal Rates for Floating Treatment Wetlands in Existing Wet Ponds-SHORT

The short version of the final expert panel recommendations on Floating Treatment Wetlands as an urban stormwater BMP.

Version september 2016 | Size (1 MB) | File type (.pdf) | Download

Recommendations of the Expert Panel to Define Removal Rates for Floating Treatment Wetlands in Existing Wet Ponds-LONG

The log version of the final expert panel recommendations on Floating Treatment Wetlands

Version september 2016 | Size (3 MB) | File type (.pdf) | Download

Training Resources

[Webcast] Crediting Floating Treatment Wetlands in the Chesapeake Bay

 

As for the Algal Flow-way Technologies, that was a BMP that was taken on by the Watershed Technical Workgroup – as it is a restoration approach that spans multiple source sectors (not just urban stormwater). That review panel came to completion and the recommendations were accepted by the Chesapeake Bay Program in early 2016. You can download the final report below and you can listen to a webcast we did on it here.

New Technologies Workshop Materials

New Technologies Technical Workshop Agenda

Agenda for the New Technologies Technical Workshop on Floating Treatment Wetlands and Algal Turf Scrubbers.

Size (135 KB) | File type (.pdf) | Download

New Technologies Technical Workshop Presentations

Presentations from the New Technologies Technical Workshop on Floating Treatment Wetlands and Algal Turf Scrubbers from July 25, 2012.

Size (23 MB) | File type (.pdf) | Download

Workgroup Findings & Recommendations

The findings and recommendations from the July 25, 2012 New Technologies Technical Workshop on Floating Treatment Wetlands and Algal Turf Scrubbers.

Size (1,012 KB) | File type (.docx) | Download

Algal Flow-way Technologies

Nutrient and Sediment Reductions from Algal Flow-way Technologies

The final approved report on crediting Algal Flow-way Technologies in the Chesapeake Bay watershed.

Version october 21, 2015 | Size (2 MB) | File type (.pdf) | Download