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Research Report  4.4

Environmental Monitoring of Agricultural Constructed Wetlands:
A Provincial Study

Assoc. of Conservation Authorities of Ontario,
418A Sheridan Street, Peterborough, ONT K9H 3J9
COESA Report No.: LMAP-014/94

Objectives & Expected Outputs
Executive Summary

View / Download Report  [1278 KB]   (engineering reports NOT included)


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Objectives and Expected Outputs
  1. To identify approximately 12 farm sites across the province of Ontario which would meet at least one
    of the accepted design layouts for constructing an artificial wetland;
  2. To install equipment for the monitoring of both surface and groundwater quality at each of the identified
    farm sites identified in Objective 1 in advance of the construction phase (which is to be completed by
    the end of 1994), to provide baseline water quality information.
Expected Outputs: The report from this project will document the various Artificial Wetland designs used in the study, and will provide detailed information on the instrumentation used to monitor water quality (surface, groundwater) at the sites.
Type: Contribution Agreement, Conservation Authority
Spending Profile: 93-94: $120.0 K (does not include in-kind contributions from partners)
Status: Available March 1995


Executive Summary

A province-wide research project is being conducted to determine the practicality and treatment effectiveness of constructed wetlands for the treatment of barnyard runoff under Ontario's soil and climatic conditions. A total of 12 experimental wetland systems and two experimental grassed strips are being installed and monitored across southern Ontario. Designs incorporate a variety of components including runoff holding ponds, vegetated marsh treatment cells, and water quality polishing cells. Each individual design aspect is repeated at a number of sites to allow for comparison. A base line assessment of all sites includes: monitoring bacterial and chemical parameters in groundwater, surface water, and bottom sediments; continuous monitoring of surface water levels, relative humidity, water temperature, air temperature, and rainfall. Additional research is being conducted at selected sites including monitoring vegetation, macroinvertebrates, and wildlife. These experimental systems will allow for an assessment of treatment effectiveness, management requirements, and economic benefits for Ontario farms. The results of this research will further the development of low-cost alternatives for the farm community to protect water quality.



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Last Updated: May 17, 2011 11:04:16 AM