Skip to main content
hyi
Banner
banner
bn

An Investigation of the Sources of Fecal Contamination at Petrie Island Beach on the Ottawa River in 2007

A study was conducted by the National Water Research Institute,   Environment Canada, to investigate the source of fecal pollution   responsible for beach postings at Petrie Island Beach near the City   of Ottawa in 2  7. Field observations and water samples were   collected weekly at the Beach and at upstream Ottawa River locations   from May 7 to October 15, 2  7. Water samples were analyzed for E.   coli, and detection of a DNA marker for anaerobic Bacteroides   bacteria associated with human fecal pollution.    Field observations found evidence of fecal contamination at Petrie   Island Beach from both bird and human fecal sources.  Bird droppings   were numerous at some places, although their role in beach postings   or human health risks remains uncertain. Observation of floatables   on the beach at times, was indicative of the impacts of human fecal   pollution. E. coli concentrations at Petrie Island Beach were higher   in the sand than in the adjacent beach water, and they increased in   the sand and beach water over the course of the bathing season.   These results are consistent with other studies that have found sand   serving as a reservoir for E. coli.  The human Bacteroides DNA   marker was detected in 26% of the beach water samples from Petrie   Island Beach in 2  7. Both E. coli concentrations and the occurrence   of the human Bacteroides DNA marker were much numerous at the Beach   associated with rain events than during dry weather.    (microbial source tracking); (MST); (bacterial source tracking);   (BST)

Status
In progress
Type
Project
Start Date
End Date
Scope of Study
Field Investigation
Laboratory Investigation
Scale of Phenomena
Cellular
State Province
Ontario
Region Being Monitored
Near and OpenShore Waters
Nearshore Terrestrial
Resource Being Monitored
Emission / Release / Discharge / Waste Management
Human Health
Suspended Sediments
Urban Land Use
Beneficial Use Impairment Assessments
Beach Closings
Annex Numbers
Pollution from Contaminated Groundwater
Pollution from Non-Point Sources
Remedial Action Plans and Lakewide Management Plans
General
Monitoring
Annex
  • Annex Numbers
    Annex Numbers
    Pollution from Contaminated Groundwater
    Pollution from Non-Point Sources
    Remedial Action Plans and Lakewide Management Plans
  • Annex 17

The Great Lakes - St. Lawrence Research Inventory is an
interactive, Internet-based, searchable database created as a tool to collect and disseminate
up-to-date information about research projects in the
Great Lakes - St. Lawrence Region.