![](https://api.mapbox.com/styles/v1/mapbox/outdoors-v10/static/url-https%3A%2F%2Fwaterrangers.ca%2Fobservation-marker-v1.png(-75.4582647,45.5164386)/-75.4582647,45.5164386,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
Downstream Petrie Island 'A' : Ottawa River
Ottawa, Ontario, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Testers upload observations each time they test at a location. Each individual observation report shows you the measurements taken on a specific day at a specific location. What's this?
+705 new observations added in the past 30 days
Ottawa, Ontario, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Gatineau, Ontario, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Gatineau, Ontario, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Gatineau, Ontario, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Ottawa, Quebec, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Ottawa, Ontario, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Ottawa, Ontario, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Ottawa, Ontario, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Gatineau, Quebec, Canada
Observed by Water Rangers Mon, 15 Jun 2009 20:00:00 -0400Ontario, Canada
Observed by Mississippi Valley Conservation Authority Mon, 15 Jun 2009 12:00:00 -0400Ontario, Canada
Observed by Mississippi Valley Conservation Authority Mon, 15 Jun 2009 12:00:00 -0400Ontario, Canada
Observed by Mississippi Valley Conservation Authority Mon, 15 Jun 2009 12:00:00 -0400Ontario, Canada
Observed by RVCA Lake Monitoring Program Mon, 15 Jun 2009 00:00:00 -0400Ontario, Canada
Observed by RVCA Lake Monitoring Program Mon, 15 Jun 2009 00:00:00 -0400Ontario, Canada
Observed by Yamile Gaudette Mon, 15 Jun 2009 00:00:00 -0400Ontario, Canada
Observed by RVCA Lake Monitoring Program Mon, 15 Jun 2009 00:00:00 -0400Parham, Ontario, Canada
Observed by RVCA Lake Monitoring Program Mon, 15 Jun 2009 00:00:00 -0400Ontario, Canada
Observed by Guy MacLeod Mon, 15 Jun 2009 00:00:00 +0000North Rose, New York, United States
Observed by State University of New York College of Environmental Science and Forestry (SUNY-ESF) Sun, 14 Jun 2009 00:00:00 -0400Ontario, Canada
Observed by RVCA Lake Monitoring Program Sat, 13 Jun 2009 00:00:00 -0400