Observations

Testers 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?

59,618 observations

+526 new observations added in the past 30 days

Engleholm Creek at UMSL : Engleholm Creek

Saint Louis, Missouri, United States

Observed by
Danelle Haake
Fri, 04 Mar 2016 00:00:00 +0000

leorgn : Lake Erie

Ohio, United States

Observed by
City of Toledo
Thu, 03 Mar 2016 00:00:00 -0500

leavon : Lake Erie

Avon Lake, Ohio, United States

Observed by
Avon Lake Regional Water
Thu, 03 Mar 2016 00:00:00 -0500

leelyr : Lake Erie

Lorain, Ohio, United States

Observed by
City of Elyria
Thu, 03 Mar 2016 00:00:00 -0500

Gravois Creek at Whitecliff Park : Gravois Creek

Saint Louis, Missouri, United States

Observed by
Danelle Haake
Thu, 03 Mar 2016 00:00:00 +0000

leelyr : Lake Erie

Lorain, Ohio, United States

Observed by
City of Elyria
Wed, 02 Mar 2016 00:00:00 -0500

leavon : Lake Erie

Avon Lake, Ohio, United States

Observed by
Avon Lake Regional Water
Wed, 02 Mar 2016 00:00:00 -0500

leorgn : Lake Erie

Ohio, United States

Observed by
City of Toledo
Wed, 02 Mar 2016 00:00:00 -0500

Gravois Creek at Union Road : Gravois Creek

Saint Louis, Missouri, United States

Observed by
Danelle Haake
Wed, 02 Mar 2016 00:00:00 +0000

Watkins Creek at Coal Bank Road : Watkins Creek

Saint Louis, Missouri, United States

Observed by
Danelle Haake
Wed, 02 Mar 2016 00:00:00 +0000

leelyr : Lake Erie

Lorain, Ohio, United States

Observed by
City of Elyria
Tue, 01 Mar 2016 00:00:00 -0500

leavon : Lake Erie

Avon Lake, Ohio, United States

Observed by
Avon Lake Regional Water
Tue, 01 Mar 2016 00:00:00 -0500

leorgn : Lake Erie

Ohio, United States

Observed by
City of Toledo
Tue, 01 Mar 2016 00:00:00 -0500

Halte Turgeon-Gaudreau : Halte Turgeon-Gaudreau

Sherbrooke, Quebec, Canada

Observed by
Pierre Legault
Mon, 29 Feb 2016 08:05:00 -0500

Halte Turgeon-Gaudreau : Halte Turgeon-Gaudreau

Sherbrooke, Quebec, Canada

Observed by
Pierre Legault
Mon, 29 Feb 2016 08:02:00 -0500

Halte : Halte

Sherbrooke, Quebec, Canada

Observed by
Pierre Legault
Mon, 29 Feb 2016 06:50:00 -0500

Ruisseau Nick : Ruisseau Nick

Sherbrooke, Quebec, Canada

Observed by
Pierre Legault
Mon, 29 Feb 2016 06:42:00 -0500

Halte Turgeon-Gaudreau : Halte Turgeon-Gaudreau

Sherbrooke, Quebec, Canada

Observed by
Pierre Legault
Mon, 29 Feb 2016 06:17:00 -0500

leavon : Lake Erie

Avon Lake, Ohio, United States

Observed by
Avon Lake Regional Water
Mon, 29 Feb 2016 00:00:00 -0500

leelyr : Lake Erie

Lorain, Ohio, United States

Observed by
City of Elyria
Mon, 29 Feb 2016 00:00:00 -0500