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?

62,598 observations

+688 new observations added in the past 30 days

St Joseph Creek at the Olsons : St Joseph Creek

Downers Grove, Illinois, United States

Observed by
Kathy Olson
Fri, 17 Nov 2023 15:29:00 -0600

Hill Ave Bridge : East Branch DuPage River

Lombard, Illinois, United States

Observed by
Joe Wywrot
Fri, 17 Nov 2023 15:10:00 -0600

Marina 200 : St. Lawrence River

Ontario, Canada

Observed by
Jonathan Ramundi
Fri, 17 Nov 2023 12:35:00 -0500

Mer Bleue Bog : Bog

Ottawa, Ontario, Canada

Observed by
Shannon Pelisek
Fri, 17 Nov 2023 17:31:04 +0000

Sangamon River at Reas Bridge : Sangamon River

Decatur, Illinois, United States

Observed by
Jen Hemphill
Fri, 17 Nov 2023 11:30:00 -0600

Cornwall Marina Co-op : St. Lawrence River

Ontario, Canada

Observed by
Jonathan Ramundi
Fri, 17 Nov 2023 12:20:00 -0500

Spring Creek- RVC Amphitheater : Spring Creek

Rockford, Illinois, United States

Observed by
SRES Student Environmental Organization
Fri, 17 Nov 2023 11:13:00 -0600

Near the stream that comes from Lac Girard : Lac McGlashan

Val Des Monts, Quebec, Canada

Observed by
Nikolas MacLean
Fri, 17 Nov 2023 09:37:58 -0500

Temagami Lake : Temagami Lake (Canoe House)

Ontario, Canada

Observed by
Brian Siebert
Thu, 16 Nov 2023 16:38:00 -0500

Spring Brook Creek - N of Meacham Grove FP : Spring Brook Creek

Roselle, Illinois, United States

Observed by
Karen Snyder
Thu, 16 Nov 2023 14:45:00 -0600

Fairview Park Sugar Creek Stewards Monitoring Site : Sugar Creek

Normal, Illinois, United States

Observed by
Katie Vogler
Thu, 16 Nov 2023 11:44:00 -0600

Point Petre Provincial Wildlife Area : Lake Ontario at Soup Harbour

Ontario, Canada

Observed by
Heather Ross
Thu, 16 Nov 2023 09:30:00 -0500

9 Gordon Ave E4 : The Ching

London, Waltham Forest, United Kingdom

Observed by
Philly Nicholls
Thu, 16 Nov 2023 14:25:00 +0000

6th Street park retention pond : Retention pond

Wood River, Illinois, United States

Observed by
Raegan Herzog
Wed, 15 Nov 2023 21:21:00 -0600

Gordon Moore Park Lake : Gordon Moore Lake

Alton, Illinois, United States

Observed by
Raegan Herzog
Wed, 15 Nov 2023 21:20:00 -0600

West branch of DuPage river at Beecher Rd, Winfield : West branch of DuPage river

Winfield, Illinois, United States

Observed by
Chris Thomson
Wed, 15 Nov 2023 12:40:00 -0600

Springbrook Water Reclamation Center Downstream : DuPage River

Bolingbrook, Illinois, United States

Observed by
DAVID SAITTA
Wed, 15 Nov 2023 12:35:00 -0600

Springbrook Water Reclamation Center Upstream : DuPage River

Bolingbrook, Illinois, United States

Observed by
Amy Wrigley
Wed, 15 Nov 2023 12:30:00 -0600

East DuPage river at St. Charles : East branch DuPage River

Glen Ellyn, Illinois, United States

Observed by
Chris Thomson
Wed, 15 Nov 2023 12:15:00 -0600

Culp Ln. pond : Culp Ln. pond

Bethalto, Illinois, United States

Observed by
Raegan Herzog
Wed, 15 Nov 2023 12:00:00 -0600