/-79.387323,44.918907,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
Site 9
Lake Muskoka, Gravenhurst
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152 Datapoints
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16 Observations
- Monitored since: 18 July 2025
- Last observation on: 10 July 2026
- Data collector: Robert Haag
Latest water quality data added
645,378 datapoints at 9,273 locations
+645 new locations added in the last 30 days
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View trends at this location
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/0.070026,51.381872,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationKyd Brook S.W.O upstream
Kyd Brook, London
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805 Datapoints
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81 Observations
- Monitored since: 19 April 2023
- Last observation on: 10 July 2026
- Data collector: Kirsty Blackman
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/-1.484869,53.82395,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationArthur's Rein Easterly Road
Wyke Beck, Leeds
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27 Datapoints
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2 Observations
- Monitored since: 02 June 2026
- Last observation on: 10 July 2026
- Data collector: Paul Doney
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/-1.661038,52.214194,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationAlveston Weir
Avon Warwickshire, Stratford Upon Avon
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78 Datapoints
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6 Observations
- Monitored since: 08 December 2025
- Last observation on: 10 July 2026
- Data collector: Stephen Currie
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/0.064119,51.401922,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationKyd Brook Hawkswood Estate
Kyd Brook , London
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326 Datapoints
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34 Observations
- Monitored since: 08 July 2023
- Last observation on: 10 July 2026
- Data collector: Kirsty Blackman
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/-117.261034,49.202203,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationYmir Bc
Salmo River, Salmo
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25 Datapoints
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1 Observations
- Monitored since: 10 July 2026
- Last observation on: 10 July 2026
- Data collector: Shekinah Parks
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/-80.3295,43.1291,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationtest
test, Brantford
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18 Datapoints
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1 Observations
- Monitored since: 09 July 2026
- Last observation on: 09 July 2026
- Data collector: Kiersten Garside
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/-0.791714,51.080065,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationRadford Park - East Bridge
River Wey, Liphook
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52 Datapoints
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6 Observations
- Monitored since: 21 September 2025
- Last observation on: 09 July 2026
- Data collector: Kat Kavanagh
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/-89.968457,32.389602,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationPelahatchie Creek
Pelahatchie Bay, Brandon
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2,041 Datapoints
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137 Observations
- Monitored since: 27 April 2018
- Last observation on: 09 July 2026
- Data collector: Abby Braman
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/-0.018035,51.938565,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationAspenden Road Bridge (Site 14)
River Rib, Buntingford
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30 Datapoints
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1 Observations
- Monitored since: 09 July 2026
- Last observation on: 09 July 2026
- Data collector: Simon Browning
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/-0.085177,50.907931,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationSCN Middleton
Plumpton Stream, Hassocks
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76 Datapoints
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4 Observations
- Monitored since: 09 April 2026
- Last observation on: 09 July 2026
- Data collector: Jo Owens
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/-1.60434,55.00123,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationDene Bridge, Castles Farm
Ouseburn, Newcastle Upon Tyne
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122 Datapoints
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4 Observations
- Monitored since: 08 April 2026
- Last observation on: 09 July 2026
- Data collector: Simon Browning
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/-83.492768,46.254427,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationEvan's Creek
Evan's Creek, Thessalon
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325 Datapoints
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16 Observations
- Monitored since: 18 July 2025
- Last observation on: 08 July 2026
- Data collector: Community Volunteers
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/-123.51124,48.477175,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationChow Nicoll Park (Site 2)
Mill Stream, Highlands
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232 Datapoints
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24 Observations
- Monitored since: 31 July 2024
- Last observation on: 08 July 2026
- Data collector: Peninsula Streams & Shorelines
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/-123.515725,48.493801,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFinlayson Arm Road (Site 1)
Mill Stream, Highlands
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223 Datapoints
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24 Observations
- Monitored since: 31 July 2024
- Last observation on: 08 July 2026
- Data collector: Peninsula Streams & Shorelines
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/-123.498173,48.46834,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationGoldie Park (Site 3)
Mill Stream, Langford
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226 Datapoints
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24 Observations
- Monitored since: 31 July 2024
- Last observation on: 08 July 2026
- Data collector: Peninsula Streams & Shorelines
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/-123.472681,48.447408,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationHartwig-Saunders Park (Site 6)
Mill Stream, Victoria
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224 Datapoints
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23 Observations
- Monitored since: 31 July 2024
- Last observation on: 08 July 2026
- Data collector: Peninsula Streams & Shorelines
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/-123.482015,48.450212,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationAtkins Avenue (Site 5)
Mill Stream, Langford
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227 Datapoints
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24 Observations
- Monitored since: 31 July 2024
- Last observation on: 08 July 2026
- Data collector: Peninsula Streams & Shorelines
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/-123.487573,48.456915,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationCedar Vale Park (Site 4)
Mill Stream, Langford
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224 Datapoints
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24 Observations
- Monitored since: 31 July 2024
- Last observation on: 08 July 2026
- Data collector: Peninsula Streams & Shorelines
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/-78.268447,44.441563,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationLake Katchewanooka - north of LCS boat launch
Lake Katchewanooka, Lakefield
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46 Datapoints
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4 Observations
- Monitored since: 11 July 2023
- Last observation on: 08 July 2026
- Data collector: Susan Armstrong
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