/0.075564,51.462346,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
Oxleas wood, large pond
East Wickham, London
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217 Datapoints
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12 Observations
- Monitored since: 02 March 2025
- Last observation on: 10 May 2026
- Data collector: Lucy Hutchison
Latest water quality data added
608,505 datapoints at 9,496 locations
+678 new locations added in the last 30 days
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View trends at this location
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/0.000129,51.604332,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBeech Hall Crescent CSO
River Ching, London
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898 Datapoints
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70 Observations
- Monitored since: 05 November 2024
- Last observation on: 10 May 2026
- Data collector: Martha Jeffery
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/0.000755,51.604636,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBeech Hall
The Ching, London
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914 Datapoints
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85 Observations
- Monitored since: 08 December 2023
- Last observation on: 10 May 2026
- Data collector: Alistair Young
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/-80.461994,43.417605,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationGrand River Watershed
Schneider Creek, Kitchener
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29 Datapoints
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3 Observations
- Monitored since: 23 June 2023
- Last observation on: 10 May 2026
- Data collector: Diane Kilby
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/0.016257,51.621835,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationNewgate Street
The Ching, Buckhurst Hill
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803 Datapoints
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84 Observations
- Monitored since: 19 July 2024
- Last observation on: 10 May 2026
- Data collector: Kat Kavanagh
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/0.082161,51.46591,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationOxleas Meadow 2
Oxleas Meadow Site 2 , London
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56 Datapoints
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10 Observations
- Monitored since: 25 April 2024
- Last observation on: 10 May 2026
- Data collector: Zara Visanji
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/0.019402,51.625457,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationD/S Whitehall Rd
The Ching, Buckhurst Hill
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831 Datapoints
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86 Observations
- Monitored since: 19 July 2024
- Last observation on: 10 May 2026
- Data collector: Kat Kavanagh
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/0.019922,51.626392,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationWhitehall Outfalls
The Ching, Buckhurst Hill
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836 Datapoints
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85 Observations
- Monitored since: 19 July 2024
- Last observation on: 10 May 2026
- Data collector: Kat Kavanagh
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/0.089049,51.481147,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationSlade Pond Inlet
Slade Pond, London
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220 Datapoints
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14 Observations
- Monitored since: 25 April 2024
- Last observation on: 10 May 2026
- Data collector: Zara Visanji
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/0.088255,51.480692,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationSlade Pond Outfall
Slade Pond, London
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241 Datapoints
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15 Observations
- Monitored since: 25 April 2024
- Last observation on: 10 May 2026
- Data collector: Zara Visanji
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/-0.240021,51.39049,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationSt Joseph Hood Memorial Playing Fields
Brook, New Malden
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217 Datapoints
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14 Observations
- Monitored since: 11 January 2025
- Last observation on: 10 May 2026
- Data collector: Graham Bell
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/0.078482,51.463777,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationOxleas wood, site 3
East Wickham, London
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89 Datapoints
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10 Observations
- Monitored since: 28 February 2025
- Last observation on: 09 May 2026
- Data collector: Lucy Hutchison
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/-0.165213,51.594478,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationEast Finchley Allotments - West Stream
Bounds Green Brook, London
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37 Datapoints
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2 Observations
- Monitored since: 25 October 2025
- Last observation on: 09 May 2026
- Data collector: Harrison Tremain
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/-87.833252,41.913146,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationEvans Field - Des Plaines River -Trail Marker 215
Des Plaines River , River Grove
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129 Datapoints
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14 Observations
- Monitored since: 29 November 2024
- Last observation on: 09 May 2026
- Data collector: Serena Pesch
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/-88.220193,41.790977,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBayou Path Dr Stream in Atwater Subdivision
Stream, Naperville
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217 Datapoints
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21 Observations
- Monitored since: 21 December 2023
- Last observation on: 09 May 2026
- Data collector: Lisa Hjorth
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/-88.292574,42.166684,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationMain Street
Crystal Creek, Algonquin
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142 Datapoints
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16 Observations
- Monitored since: 25 November 2024
- Last observation on: 09 May 2026
- Data collector: JoAnn Schindler
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/-89.973615,38.534412,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationRichland Creek @ Centennial Park
Richland Creek, Belleville
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459 Datapoints
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49 Observations
- Monitored since: 07 November 2022
- Last observation on: 09 May 2026
- Data collector: Greg Kimutis
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/-88.290297,42.16626,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationDam 62
Fox River, Algonquin
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156 Datapoints
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15 Observations
- Monitored since: 25 November 2024
- Last observation on: 09 May 2026
- Data collector: JoAnn Schindler
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/-90.133189,38.486377,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationHickman's Creek @ Zingg & Seager Rd.
Hickman's Creek , Millstadt
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190 Datapoints
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16 Observations
- Monitored since: 02 November 2024
- Last observation on: 09 May 2026
- Data collector: Greg Kimutis
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/-90.101581,38.485018,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationPrairie DuPont Creek @ Zingg Bridge
Prairie DuPont Tributary, Millstadt
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579 Datapoints
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64 Observations
- Monitored since: 07 November 2022
- Last observation on: 09 May 2026
- Data collector: Greg Kimutis
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