/0.0002,51.529767,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
Channelsea River by Northern Outfall
Channelsea River, London
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204 Datapoints
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13 Observations
- Monitored since: 01 March 2025
- Last observation on: 07 March 2026
- Data collector: Ruth-Ron-Caroline Keating
Latest water quality data added
578,951 datapoints at 9,351 locations
+559 new locations added in the last 30 days
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View trends at this location
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/-79.337511,42.974762,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationWelland River, River Rd, EC Brown Conservation Area
Welland River, Fenwick
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258 Datapoints
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17 Observations
- Monitored since: 29 December 2024
- Last observation on: 07 March 2026
- Data collector: Duncan MacDuff
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/-0.003434,51.526949,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationChannelsea River Gas Holders
Channelsea River, London
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207 Datapoints
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13 Observations
- Monitored since: 01 March 2025
- Last observation on: 07 March 2026
- Data collector: Ruth-Ron-Caroline Keating
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/-79.242775,42.998025,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationWelland River, River Rd Parkette
Welland River, River Rd Parkette, Welland
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263 Datapoints
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18 Observations
- Monitored since: 29 December 2024
- Last observation on: 07 March 2026
- Data collector: Duncan MacDuff
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/-75.615678,44.633101,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationMaitland
Maitland Manor Creek AT ROAD CULVERT feeding the St. Lawrence, Brockville
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66 Datapoints
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7 Observations
- Monitored since: 05 November 2025
- Last observation on: 07 March 2026
- Data collector: Philip Ling
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/-0.320482,51.490686,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationClitheroe Island - Boston Manor Park
River Brent, London
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233 Datapoints
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15 Observations
- Monitored since: 01 October 2024
- Last observation on: 07 March 2026
- Data collector: Alistair Young
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/-0.321028,51.490015,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationDuckweir - Clitheroe Island - Boston Manor Park
River Brent, London
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269 Datapoints
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16 Observations
- Monitored since: 01 October 2024
- Last observation on: 07 March 2026
- Data collector: Mitch Goldman
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/-0.34137,51.50289,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBrent_41 Union Canal Towpath
Brent River, London
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228 Datapoints
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13 Observations
- Monitored since: 01 February 2025
- Last observation on: 07 March 2026
- Data collector: Mitch Goldman
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/-123.334286,48.452003,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBrowning Park
Bowker Creek, Victoria
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700 Datapoints
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107 Observations
- Monitored since: 16 February 2024
- Last observation on: 06 March 2026
- Data collector: andrea gleichauf
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/-83.07047,42.244959,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationVince Marcotte Park
Turkey Creek, La Salle
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52 Datapoints
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2 Observations
- Monitored since: 13 November 2025
- Last observation on: 06 March 2026
- Data collector: Kiersten Garside
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/-83.041899,42.259699,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationSeven Sisters Park
Turkey Creek, Windsor
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55 Datapoints
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2 Observations
- Monitored since: 13 November 2025
- Last observation on: 06 March 2026
- Data collector: Kiersten Garside
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/-83.045226,42.263951,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationPond off Herb Gray Parkway
Pond off Herb Gray Parkway, Windsor
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54 Datapoints
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2 Observations
- Monitored since: 13 November 2025
- Last observation on: 06 March 2026
- Data collector: Thomas Vu
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/-79.27537,43.190155,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationHenley Island Boathouse
Martindale Pond, St. Catharines
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180 Datapoints
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18 Observations
- Monitored since: 29 October 2024
- Last observation on: 06 March 2026
- Data collector: Nengi Dublin-Green
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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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702 Datapoints
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76 Observations
- Monitored since: 19 July 2024
- Last observation on: 06 March 2026
- Data collector: Kat Kavanagh
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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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730 Datapoints
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78 Observations
- Monitored since: 19 July 2024
- Last observation on: 06 March 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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734 Datapoints
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77 Observations
- Monitored since: 19 July 2024
- Last observation on: 06 March 2026
- Data collector: Kat Kavanagh
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/-0.030985,51.60745,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFolly Lane EA monitoring point
The Ching, London
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685 Datapoints
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46 Observations
- Monitored since: 23 March 2025
- Last observation on: 06 March 2026
- Data collector: Harrison Tremain
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/0.009023,51.608856,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationThe Charter Road (Gordon Avenue)
The Ching, London
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1,332 Datapoints
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89 Observations
- Monitored since: 16 November 2023
- Last observation on: 06 March 2026
- Data collector: Alistair Young
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/0.009555,51.613892,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationHighams Park Lake
The Ching, London
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1,293 Datapoints
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90 Observations
- Monitored since: 17 January 2024
- Last observation on: 06 March 2026
- Data collector: Alistair Young
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/-123.327854,48.437203,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationKings Greenspace
Bowker Creek, Victoria
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186 Datapoints
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10 Observations
- Monitored since: 14 September 2025
- Last observation on: 06 March 2026
- Data collector: Eldan Goldenberg
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