/0.088255,51.480692,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
Slade Pond Outfall
Slade Pond, London
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189 Datapoints
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12 Observations
- Monitored since: 25 April 2024
- Last observation on: 12 January 2026
- Data collector: Zara Visanji
Latest water quality data added
560,145 datapoints at 9,366 locations
+484 new locations added in the last 30 days
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View trends at this location
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/0.075564,51.462346,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationOxleas wood, large pond
East Wickham, London
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140 Datapoints
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8 Observations
- Monitored since: 02 March 2025
- Last observation on: 12 January 2026
- Data collector: Lucy Hutchison
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/-1.66823,53.77926,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFulneck Golf Course
Pudsey Beck, Bradford
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22 Datapoints
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1 Observations
- Monitored since: 12 January 2026
- Last observation on: 12 January 2026
- Data collector: Simeon Gurr
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/-1.679949,53.783674,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBlack Carr Wood
Tyresal Beck, Pudsey
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21 Datapoints
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1 Observations
- Monitored since: 12 January 2026
- Last observation on: 12 January 2026
- Data collector: Simeon Gurr
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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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42 Datapoints
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6 Observations
- Monitored since: 28 February 2025
- Last observation on: 12 January 2026
- Data collector: Lucy Hutchison
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/0.075059,51.464555,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationOxleas Meadow
Oxleas Meadow Site 1 , London
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33 Datapoints
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7 Observations
- Monitored since: 25 April 2024
- Last observation on: 12 January 2026
- Data collector: Zara Visanji
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/-88.164597,41.543694,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationRock Run Creek
Rock Run Creek, Joliet
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117 Datapoints
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18 Observations
- Monitored since: 12 November 2023
- Last observation on: 11 January 2026
- Data collector: Andy Neill
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/-88.183973,41.829393,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationHarry J. Wolf
Spring Brook Creek, Warrenville
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100 Datapoints
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11 Observations
- Monitored since: 12 November 2024
- Last observation on: 11 January 2026
- Data collector: Harry Wolf
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/-0.060575,51.58111,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationMarkfield Park (Stonebridge Brook) CSO
River Lea, London
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207 Datapoints
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16 Observations
- Monitored since: 29 June 2024
- Last observation on: 11 January 2026
- Data collector: Philly Nicholls
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/-0.060253,51.58119,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationUpstream of Markfield Park (Stonebridge Brook) CSO
River Lea, London
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204 Datapoints
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16 Observations
- Monitored since: 29 June 2024
- Last observation on: 11 January 2026
- Data collector: Philly Nicholls
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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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626 Datapoints
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70 Observations
- Monitored since: 19 July 2024
- Last observation on: 11 January 2026
- Data collector: Kat Kavanagh
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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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599 Datapoints
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68 Observations
- Monitored since: 19 July 2024
- Last observation on: 11 January 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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631 Datapoints
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69 Observations
- Monitored since: 19 July 2024
- Last observation on: 11 January 2026
- Data collector: Kat Kavanagh
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/0.020547,51.627561,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationWhitehall Plain
The Ching, Buckhurst Hill
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581 Datapoints
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55 Observations
- Monitored since: 14 July 2024
- Last observation on: 11 January 2026
- Data collector: Alistair Young
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/0.025535,51.634055,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFootbridge near Rangers Road
Ching Brook, Buckhurst Hill
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564 Datapoints
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55 Observations
- Monitored since: 14 July 2024
- Last observation on: 11 January 2026
- Data collector: Mo Tausif
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/0.025654,51.63776,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationDownstream of Connaught Water
The Ching, Buckhurst Hill
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721 Datapoints
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58 Observations
- Monitored since: 23 November 2023
- Last observation on: 11 January 2026
- Data collector: Alistair Young
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/-88.51028,41.737472,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBig Rock Forest Preserve
Big Rock Creek, Big Rock
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85 Datapoints
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17 Observations
- Monitored since: 26 November 2023
- Last observation on: 10 January 2026
- Data collector: Ryan Kriz
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/-88.240256,41.75116,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationWaubonsie Creek Trail Bridge
Waubonsie Creek, Aurora
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95 Datapoints
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16 Observations
- Monitored since: 17 December 2023
- Last observation on: 10 January 2026
- Data collector: Siobhan Kennedy
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/-79.073839,42.943575,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationStevensville Conservation Area
Black Creek, Stevensville
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178 Datapoints
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13 Observations
- Monitored since: 26 November 2024
- Last observation on: 10 January 2026
- Data collector: Robin Cupolo
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/-79.02174,42.963505,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBlack Creek footbridge from Shagbark Lane (Downstream)
Black Creek, Stevensville
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200 Datapoints
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14 Observations
- Monitored since: 29 October 2024
- Last observation on: 10 January 2026
- Data collector: Kiersten Garside
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