/-0.463752,51.337363,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
Byfleet beach
River Wey, West Byfleet
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262 Datapoints
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19 Observations
- Monitored since: 24 October 2025
- Last observation on: 09 October 2026
- Data collector: Alistair Young
Latest water quality data added
716,296 datapoints at 9,534 locations
+694 new locations added in the last 30 days
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View trends at this location
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/-0.741172,51.085231,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationShottermill
River Wey, Haslemere
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428 Datapoints
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48 Observations
- Monitored since: 01 August 2022
- Last observation on: 09 October 2026
- Data collector: Alistair Young
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/-0.529161,51.217966,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationChilworth Gunpowder Mills
River Tillingbourne, Guildford
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157 Datapoints
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27 Observations
- Monitored since: 26 April 2026
- Last observation on: 09 October 2026
- Data collector: Anna Pohorely
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/-0.568006,51.219073,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationShalford Mill
River Tillingbourne, Guildford
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575 Datapoints
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56 Observations
- Monitored since: 28 November 2022
- Last observation on: 09 October 2026
- Data collector: Anna Pohorely
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/-0.798743,51.082547,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationRadford Park : Pooh Sticks Bridge
River Wey, Liphook
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724 Datapoints
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81 Observations
- Monitored since: 26 June 2022
- Last observation on: 09 October 2026
- Data collector: Eddie Trotter
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/-90.08302,32.423823,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationMadison Landing
Ross Barnett Reservoir, Ridgeland
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602 Datapoints
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36 Observations
- Monitored since: 27 February 2025
- Last observation on: 08 October 2026
- Data collector: Abby Braman
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/-81.469138,28.485893,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationKC's Dock
Lake Cane, Orlando
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2,057 Datapoints
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181 Observations
- Monitored since: 24 October 2021
- Last observation on: 08 October 2026
- Data collector: Shannon Monahan
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/-91.611894,41.559455,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBelgum Grove
Belgum Pond #3, Cedar Rapids
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195 Datapoints
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13 Observations
- Monitored since: 24 March 2026
- Last observation on: 08 October 2026
- Data collector: Olivia G
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/-83.465688,46.350482,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBasswood Lake West
Phillips Creek, Thessalon
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493 Datapoints
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21 Observations
- Monitored since: 08 June 2025
- Last observation on: 08 October 2026
- Data collector: Community Volunteers
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/-66.850025,45.795097,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationYoho Pond
Yoho Pond, Yoho
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7 Datapoints
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1 Observations
- Monitored since: 08 October 2026
- Last observation on: 08 October 2026
- Data collector: The Gaia Project
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/-91.612556,41.560417,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBelgum Grove
Dirty Face Creek #2 (W), Iowa City
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322 Datapoints
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21 Observations
- Monitored since: 26 November 2025
- Last observation on: 08 October 2026
- Data collector: Olivia G
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/-84.218402,46.545934,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationRoot River Hwy 17E
Root River, Garden River
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999 Datapoints
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49 Observations
- Monitored since: 01 March 2024
- Last observation on: 08 October 2026
- Data collector: Elaine Ho-Tassone
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/-91.6085,41.561056,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBelgum Grove
Dirty Face Creek #1 (E), Iowa City
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281 Datapoints
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18 Observations
- Monitored since: 26 November 2025
- Last observation on: 08 October 2026
- Data collector: Olivia G
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/-84.24473,46.517857,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationDacey Rd Outfall at St. Marys River
Storm Water, Sault Ste. Marie
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1,413 Datapoints
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58 Observations
- Monitored since: 10 March 2025
- Last observation on: 08 October 2026
- Data collector: Community Volunteers
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/-1.99237,53.89494,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBent Culvert
Eastburn Beck, Leeds
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65 Datapoints
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3 Observations
- Monitored since: 01 May 2026
- Last observation on: 08 October 2026
- Data collector: Sam Riley-Gunn
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/-0.479841,51.552967,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFairfield Close
Frays, Uxbridge
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49 Datapoints
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3 Observations
- Monitored since: 07 August 2026
- Last observation on: 08 October 2026
- Data collector: Keith Ewart
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/-0.47614,51.557042,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFrays Farm
Frays, Uxbridge
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47 Datapoints
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3 Observations
- Monitored since: 07 August 2026
- Last observation on: 08 October 2026
- Data collector: Keith Ewart
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/-0.478925,51.553788,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this location127 Harefield Road
Frays, Uxbridge
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64 Datapoints
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4 Observations
- Monitored since: 07 August 2026
- Last observation on: 08 October 2026
- Data collector: Keith Ewart
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/0.0002,51.529767,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationChannelsea River by Northern Outfall
Channelsea River, London
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328 Datapoints
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20 Observations
- Monitored since: 01 March 2025
- Last observation on: 08 October 2026
- Data collector: Ruth-Ron-Caroline Keating
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/-0.477619,51.564026,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFrays Meadow
Frays, Uxbridge
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32 Datapoints
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2 Observations
- Monitored since: 10 September 2026
- Last observation on: 08 October 2026
- Data collector: Keith Ewart
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