/-1.120519,52.94231,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
The Hook Lady Bay
River Trent, Nottingham
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71 Datapoints
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2 Observations
- Monitored since: 20 April 2026
- Last observation on: 14 May 2026
- Data collector: Alfie Kelly
Latest water quality data added
610,216 datapoints at 9,512 locations
+687 new locations added in the last 30 days
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View trends at this location
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/-0.804416,51.15542,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationUpstream of junction with River Wey/downstream from Frensham Great Pond
Whitmore Vale Stream , Farnham
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26 Datapoints
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1 Observations
- Monitored since: 14 May 2026
- Last observation on: 14 May 2026
- Data collector: Fiona Scimone
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/-0.793634,51.152715,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFrensham Pond Inlet stream
Frensham pond, Lindford
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312 Datapoints
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16 Observations
- Monitored since: 31 May 2022
- Last observation on: 14 May 2026
- Data collector: Fiona Scimone
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/-0.798869,51.153657,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFrensham Great Pond near outlet sluice
Frensham Great Pond, Blacknest
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454 Datapoints
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25 Observations
- Monitored since: 31 May 2022
- Last observation on: 14 May 2026
- Data collector: Fiona Scimone
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/-0.807023,51.158542,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFootbridge downstream of junction with Frensham Pond outlet
River Wey, Blacknest
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347 Datapoints
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20 Observations
- Monitored since: 30 May 2022
- Last observation on: 14 May 2026
- Data collector: Fiona Scimone
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/-87.7531,41.923,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationOswego
Fox River, Chicago
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36 Datapoints
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7 Observations
- Monitored since: 12 November 2025
- Last observation on: 13 May 2026
- Data collector: Lara Owczarski
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/0.253436,51.689981,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationLangford Bridge
River Roding, Ongar
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21 Datapoints
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3 Observations
- Monitored since: 06 March 2026
- Last observation on: 13 May 2026
- Data collector: Harrison Tremain
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/0.172246,51.655442,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationPassingford Bridge
River Roding, Romford
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20 Datapoints
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3 Observations
- Monitored since: 06 March 2026
- Last observation on: 13 May 2026
- Data collector: Harrison Tremain
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/0.145944,51.657396,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationPatch Park
River Roding, Romford
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21 Datapoints
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3 Observations
- Monitored since: 06 March 2026
- Last observation on: 13 May 2026
- Data collector: Harrison Tremain
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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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1,880 Datapoints
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166 Observations
- Monitored since: 24 October 2021
- Last observation on: 13 May 2026
- Data collector: Shannon Monahan
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/60.7547,46.0999,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBras D'Or Lake
Bras D'Or Lakes
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28 Datapoints
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2 Observations
- Monitored since: 30 April 2026
- Last observation on: 13 May 2026
- Data collector: Susanne O'Brien
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/-88.160541,41.697109,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationSpringbrook Water Reclamation Center Upstream
DuPage River, Bolingbrook
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132 Datapoints
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21 Observations
- Monitored since: 15 November 2023
- Last observation on: 12 May 2026
- Data collector: Amy Wrigley
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/-88.441272,41.781438,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBliss Woods -Blackberry Creek
Bliss Woods -Blackberry Creek, Sugar Grove
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147 Datapoints
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20 Observations
- Monitored since: 28 December 2023
- Last observation on: 12 May 2026
- Data collector: Brenda Sibon
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/-88.301711,41.885825,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFox River
Fox River, Geneva
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129 Datapoints
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22 Observations
- Monitored since: 08 January 2024
- Last observation on: 12 May 2026
- Data collector: Anna Browne
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/-88.410695,41.932391,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationMill Creek at Campton FP
Mill Creek, Saint Charles
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97 Datapoints
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18 Observations
- Monitored since: 27 December 2023
- Last observation on: 12 May 2026
- Data collector: Gindi Orloff
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/-88.078616,41.811882,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationArbor Lake at Morton Arb
Arbor Lake , Lisle
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135 Datapoints
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21 Observations
- Monitored since: 01 November 2023
- Last observation on: 12 May 2026
- Data collector: Lisa Warren
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/-88.763596,41.932551,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationInflow to East Lagoon at Montgomery to Faraday pedestrian bridge
Inflow to East Lagoon, Dekalb
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34 Datapoints
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4 Observations
- Monitored since: 23 December 2025
- Last observation on: 12 May 2026
- Data collector: WILLIAM MARTIN
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/-88.760626,41.933904,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationSouth Branch Kishwaukee River at College Ave.
South Branch Kishwaukee River, Dekalb
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211 Datapoints
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25 Observations
- Monitored since: 12 December 2023
- Last observation on: 12 May 2026
- Data collector: WILLIAM MARTIN
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/-0.303337,51.584207,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationWealdstone Brook Woodcock Park Mural Bridge
Wealdstone Brook, London
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167 Datapoints
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8 Observations
- Monitored since: 31 August 2025
- Last observation on: 12 May 2026
- Data collector: Alistair Young
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/-0.292823,51.581297,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationImperial Way Bridge - Lindsay Drive Roundabout
Wealdstone Brook, London
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289 Datapoints
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17 Observations
- Monitored since: 07 April 2025
- Last observation on: 12 May 2026
- Data collector: Alistair Young
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