/-83.952053,46.395726,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
Desbarats Lake off boat ramp
Desbarats Lake, Desbarats
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265 Datapoints
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24 Observations
- Monitored since: 19 June 2022
- Last observation on: 03 October 2026
- Data collector: Janice Fairfax
Latest water quality data added
714,779 datapoints at 9,531 locations
+713 new locations added in the last 30 days
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View trends at this location
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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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1,015 Datapoints
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101 Observations
- Monitored since: 19 July 2024
- Last observation on: 03 October 2026
- Data collector: Martin Curry
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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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1,044 Datapoints
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103 Observations
- Monitored since: 19 July 2024
- Last observation on: 03 October 2026
- Data collector: Martin Curry
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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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1,050 Datapoints
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102 Observations
- Monitored since: 19 July 2024
- Last observation on: 03 October 2026
- Data collector: Martin Curry
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/-2.99951,50.78917,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationDownstream White Bridge, Cloakham
River Axe, Axminster
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90 Datapoints
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3 Observations
- Monitored since: 09 August 2026
- Last observation on: 03 October 2026
- Data collector: Simon Browning
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/-3.11196,50.747092,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBonehayne
Southleigh Stream, Colyton
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133 Datapoints
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4 Observations
- Monitored since: 28 July 2026
- Last observation on: 03 October 2026
- Data collector: Harry Shaw
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/-3.096545,50.743697,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationFreakhayne
Nannies Water , Colyton
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97 Datapoints
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3 Observations
- Monitored since: 08 August 2026
- Last observation on: 03 October 2026
- Data collector: Harry Shaw
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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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397 Datapoints
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23 Observations
- Monitored since: 01 October 2024
- Last observation on: 03 October 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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355 Datapoints
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20 Observations
- Monitored since: 01 February 2025
- Last observation on: 03 October 2026
- Data collector: Mitch Goldman
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/-0.260732,51.357527,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationDownstream Stepping Stones
Hogsmill, Epsom
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504 Datapoints
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27 Observations
- Monitored since: 22 June 2024
- Last observation on: 03 October 2026
- Data collector: Georgina Fauconier
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/-0.257835,51.356304,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationGreen Lanes A (downstream of old green lanes stream)
Hogsmill, Epsom
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475 Datapoints
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25 Observations
- Monitored since: 22 November 2024
- Last observation on: 03 October 2026
- Data collector: Georgina Fauconier
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/-75.375137,44.789633,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationCardinal legion
St Lawrence river, Cardinal
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23 Datapoints
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2 Observations
- Monitored since: 30 August 2026
- Last observation on: 02 October 2026
- Data collector: Allan Dunnington
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/-75.804211,44.526187,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationLyn Creek
Lyn Creek ( at times indicated on maps as Macllhenneys CreeK)k, Mallorytown
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101 Datapoints
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6 Observations
- Monitored since: 26 July 2026
- Last observation on: 02 October 2026
- Data collector: Steve McGovern
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/-77.783461,48.098619,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationRuisseau des marais
Parc des marais, Val D'Or
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238 Datapoints
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22 Observations
- Monitored since: 19 May 2022
- Last observation on: 02 October 2026
- Data collector: Jacob Rousson
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/-76.177918,45.033856,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBlack Bass Bay
Mississippi Lake, Perth
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237 Datapoints
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15 Observations
- Monitored since: 27 June 2026
- Last observation on: 02 October 2026
- Data collector: Jane Smith
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/-91.516018,41.739497,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationTurkey Creek Nature Preserve
Turkey Creek #1 (S), Solon
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278 Datapoints
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18 Observations
- Monitored since: 19 November 2025
- Last observation on: 02 October 2026
- Data collector: Olivia G
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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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911 Datapoints
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77 Observations
- Monitored since: 14 July 2024
- Last observation on: 02 October 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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882 Datapoints
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78 Observations
- Monitored since: 14 July 2024
- Last observation on: 02 October 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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989 Datapoints
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78 Observations
- Monitored since: 23 November 2023
- Last observation on: 02 October 2026
- Data collector: Alistair Young
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/-75.655761,45.828082,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImNtMG5zdzhhMjAxMnkya3IzZHVybzlxMDEifQ.3GdXd13tReOaKwengLTZTg)
View trends at this locationBR1
Lac du Brochet, Val Des Monts
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87 Datapoints
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13 Observations
- Monitored since: 04 June 2024
- Last observation on: 02 October 2026
- Data collector: Marie-Laure Guindon
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