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River Mole River Watch: January 2025 pollution test results update
In late January, citizen scientists from the River Mole River Watch conducted their monthly water quality assessments to evaluate...
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Feb 12, 20257 min read


Out of Order! Thames Water blame "heavy rain" for repeated Sewage Flooding from Horley Treatment Works
Sewage once again flooded into streets and properties from Thames Water's Horley Sewage Treatment Works (STW) on 5 January 2025. Sewage...
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Jan 24, 202516 min read


News from the River Mole: early January 2025
December and early January have been very busy months for River Mole River Watch.
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Jan 10, 20257 min read


New this month! November Update: Citizen Science Pollution Findings for the River Mole – Now in Video!
Hi everyone, This month, we're trying something new—sharing our news through a video! So, grab a coffee and take 15 minutes to catch up...
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Dec 4, 20241 min read


Chris Packham speaks for the 'voiceless' at the March for Clean Water!
For those of you unable to come on the March on Sunday, here is a recording of the speeches in Parliament Square, they are all good but...
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Nov 7, 20241 min read


March for Clean Water - thousands descend on Parliament Square to demand politicians listen & act!
River Mole River Watch supporters made quite a splash, we stood out in our blue hi-vis vests, carrying the textile banner small shoal of...
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Nov 4, 20241 min read


October pollution results: What are the emerging pollution patterns in the River Mole after 18 months of citizen science?
Eighteen months of citizen science data in the River Mole catchment reveal consistent and concerning patterns in water pollution.
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Nov 2, 20247 min read


Sunday 3rd November - COME AND JOIN US on the NATIONAL MARCH FOR CLEAN WATER!
River Mole River Watch trustees Caroline & Nigel will be going up to join the march by train. The nearest train/underground station to...
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Oct 28, 20241 min read


Foam Alone? Citizen Science Data Reveals Weak Link Between Foam and Water Quality on the River Mole
Foam on the Mole Foam is a common sight on the River Mole and is typically associated with pollution. It is frequently mentioned on...
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Oct 18, 202415 min read


River Mole & Wey Annual Catchment Partnership Meeting
On 10th October 2024, three RMRW trustees, Caroline, Nigel and Sue, attended the annual River Mole & Wey Catchment Partnship event, this...
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Oct 11, 20242 min read


Trustee day out to SES Water's Bough Beech Reservoir & Flow Zone.
In September four trustees - Caroline, Nigel, Simon and Sue - had a day out to Edenbridge in Kent to visit SES Water's reservoir Bough Beech
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Oct 11, 20242 min read


Surrey Nature Recovery Strategy (SNRS) workshop focusing on rivers
In July 2024, Nigel and I attended the 8th workshop for the Surrey Nature Recovery Plan. It was hosted at Zero in Guildford. It is a...
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Oct 11, 20242 min read


September River Mole test results: the solution to (hiding) pollution is dilution
We examine the early start to seasonal improvements in pollution across the catchment due to dilution from record breaking rainfall.
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Oct 8, 202410 min read


Leigh Brook: The Most Polluted Stream in the River Mole Catchment?
Extremely high phosphate and ammoniacal nitrogen levels mean that Leigh Brook is probably the most polluted stream in the Mole catchment.
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Sep 17, 202416 min read


August Pollution Test Results: River Mole shows some improvement over July spike but Water Quality is still Poor
Welcome to our August round-up of test results for the River Mole. Here are a few pictures from our citizen scientists taken on test day...
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Aug 31, 20249 min read


River Mole E. Coli Levels: Our first look at Bacterial Risks Across the Catchment
Summary: In an ambitious effort to assess water quality across the River Mole catchment, teams from River Mole River Watch, the Wey...
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Aug 24, 20248 min read


Ofwat data reveals many failing Thames Water assets in the River Mole catchment
The recent Ofwat report proposes a £104 million fine on Thames Water for failing Urban Waste Water Treatment standards. The notice...
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Aug 16, 20245 min read


Something bad is happening to the River Mole: shocking increase in pollution levels across the catchment!
Shocking and unprecedented jump in River Mole pollution levels this month is of great concern for river wildlife health and people.
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Aug 1, 202410 min read


Rising pollution in the River Mole through early Summer, our tests reveal
Our water quality test results on the River Mole for June across the catchment show a disturbingly marked increase in levels of...
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Jul 23, 20249 min read


May test results show River Mole entering period of damaging poor water quality
Our citizen science volunteers, with the help of several newly trained recruits, were out testing in the last weekend of May across the...
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Jun 4, 20245 min read
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