Extremely high phosphate and ammoniacal nitrogen levels mean that Leigh Brook is probably the most polluted stream in the Mole catchment.

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...

Summary: In an ambitious effort to assess water quality across the River Mole catchment, teams from River Mole River Watch, the Wey...

The recent Ofwat report proposes a £104 million fine on Thames Water for failing Urban Waste Water Treatment standards. The notice...

Shocking and unprecedented jump in River Mole pollution levels this month is of great concern for river wildlife health and people.

Our water quality test results on the River Mole for June across the catchment show a disturbingly marked increase in levels of...

Our citizen science volunteers, with the help of several newly trained recruits, were out testing in the last weekend of May across the...

Our wonderful citizen scientists were out monitoring water quality at all of our test sites across the River Mole catchment over the last...

Our first Annual General Meeting last weekend reviewed the remarkable progress we have made in River Mole River Watch over the last 12...

March was another wet month with 110mm of rain falling in the River Mole catchment. This is over 200% of the long term average rainfall...

Our fantastic River Mole River Watch citizen scientists were out collecting data on the River Mole over the final weekend in February....

River Mole River Watch Annual General Meeting Saturday 20th April, 9.45-1pm The Friends Meeting House, Butter Hill, Dorking, RH4 2LE...

Here are the January pollution test results carried out by our fantastic River Mole River Watch citizen scientists. First off, above are...

Here are the pollution results for December 2023. Our fabulous River Mole River Watch citizen scientists collected data across the entire...

River Mole November pollution data is out! Things are getting complicated as more rainfall reduces Phosphate levels despite storm...

We had a brilliant evening with our citizen scientists, they are the backbone of our organisation and we couldn't do what we do without...

River Mole River Watch October pollution test results are in! Overall catchment phosphate levels were down due to dilution in higher...

September pollution test results from River Mole citizen scientists are in (sorry for delay posting here)! Phosphate levels are somewhat...

Today, Nigel and I had the great pleasure of meeting Hugh Broom a farmer near Dorking and Ed Baker, the Catchment Sensitive Farming...