River Ver at Redbourn
The Environment Agency routinely measure and monitor the environment to assess the water situation across the Hertfordshire and North London Area.
We do this for:
- the amount of rain that falls;
- how dry the soils are (and how much rain they can soak up);
- the amount of water flowing in rivers;
- the amount of water stored below ground in aquifers.
Every month a Water Situation Report is produced by Hydrologists in the Environment Agency.
Summary – December 2020
The Hertfordshire and North London Area received 91 mm of rainfall in December, 146% of the long-term average. Saturated soils across all of the chalk catchments allowed a high proportion of rainfall to infiltrate to groundwater. Due to above average precipitation over previous months, monthly mean river flows at three-quarters of our indicator sites were notably or exceptionally high . Likewise a third of our groundwater indicator sites were notably high to end December.
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Herts and North London
Help us protect the environment. You can report environmental incidents (e.g. dead fish or fish gasping for air, unusual changes in river flow) through to our Incident Hotline (Telephone: 0800 80 70 60).
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Simply provide your email address and complete the checkbox form at https://consult.environment-agency.gov.uk/hnl/hnl-incidents-notifications/ .
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