28/01/14
– River Stort news
A leak of foaming agent turned the Stort into a 'giant bubble bath' over the weekend
Local people were shocked to see a four metre high wall of foam covering the river. Read more ...
28/01/14
– River Beane news
Sewage leak on River Beane
There appears to be a regular and consistent overflow of effluent into the Beane from the sewage pumping station opposite Walkern Mill. Read more ...
10/01/14
– River Stort news
Did you know that the Environment Agency locally produces monthly water situation reports?
These cover: rainfall, soil moisture, river flows, groundwater levels, and reservoir levels. Read more ...
07/01/14
– River Beane news
New project added to Beane catchment management plan
A new project which aims to improve a short section of the upper River Beane has been added to the plan. Read more ...
07/01/14
– River Mimram media coverage
New film charts Mimram restoration project
Herts & Middlesex Wildlife Trust have made a short film documenting the recent river restoration project at Singlers Marsh. Read more ...
10/12/13
– River Mimram news
Singler's re-gravelling project completed
Project number 4 on the Mimram catchment plan, 'Stream bed improvement at Singler's Marsh', has been completed!
Sixty tonnes of silt has been removed from the river bed and replaced with sixty tonnes of gravel. Read more ...
29/11/13
– River Mimram news
The project to remove silt from the river Mimram at Welwyn and replace it with gravel has started.
This will improve the river bed habitat for spawning fish and invertebrates. Read more ...
22/11/13
– River Beane news
Network Rail contributes £49,000 to the Waterford Marsh project
The project at Waterford Marsh has got off to a flying start with a significant contribution from Network Rail. Read more ...
14/10/13
– River Stort news
Thorley Wash, Herts & Middlesex Wildlife Trust's flagship Stort Valley reserve, is proving extremely popular with visitors!
An average of 30 people per day are using the site. Read more ...
14/10/13
– River Mimram news
Riverfly training gets underway on Mimram
Last week saw a very successful Riverfly training course held on the Mimram at Singler's Marsh. Fifteen new volunteers were trained to carry out invertebrate monitoring on their local river. Read more ...
This stretch of river suffers from heavy silt deposition caused by reduced flows, dredging in the 70s, and the ponding effect of a weir. The aim is to restore the river to a silt-free, gravel bedded, shallow, fast flowing stream, with riffles and pools capable of supporting water crowfoot and breeding trout.