Join us for an evening dedicated to the future of the River Colne. Meet local residents and hear from current volunteers about the work already underway. Enjoy a complimentary coffee voucher on arrival, with drinks available to purchase at the bar. Groundwork East will introduce the event before opening the floor for your ideas. Share what the River Colne means to you, how its legacy should continue, and discover ways to get more involved.

Want to get involved with riverfly monitoring in your local area?

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Learn all about the ARMI riverfly monitoring method, how to identify species and what this means for water quality. This is a training event for volunteers who are eager to get more involved with their local river Colne, and do monthly surveys with other volunteers.

Groundwork’s Green Doctors provide free, one-to-one energy efficiency and money-saving advice for Hertfordshire households. Get practical guidance on reducing energy use, draught-proofing, and  understanding bills. They also offer referrals to local services like debt advice and food banks. 

Eligibility: over 65s, households with children under 5, benefit recipient, people with physical or mental health conditions

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We are gearing up for the next exciting phase in our works and we are on the lookout for volunteers to dive right in! Whether you're in the river in waders, moving materials or handing out tea and cakes, there's a role for everyone to make a real difference. 

Do you love Watford and enjoy sharing stories? We’re looking for passionate people to become paid walk leaders for new community walks along the River Colne. These walks will celebrate Watford’s natural, cultural, and industrial heritage, helping others discover the stories that make our town unique.

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You don’t need to be a historian, just someone who enjoys connecting with people, telling stories, and inspiring pride in our community. Whether it’s nature, history, or local life, your enthusiasm can bring the river’s story to life. Join us and help others see Watford in a new way.

Multiple sites across Watford, 2025/26. 

As part of the Rediscovering the River Colne, there are opportunities for businesses to get involved with practical conservation, invasive species clearances and litter picks. Enquire today to discuss pricing and availability of these opportunities.

Held at Watford Rugby Club on Tuesday and Thursday from 10am-1pm. Green gym is a volunteer-led group who run a range of conservation activities along the River Colne. Green Gym is free for anyone to join in, and make a difference in their local community. The activities suit all ranges of fitness.

Oxhey Park, Second Saturday of each month, 10.30am, March-November (except August). Friends of Oxhey park are a volunteer group who aim to make the park a safer and more welcoming space for families and anyone who wishes to enjoy their local area. Friends of Oxhey Park are a social group who welcome anyone that would like to take part.

Oxhey Village Green, Every Monday at 6:30pm, Get outside and meet with a group of like-minded people to explore the local area!​ This enthusiastic and social group, open to people of all abilities, meet each Monday to walk to 5k (or however far you can go)!

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