A small canal arm in the heart of the Black Country plays a big role in keeping Birmingham’s canals moving. But every summer, you help us remove and recycle the weeds that threaten this vital water supply.
Strolling along the Bradley Arm Canal, near Bilston in the West Midlands, on a summer’s day you’d be forgiven for thinking this small, peaceful stretch of water, while charming, was largely unremarkable. Yet, like the ducks gliding serenely across its still waters, there’s a lot more going on beneath the surface than meets the eye.
The canal, spanning just over half a mile was originally built to serve the Bradley lock workshops. But today, this tranquil waterway, meandering lazily through the Black Country, plays a crucial role in keeping Birmingham’s canals supplied with water.
During the hot, dry summer months, when Birmingham reservoirs come under pressure and are overstretched, Bradley Arm provides a lifeline for Birmingham’s canals with its hidden secret- a remarkable mineral-rich water source deep within the rocks underground. These natural reservoirs feed the wider Birmingham Canal Navigations (BCN), one of the largest and busiest parts of our network and keeps them flowing in the driest parts of the year.
It’s one of the region’s most dependable water supplies, but, ironically, the same nutrient-rich water that feeds Birmingham’s canals also creates a huge logistical challenge.
Throughout the summer, as temperatures soar, native weeds burst into life, spreading across the canal bed like a thick, green carpet. Left unchecked, they would quickly stem the flow into the BCN, affecting water levels across almost 100 miles of waterways.
"It's a bit of a balancing act," says contracts manager Richard Booth. "We need the water; otherwise, Birmingham would dry up. But because it's so rich in nutrients, the weed just grows like crazy. We’ve got to clear the weeds, or else it would slow down the flow into Birmingham."
To stop the weeds accelerating out of control, we employ specialist contractors during the warmer months, between May and September. Using a conver weed boat, they spend several days cutting, collecting and removing the vegetation, loading it into 70-foot hoppers.
"In a normal month we'll remove around 70 tonnes," Richard explains. "But because of the hot weather, the last cut saw us remove almost 100 tonnes.”
Once collected, the material is taken to Bradley Yard, where it’s left to dry for up to 24 hours, before being taken away and processed for composting or food for farm animals, turning a challenge into a positive and ensuring nothing goes to waste.
At first glance, the Bradley Arm Canal may appear relatively unremarkable, but in reality, it is one of the most important stretches of water on Birmingham’s canal system. Using natural resources and being environmentally friendly, Bradley Arm is quietly working hard to keep Birmingham’s canals alive and thriving.
It’s a welcome reminder that it isn’t always large-scale engineering projects or major heritage restorations that help to keep canals open, wildlife habitats thriving and boats moving. Often, it’s the small, essential jobs that go unnoticed.
Many boaters cruising Birmingham's historic canals may never realise the role Bradley Arm plays in keeping the network supplied with water. But behind every peaceful journey is a huge amount of care, expertise and dedication, all made possible by the support of people like you.
Sometimes the smallest acts of support, on the quietest corners of our network, make the biggest difference.