Yorkshire Reservoir Levels Drop & What Drought Means For Your Drains

Yorkshire has experienced another exceptionally dry summer. Reservoir levels have fallen significantly as prolonged periods of low rainfall continue to affect water supplies across the region.

Yorkshire Water's published figures show how quickly reservoir stocks declined during the first half of 2026. Regional reservoirs were approximately 97% full in January, rising to 99% in February before falling to 93% in April, 87% in May and 78.3% in June. More recent Environment Agency data has shown Yorkshire reservoir stocks falling further during August as  drought conditions continue.

For homeowners and businesses across Leeds and West Yorkshire, the obvious concern is water supply. However, prolonged dry weather can also create problems for drains and underground pipework.

At CDC Draincare, we provide professional drain cleaning, drain unblocking, CCTV drain surveys and drain repairs throughout Leeds and West Yorkshire. Here are some drainage problems to look out for during these prolonged drought conditions.

Can Drought Cause Drainage Problems?

Although blocked drains are often associated with heavy rainfall, prolonged dry weather can create different problems. Waste, grease, scale and other material can accumulate inside drainage pipes, particularly where a drain is already partially restricted. Hot weather can also make unpleasant drain smells more noticeable and cause water to evaporate from traps that aren't regularly used.

If your sinks, toilets or outside drains are becoming slower, professional drain cleaning or high-pressure water jetting can help remove accumulated material before it develops into a complete blockage.

Can Dry Ground Damage Drainage Pipes?

One of the less obvious consequences of drought is movement in the ground surrounding underground drainage systems.

As soil loses moisture, certain ground conditions can shrink and move. Older clay drains or pipework containing existing cracks and weakened joints can be particularly vulnerable.

This can result in cracked drains, displaced joints or damaged sections of pipework. Debris can then catch on these defects, creating recurring blockages.

CDC Draincare can carry out a CCTV drain survey to inspect inside the pipework and identify structural problems without immediately excavating the ground.

Can Tree Roots Cause More Problems During a Drought?

Trees and plants naturally search for available moisture during prolonged dry conditions. If an underground drain already contains a crack or defective joint, roots can enter the pipe and continue growing inside it. Toilet paper, wipes, grease and other debris can then become trapped around the roots and eventually cause a blockage.

Simply clearing the blockage may not solve the underlying problem.

Our CCTV drain cameras can identify root ingress and damaged pipework, allowing our engineers to recommend the most appropriate solution, including drain repairs, pipe relining or excavation where required.

What Happens to Drains When the Rain Returns?

One of the biggest drainage risks can actually arrive when a prolonged drought finally ends. Very dry ground can initially struggle to absorb intense rainfall. Large volumes of surface water can consequently reach roads, gullies and drainage systems over a relatively short period.

If a drain is already partially blocked by grease, silt, roots or debris, it has less capacity to cope with the additional water.

A drainage system that appeared to be working throughout the drought can suddenly become overwhelmed, potentially resulting in overflowing manholes, blocked drains, backed-up toilets or localised flooding.

If you've noticed signs that your drains aren't flowing correctly, dealing with the problem before significant rainfall returns could prevent a more disruptive drainage emergency.

Warning Signs Your Drains May Need Attention

You don't necessarily have to wait for a complete blockage before calling a drainage engineer.

Slow-draining sinks, baths and showers, gurgling noises, unpleasant drain smells, toilets rising unusually high when flushed and standing water. All of which can indicate restricted drainage.

Recurring problems are particularly important to investigate. If the same drain keeps blocking, there may be an underlying structural problem that needs identifying rather than repeatedly clearing the immediate obstruction.

How Can CDC Draincare Help During Drought Conditions?

At CDC Draincare, we've been providing professional drainage services for more than 30 years. Our experienced drainage engineers work throughout Leeds and West Yorkshire, helping homeowners, landlords and businesses diagnose and resolve drainage problems before they become more serious.

Depending on the problem, we can provide:

• Blocked drain clearance to restore normal flow
• High-pressure water jetting to remove grease, silt, scale and debris
• CCTV drain surveys to identify cracks, displaced joints and root ingress
• Drain repairs where underground pipework has become damaged
• Pipe relining to repair suitable damaged drains without full excavation
• Excavation works where more extensive structural repairs are required
• 24-hour emergency drainage services for urgent blockages and overflows

Whether the problem has developed during prolonged dry weather or becomes apparent when heavy rainfall eventually returns, our team can identify the cause and recommend the appropriate solution.

FAQs About Drought and Drainage Problems

Can drought cause blocked drains?

Drought doesn't directly cause every blockage, but prolonged dry conditions can contribute to drainage problems. Grease, debris and waste can accumulate within restricted pipes, while ground movement and root ingress can also damage underground drainage systems.

Can hot weather make my drains smell?

Yes. Hot weather can make existing drainage smells more noticeable, while water can evaporate from traps that aren't regularly used. Persistent sewage smells should be investigated as they can also indicate a blockage or drainage defect.

Can drought cause underground pipes to crack?

Prolonged dry conditions can cause some soils to shrink and move. This ground movement can potentially worsen existing cracks, damage weakened joints or affect older underground drainage pipes.

Why do drains sometimes block after heavy rain?

Heavy rainfall suddenly introduces much greater volumes of water into drainage systems. A partially blocked drain may cope during dry weather but overflow when additional rainwater reaches the system.

How do I know if tree roots are blocking my drains?

Recurring blockages, slow drainage and unusual smells can indicate root ingress, but the most reliable way to identify the problem is usually a CCTV drain survey. A camera inspection allows engineers to see roots and structural defects inside the pipe.

Can CDC Draincare inspect my drains before heavy rain returns?

Yes. CDC Draincare provides CCTV drain surveys, drain cleaning and high-pressure water jetting throughout Leeds and West Yorkshire. Identifying and clearing restrictions during dry weather can reduce the risk of an existing problem becoming more serious when heavier rainfall returns.

Drainage Services Across Leeds & West Yorkshire

Yorkshire's falling reservoir levels demonstrate just how prolonged the current dry conditions have become. While conserving water remains important, it's also worth paying attention to what's happening beneath your property.

If you're experiencing slow drains, recurring blockages, unpleasant smells or suspect drought conditions may have affected your underground pipework, CDC Draincare can help.

Our experienced team provides professional drain cleaning, drain unblocking, CCTV drain surveys and drain repairs throughout Leeds and West Yorkshire, with emergency drainage services available 24 hours a day.