Here’s the latest situation (as of January 2026) on UK water reservoir levels
primarily based on the most recent data available from water companies and Government reports:
🇬🇧 General UK Wide Situation
Many reservoirs across England remain below typical winter levels even after recent rainfall and wetter conditions than earlier in the drought year.
Across England as a whole, reservoir stocks were considerably below average throughout much of 2025, though with some recovery in places after rainfall.
📍 Regional / Company-Level Data
South East Water (Kent & Sussex)
As of 11 January 2026, two of their major reservoirs were not yet full but fairly high:
• Ardingly Reservoir ~ 86.3% full
• Arlington Reservoir ~ 80.1% full
— These are typical winter refill levels but still below 100 % capacity.
Severn Trent Water Region (Midlands/Lots of Central England samples available)
Winter figures from December 2025 show overall storage at about 84.7% of capacity — that’s a big improvement over late-summer lows but still not completely full.
📊 Context: Recent Trends
Throughout 2025, reservoirs in many parts of England were well below what’s normal for the time of year — sometimes as low as around 50-60 % capacity by autumn.
Even with rainfall later in the year helping, many reservoir stocks have simply not fully recovered to their long-term winter averages.
🌦️ Current Picture in Summary
✅ Many reservoirs have filled up significantly over autumn/winter rains.
❌ Most are still not completely full (i.e., below 100 % capacity).
⚠️ Levels remain below long-term averages, especially in parts of southern and eastern England, and ongoing winter rain will determine how full they get heading into spring.
🔎 Why They’re Not Fully Full Yet
Reservoir refill doesn’t just depend on rainfall — it also depends on river flows and how dry the ground was from drought earlier in 2025. So even with rain, the recovery can be slow.
Posted By: Tombs on January 15th 2026 at 11:08:43
Message Thread
- River watch. (General Chat) - Chris Peacock, Jan 15, 10:47:40
- I used to live near the tiffey (General Chat) - Nelsons final flanel, Jan 15, 11:12:30
- Does this mean our reservoirs are healthily full now? (General Chat) - Tricky Hawes, Jan 15, 10:52:20
- Yes — there are several online resources you can use to monitor (General Chat) - Old Git, Jan 15, 11:27:37
- you've bloody cheated and used irtificial antelligence haven't you? (General Chat) - Tombs, Jan 15, 11:49:17
- How very dare you (General Chat) - Old Git, Jan 15, 12:02:19
- I’m hydrophobic (n/m) (General Chat) - APB, Jan 15, 13:37:33
- Why it's greased lightnin' (n/m) (General Chat) - Ken Dodds Dads Dog, Jan 15, 15:58:16
- Lol (n/m) (General Chat) - Chris Peacock, Jan 15, 22:44:23
- Why it's greased lightnin' (n/m) (General Chat) - Ken Dodds Dads Dog, Jan 15, 15:58:16
- nice (n/m) (General Chat) - Tombs, Jan 15, 12:06:01
- I’m hydrophobic (n/m) (General Chat) - APB, Jan 15, 13:37:33
- How very dare you (General Chat) - Old Git, Jan 15, 12:02:19
- you've bloody cheated and used irtificial antelligence haven't you? (General Chat) - Tombs, Jan 15, 11:49:17
- Here’s the latest situation (as of January 2026) on UK water reservoir levels (General Chat) - Tombs, Jan 15, 11:08:43
- Looking forward to seeing you at the next Reservoir Dogs Club meeting (General Chat) - Old Git, Jan 15, 12:04:17
- let me know the date/time and i'll ship in some mister k's manor cake (n/m) (General Chat) - Tombs, Jan 15, 12:07:04
- and anglian water have an overview of their water resources on their website (General Chat) - Tombs, Jan 15, 11:19:59
- Looking forward to seeing you at the next Reservoir Dogs Club meeting (General Chat) - Old Git, Jan 15, 12:04:17
- Yes — there are several online resources you can use to monitor (General Chat) - Old Git, Jan 15, 11:27:37
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