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Hanningfield Reservoir
Reservoir
Rainy today
Hanningfield Reservoir is a large 25,500-million-litre (900,000,000 ft3) pumped storage reservoir located between Billericay and Chelmsford in Essex. It has a surface area of 352 hectares (870 acres) and is owned and operated by Essex and Suffolk Water. The reservoir is part of a 402.9 ha (996 acres) biological Site of Special Scientific Interest.
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Weather at Hanningfield Reservoir
52°F, Patchy rain nearby · H 57° / L 52° · 79% chance of rain3-day forecast
H: 57° L: 52°
Patchy rain nearby

52°
|
Feels like 46°
Precipitation
79%
Humidity
88%
Wind
13 mph
UV Index
1
Weather notes:
🌧️Rain expected
12 AM

56°
3 AM

56°
6 AM

54°
9 AM

55°
12 PM

56°
3 PM

53°
6 PM

53°
9 PM

54°
Frequently asked questions
- Where is Hanningfield Reservoir?
- Hanningfield Reservoir is a reservoir in South East England.
- Can you swim at Hanningfield Reservoir?
- There is no fixed answer for Hanningfield Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Hanningfield Reservoir in South East England. Check current water conditions before you go, and follow posted signs and local guidance.
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Location & Contact
South East England
🏞️ Best times & visiting tips
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
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