postcodealert
Updated 10 November 2026, 23:31 UTC
Water supply risks
4 of 4 steps apply somewhere in England. A lit box shows where. Report of 2026-11-05.
Prolonged dry weather
Drier than normal. No restrictions. The Environment Agency and water companies are watching levels.
3 areas: Cumbria and Lancashire, Greater Manchester, Merseyside and Cheshire, North East
Drought declared
Water is short in the area. No restrictions by itself, but hosepipe bans often follow. Use water carefully.
7 areas: East Anglia (parts), East Midlands (parts), Hertfordshire and North London (parts), Lincolnshire and Northamptonshire (parts), Thames (parts), West Midlands (parts), Yorkshire (parts)
Temporary Use Ban (hosepipe ban)
Hosepipes and sprinklers are banned. Applies to households the company supplies. Check your supplier's website.
10 companies: Affinity Water (part), Anglian Water, Bristol Water, Cambridge Water, Essex and Suffolk Water, South East Water, South West Water, Southern Water (part), Thames Water, Wessex Water
Severe drought declared
A serious shortage. Wider restrictions on businesses and on supply are possible.
4 areas: Devon, Cornwall and Isles of Scilly (parts), Kent and South London (parts), Solent and South Downs (parts), Wessex (parts)
Reservoirs and drought status
Layers
Reservoirs that could run low in the next 12 weeks
| Reservoir | Company | Now | In 4 weeks | In 8 weeks | In 12 weeks | Below 30 percent | Record |
|---|---|---|---|---|---|---|---|
| Redmires Middle Ire | Yorkshire Water | 6% | 17% (2 to 63) | 42% (18 to 58) | 59% (36 to 97) | below now; likely back above by 4 Jan | 4 years (indicative) |
| Leigh | Wessex Water | 23% | 49% (18 to 63) | 69% (34 to 88) | 79% (35 to 97) | below now; likely back above by 23 Nov | 5 years (indicative) |
| Redmires Upper Ire | Yorkshire Water | 26% | 52% (25 to 83) | 56% (32 to 98) | 66% (42 to 98) | below now; likely back above by 16 Nov | 4 years (indicative) |
| Barden Lower Ire | Yorkshire Water | 22% | 42% (20 to 51) | 53% (48 to 66) | 65% (48 to 74) | below now; likely back above by 30 Nov | 4 years (indicative) |
| Luxhay | Wessex Water | 26% | 71% (64 to 87) | 86% (82 to 97) | 95% (76 to 97) | below now; likely back above by 16 Nov | 5 years (indicative) |
| Scargill Ire | Yorkshire Water | 19% | 57% (35 to 78) | 72% (47 to 84) | 79% (60 to 88) | below now; likely back above by 23 Nov | 4 years (indicative) |
| Darwell | Southern Water | 30% | 42% (34 to 61) | 60% (51 to 86) | 86% (59 to 90) | below now; likely back above by 16 Nov | 10 years |
| Strines Ire | Yorkshire Water | 29% | 57% (43 to 86) | 71% (54 to 99) | – | below now; likely back above by 16 Nov | 4 years (indicative) |
| Clatworthy | Wessex Water | 28% | 73% (63 to 90) | 88% (80 to 98) | 92% (87 to 99) | below now; likely back above by 16 Nov | 5 years (indicative) |
Rain and temperature: last 30 days and the next two weeks
No freeze-then-thaw and no heatwave in the 16-day forecast. These are the two weather patterns that most often cut supply at short notice.
| Area | Rain last 30 days | Rain forecast next 14 days | Coldest night ahead | Hottest day ahead | Freeze then thaw | Heatwave |
|---|---|---|---|---|---|---|
| Cumbria and Lancashire | 55% of normal | 188% of normal | -4°C | 12°C | – | – |
| Devon Cornwall and the Isles of Scilly | 132% of normal | 245% of normal | -3°C | 14°C | – | – |
| East Anglia | 113% of normal | 80% of normal | -1°C | 14°C | – | – |
| East Midlands | 81% of normal | 76% of normal | 1°C | 14°C | – | – |
| Greater Manchester Merseyside and Cheshire | 84% of normal | 89% of normal | 1°C | 12°C | – | – |
| Hertfordshire and North London | 136% of normal | 100% of normal | -0°C | 15°C | – | – |
| Kent South London and East Sussex | 135% of normal | 132% of normal | -2°C | 14°C | – | – |
| Lincolnshire and Northamptonshire | 102% of normal | 65% of normal | -0°C | 14°C | – | – |
| North East | 86% of normal | 57% of normal | -2°C | 11°C | – | – |
| Scotland | 141% of normal | 129% of normal | -2°C | 9°C | – | – |
| Solent and South Downs | 164% of normal | 178% of normal | -3°C | 14°C | – | – |
| Thames | 140% of normal | 119% of normal | -3°C | 14°C | – | – |
| Wales | 141% of normal | 184% of normal | -3°C | 12°C | – | – |
| Wessex | 151% of normal | 116% of normal | -2°C | 13°C | – | – |
| West Midlands | 106% of normal | 129% of normal | 1°C | 13°C | – | – |
| Yorkshire | 79% of normal | 83% of normal | 0°C | 11°C | – | – |
National detailWater supplyRain and temperature outlook
Water supply
RED · Severeas of 2026-11-10 07:40 UTC (15 h 51 min ago)Drought stage and bans from the Environment Agency report dated 2026-11-05. Rows marked public = no are built on water company web pages and stay internal.
England reservoir storage percent
Environment agency areas
| Area | Stage | Scope |
|---|---|---|
| Devon, Cornwall and Isles of Scilly | severe drought | parts |
| Kent and South London | severe drought | parts |
| Solent and South Downs | severe drought | parts |
| Wessex | severe drought | parts |
| East Anglia | drought | parts |
| East Midlands | drought | parts |
| Hertfordshire and North London | drought | parts |
| Lincolnshire and Northamptonshire | drought | parts |
| Thames | drought | parts |
| West Midlands | drought | parts |
| Yorkshire | drought | parts |
| North East | prolonged dry weather | – |
| Cumbria and Lancashire | recovering drought | – |
| Greater Manchester, Merseyside and Cheshire | recovering drought | – |
Hosepipe bans
| Company | Scope |
|---|---|
| Affinity Water | central and east regions, covering Bedfordshire, Berkshire, Buckinghamshire, Hertfordshire, Surrey, and parts of London and Essex |
| Anglian Water | whole company area, excluding Hartlepool |
| Bristol Water | whole company area |
| Cambridge Water | whole company area |
| Essex and Suffolk Water | whole company area |
| South East Water | whole company area |
| South West Water | whole company area, excluding Bournemouth |
| Southern Water | Hampshire and the Isle of Wight |
| Thames Water | whole company area |
| Wessex Water | whole company area |
Lowest reservoirs
| Reservoir | Operator | Percent full | Change 4 weeks | Observed | Public |
|---|---|---|---|---|---|
| Wimbleball | South West Water | 18.0 | – | 2026-11-08 | no |
| Tottiford | South West Water | 18.0 | – | 2026-11-08 | no |
| Cropston | Severn Trent Water | 18.4 | -0.9 | 2026-11-09 | no |
| Ardingly | South East Water | 19.0 | – | 2026-11-08 | no |
| Wimbleball | Environment Agency map | 21.0 | -13.0 | 2026-09-30 | yes |
| Barden Lower Ire | Yorkshire Water | 21.5 | -8.3 | 2026-11-02 | yes |
| Charnwood | Severn Trent Water | 21.5 | 0.8 | 2026-11-09 | no |
| Stithians | South West Water | 22.0 | – | 2026-11-08 | no |
| Ardingly | Environment Agency map | 25.0 | -13.0 | 2026-09-30 | yes |
| Swithland | Severn Trent Water | 25.0 | 2.7 | 2026-11-09 | no |
Groundwater low
| Borehole | Band | Last month | Aquifer |
|---|---|---|---|
| Chipstead Gwl | exceptionally low | below normal | Epsom North Downs Chalk |
| Tilshead | exceptionally low | exceptionally low | Upper Hampshire Avon Chalk |
| Chilgrove | notably low | notably low | Chichester-Worthing- Portsdown Chalk |
| Jackaments Bottom | notably low | exceptionally low | Burford Oolitic Limestone (Inferior) |
| Wetwang | notably low | below normal | Hull and East Riding Chalk |
| Woodyates | notably low | below normal | Dorset Stour Chalk |
Source: Environment Agency water situation and drought reports · OGL v3; Stream water industry open data · CC BY 4.0; London Datastore · OGL; Water company web pages
Rain and temperature outlook
GREEN · Normalas of 2026-11-10 23:00 UTC (31 min ago)One point per area, so a broad indication. Normal is the 1991 to 2020 average for the same days of the year. Freeze then thaw: 2 days with nights at -4°C or below and days no warmer than 2°C, then 7°C or above within 3 days. Heatwave: 3 days in a row at 27°C or above. Both triggers are judgements, not backtested.
By area
| Area | Rain last 30 days mm | Percent of normal | Rain next 14 days mm | Forecast percent of normal | Freeze then thaw | Heatwave |
|---|---|---|---|---|---|---|
| Cumbria and Lancashire | 70.4 | 55 | 113.2 | 188 | – | – |
| Devon Cornwall and the Isles of Scilly | 134.2 | 132 | 116.8 | 245 | – | – |
| East Anglia | 64.3 | 113 | 20.9 | 80 | – | – |
| East Midlands | 48.0 | 81 | 21.1 | 76 | – | – |
| Greater Manchester Merseyside and Cheshire | 74.9 | 84 | 37.6 | 89 | – | – |
| Hertfordshire and North London | 82.0 | 136 | 29.8 | 100 | – | – |
| Kent South London and East Sussex | 85.9 | 135 | 40.6 | 132 | – | – |
| Lincolnshire and Northamptonshire | 59.1 | 102 | 17.2 | 65 | – | – |
| North East | 51.8 | 86 | 17.2 | 57 | – | – |
| Scotland | 145.9 | 141 | 58.9 | 129 | – | – |
| Solent and South Downs | 124.0 | 164 | 65.3 | 178 | – | – |
| Thames | 88.8 | 140 | 36.9 | 119 | – | – |
| Wales | 160.7 | 141 | 96.8 | 184 | – | – |
| Wessex | 116.6 | 151 | 43.5 | 116 | – | – |
| West Midlands | 69.5 | 106 | 39.1 | 129 | – | – |
| Yorkshire | 46.1 | 79 | 22.9 | 83 | – | – |
Source: Weather data by Open-Meteo.com · CC BY 4.0