England's reservoirs keep falling despite the wettest week since February

Rain improves rivers but not reserves

England remains in a serious drought despite recording its wettest week since early February. The Environment Agency said rainfall improved river flows, soil moisture and some environmental conditions between August 28 and September 3, but national reservoir storage still declined to 58% of capacity. Ten agency areas remained in drought and every other area was classified as experiencing prolonged dry weather.

The figures show why short bursts of rain have not ended the emergency. Reservoir storage fell by 1.8 percentage points during the reporting week and stood 19.2 points below the seasonal average. Eleven reservoirs were less than half full, while groundwater continued its normal seasonal decline. Temporary water-use bans remained in force across large parts of England, and suppliers continued seeking additional drought powers.

Farms absorb the economic shock

The water deficit follows an exceptionally dry spring and repeated summer heatwaves. Al Jazeera documented severe losses at a Buckinghamshire arable farm where extreme heat arrived during the grain-filling stage of the wheat crop. The farm reported production roughly 1,000 tonnes below its typical harvest, illustrating how weather stress can translate into lost revenue, tighter credit conditions and lower planting ambitions for the next season.

Farm groups are pressing for financial support, faster approval of on-farm reservoirs and clearer access to water when river conditions permit. Those demands reflect a broader food-security concern: repeated harvest failures can reduce domestic output while raising producers' exposure to fertiliser costs, animal disease and international supply disruption. Individual loss estimates remain specific to the farms and organisations reporting them and should not be treated as a nationwide audited total.

The winter recharge test

Recent rain has nevertheless provided limited relief. River flows rose at nearly all monitored sites, and agricultural abstraction restrictions were reduced in some places. The national rainfall total for August reached 78% of the long-term average, although southeast England received only 54%. Demand has eased with cooler temperatures, but it still exceeds recharge at many reservoirs and remains high in the southeast.

The decisive question is whether sustained autumn and winter rainfall replenishes rivers, aquifers and reservoirs rather than merely wetting the upper soil. Regulators will be watching groundwater measurements, reservoir trajectories and applications for drought permits or orders. With storage still declining after a notably wet week, restrictions could persist well beyond the end of the agricultural growing season.