Chester County Residents Asked To Voluntarily Reduce Water Usage

WEST CHESTER, PA — Ongoing drought conditions in Chester County have led officials to issue a call for the public to reduce their water usage.

Abnormally dry conditions have been building since 2025 due to a lack of consistent rainfall, and recent precipitation has only provided thin relief.

The request from the county is voluntary. Residents, farmers, and businesses are asked to reduce their daily usage by 10 to 15 percent, or roughly six to nine gallons per person.

The average showerhead uses two gallons per minute, and washing dishes can use up to 27 gallons.

“The reservoirs, which provide water to public water systems in Chester County, are currently in good condition," Seung Ah Byun, the executive Director of the Chester County Water Resources Authority, said in a statement. "However, declining groundwater levels could affect residents and farmers who use private wells, making water conservation more crucial if drought conditions continue in the upcoming months."

Groundwater levels did not recharge sufficiently during the rainfall this spring and the snowfall last winter, officials said.

This has left stream levels significantly below normal levels throughout the county.

Residents who rely on groundwater wells and who use on-site septic systems should be especially careful. While much of this water eventually returns to the ground through septic drainfields, officials warn the recharge of groundwater can be slow and uneven.

Chester County is one of four counties in the state under a drought warning, the Pennsylvania Department of Environmental Protection said, along with Cumberland, Fulton, and Franklin counties in the south-central part of the state. Neighboring counties in the Philly region are in a drought watch, indicating conditions are not as severe as Chester County.

Climate change creates conditions that exacerbate both severe weather and drought: when things are dry as they are now, lingering heat and increased evaporation rates are likely to make them even drier. And when storms hit, they draw even more moisture from a warmer ocean, making them even more severe.

Droughts are caused by more than just a lack of total amassed rainfall. And the risk extends beyond just wildfires. Stream and river flow, groundwater level, and soil moisture all play a role, and each requires regular precipitation to maintain a delicate balance to provide both a healthy and functioning ecosystem and sustainable drinking water levels.

For droughts specifically, water evaporates more quickly when it's warmer. Hotter soils are drier. Drought conditions mean less greenery is growing, which means that plants are absorbing less CO2, creating a feedback loop that further contributes to warming.