D.C. residents looking for relief from the heat won’t find it at the city’s public pools this summer. Mayor Muriel Bowser’s administration announced Wednesday that outdoor pools will not open at all this year to limit the spread of COVID-19.

“We understand residents look forward to escaping the summer heat at our pools,” Delano Hunter, director of D.C.’s Department of Public Recreation, said in a statement. “Out of an abundance of caution, and in consultation with the District’s public health experts, we have decided to prioritize the health and safety of residents.”

The city’s spray parks, indoor aquatic centers, and 21 outdoor pools have remained closed during Phase 2 of the city’s reopening. Under the reopening guidelines, pools can only reopen when the city enters Phase 3. City officials have not made any indication that the District might progress to that phase this summer.

This summer has been a particularly difficult one for residents to go without free access to swimming pools: D.C. broke its record for the most 90-degree days in a month in July.

More people than usual have been swimming in Rock Creek, a shallow waterway that runs through Montgomery County and the District. The increase led the National Park Service and Rock Creek Conservancy to install signs warning people to stay out of the water because of high levels of fecal contamination.

Meanwhile, some public pools in Maryland and Virginia have reopened.

Even if D.C. does suddenly experience a precipitous drop in transmission, the no-pools decision will remain final. The city plans to start the winterization process immediately, including draining and covering the pools.