7 weeks after Helene, Asheville now has safe drinking water
By Michelle Watson, CNN
(CNN) — Asheville, North Carolina, residents now have safe drinking water after a boil notice was lifted Monday, more than seven weeks after Tropical Storm Helene struck on September 27.
Helene hit western North Carolina as a tropical storm, causing devastating flood damage and harm to its water system. The storm dumped so much water over the southern Appalachians in three days that it became a catastrophic, once-in-1,000-year rainfall event for the region, the National Weather Service said.
“The City of Asheville has lifted the Boil Water Notice for all water customers as of 11 a.m. today, November 18,” the Asheville Fire Department said in a Facebook post Monday. “Water Resources lab staff finished sampling the distribution system early Sunday afternoon, and results have confirmed that the water supply is free from contaminants.”
Asheville Water Resources spokesperson Clay Chandler said Friday there was a sampling process that had to take place before the notice was lifted.
“Due to reduced turbidity levels in the North Fork Reservoir and our capacity to push treated water into the system, we’ve been able to feed a sufficient amount of filtered water into the distribution system without blending it with raw water,” Chandler said.
Turbidity is a measure of the level of particles in a body of water, according to the National Oceanic and Atmospheric Administration. The turbidity level must be around 1.5-2 units to be safe for a standard treatment process at North Carolina’s North Fork Reservoir, the city previously said.
The North Fork Reservoir provides water to most people in Asheville, according to the Asheville Citizen-Times. Its turbidity levels dropped below 15 units on Wednesday, according to recent information released by the city. Turbidity levels had been as high as 90 units in the immediate aftermath of Helene, CNN affiliate WLOS reported.
“The use of treated water combined with customer usage has given us data that we feel is sufficient to reach the conclusion that the system has, for the most part, turned over. And the vast majority of raw water has been replaced with treated water,” Chandler said.
The sampling process, which was developed in conjunction with guidance from the Environmental Protection Agency and The North Carolina Department of Environmental Quality began Saturday, Chandler said Friday.
Turbidity could still increase due to unforeseen events like line breaks, or “heaven forbid,” another natural disaster, Chandler said.
The Asheville Fire Department asked residents to “temporarily avoid large-volume activities like filling bathtubs, watering landscaping, filling swimming pools and taking abnormally long showers,” but said normal water usage for drinking, cooking and bathing could resume.
In Buncombe County, where Asheville is located, at least 42 people died due to Helene. The Asheville City Schools district reopened last month, CNN previously reported.
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