AUSTIN- Austin Water has lifted the boil water notice for all customers. ... Water quality testing submitted to the Texas Commission on Environmental Quality (TCEQ) has confirmed that tap water meets all regulatory standards and is safe for human consumption.

An aerial view of Austin after a severe snowstorm dumped heavy snow and plummeted temperatures. First Texans lost their power. After enduring multiple days of freezing temperatures, dripping faucets to prevent frozen pipes from bursting, cities across the state warned residents on Wednesday that water levels are dangerously low and may be unsafe to drink.

Many Texas cities are issuing boil notices — asking residents to boil tap water for drinking, cooking, brushing their teeth and for making ice — as residents have been struggling to maintain power and heat while an unprecedented winter storm whips across the state.

Be conservative on water usage today. It is needed for hospitals and fires. Approximately 420 public water systems in 120 Texas counties have reported disruptions in service, affecting more than 8 million people, according to the Texas Commission on Environmental Quality, as of Wednesday afternoon.

Stop dripping your faucets: Texas officials say the state’s water supply is at risk

Activities such as showering and doing laundry are safe, but cities under water boil notices are asking people to conserve water if at all possible.

Ad On Tuesday, more than 200,000 residents of northern Fort Worth, as well as people in Keller, Southlake, Roanoke and other nearby communities were told to boil their water as power outages affected water treatment plants, the Dallas Morning News.

On the same day, several Houston-area municipalities, including the Pearland and Katy and Greatwood-Sugarland areas have also issued the same instructions to their customers, the Houston Chronicle reported. While some parts of Austin have issued notices as a precautionary measure, other cities, like San Angelo, without safe drinking water after city officials found industrial chemicals contaminated the water system.