These maps show places that are under a boil water advisory in the Houston area

See tips on boiling water to ensure safety from the Texas Commission on Environmental Quality

A large part of Houston and surrounding areas are under a 24-hour boil water notice after a massive water main break in east Houston flooded streets and surrounding neighborhoods Thursday afternoon.

HOUSTON – Houston Public Works and officials in Missouri City released maps showing the parts of the Houston area that are under a boil water notice after an 8-foot water main break flooded eastern parts of the city Thursday.

FAQs: Here are answers to your questions about the boil water notice in Houston after a major water main break

“Houston Public Works has received reports of low water pressure and we ask the community to conserve water in the area (minimize water usage, turn off sprinklers, avoid watering outdoors and washing cars),” officials wrote. “Houston Water crews have been able to isolate the break and water pressure should be slowly restored over the next few hours.”

Officials at Houston Public Works said areas shaded in orange on the map embedded below are included in the boil water notice.

The Houston boil water notice will remain in effect until at least Saturday at 7 a.m, Houston Mayor Sylvester Turner said in a press conference Friday afternoon. The boil water notice doesn’t affect Clear Lake and Kingwood.

Officials at Public Works said Friday that some cities and towns that are not part of the city of Houston are included in the map because those municipalities purchase water from Houston’s main water system.

Crews are working to assess the damage to the water main along Clinton Drive near the Interstate 610 East Loop. Repairs are expected to take about a week.

Missouri City

Officials in Missouri City said Friday that a precautionary boil water notice for people who live in Southwest Harris County MUD No. 1 and provided the map below of the area that is included in the notice. Officials said the notice is in effect until further notice from the MUD.

Officials in Missouri City, Texas, released this map Feb. 28, 2020, of areas included in a boil water notice. (Missouri City Government)

Tips to ensure safety while boiling water

The Texas Commission on Environmental Quality provided some tips on ensuring you’re remaining safe under a boil water notice.

  • To ensure destruction of all harmful bacteria and other microbes, water for drinking, cooking, and ice making should be boiled and cooled prior to use for drinking water or human consumption purposes.
  • The water should be brought to a vigorous rolling boil and then boiled for two minutes.
  • In lieu of boiling, individuals may purchase bottled water or obtain water from some other suitable source for drinking water or human consumption purposes.
  • When it is no longer necessary to boil the water, the public water system officials will notify customers that the water is safe for drinking water or human consumption purposes.


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