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National Drinking Water Database


National Drinking Water Database - Chemical Contaminants

Butane


Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.

Butane is a component of natural gas as well as aerosols and lighter fuel, and is used as an extraction agent in the food processing industry.

 
Detected
Found above
health guidelines
Found above
legal limit
States
1
-
-
Water utilities
22
-
-
People Served
2,728,764
-
-

Butane Exposure by State

Water utilities in 1 states have reported detecting Butane in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.

StateWater Suppliers with Butane contamination
SystemsPopulation
Texas222,728,764
Total222,728,764

The Most Polluted Communities

22 water utilities reported detecting Butane in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Butane level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Bluff Dale Wsc
Bluff Dale, TX
15 of 561.13 ppb
(14.09 to 126 ppb)
2Heatherloch Mud
Tomball, TX
6,1291 of 153 ppb
(53 ppb)
3Mesa Grande Wsc
Weatherford, TX
3513 of 341.45 ppb
(5.7 to 66.65 ppb)
4Benbrook Village Mobile Home Park
Fort Worth, TX
1801 of 135.91 ppb
(35.91 ppb)
5B F E Water Co
Weatherford, TX
91 of 133.64 ppb
(33.64 ppb)
6Lake Country Acres
Houston, TX
5882 of 233.05 ppb
(3.1 to 63 ppb)
7Treichel Woods Estates
Pinehurst, TX
1622 of 230 ppb
(18 to 42 ppb)
8North Harris County Regional Water Autho
TX
01 of 124.5 ppb
(24.5 ppb)
9Harris County Mud 44
Spring, TX
2,2772 of 223.3 ppb
(2.6 to 44 ppb)
10Northwest Harris County Mud 23
Spring, TX
3,2763 of 313.43 ppb
(7.7 to 24.5 ppb)

Testing Summary for Butane

Are tests routinely required for Butane by federal law?No
Water suppliers reporting tests for Butane (2004-2007):22 of 47,576
Average testing rate for water supplier reporting tests (2004-2007):0.4 per year