National Drinking Water Database
National Drinking Water Database - Chemical Contaminants
Pentane
Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.
Pentane is a short, volatile hydrocarbon; it is a component of some fuels, specialty solvent, and a blowing agent used in production of polystyrene foam.
Detected |
Found above health guidelines |
Found above legal limit |
|
|---|---|---|---|
| States | 1 |
- |
- |
| Water utilities | 18 |
- |
- |
| People Served | 2,722,900 |
- |
- |
Pentane Exposure by State
Water utilities in 1 states have reported detecting Pentane in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.
| State | Water Suppliers with Pentane contamination | |
|---|---|---|
| Systems | Population | |
| Texas | 18 | 2,722,900 |
| Total | 18 | 2,722,900 |
The Most Polluted Communities
18 water utilities reported detecting Pentane in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies
Ranked by highest average Pentane level
| Rank | System | Population Served | Positive test results of total reported tests | Average Level (Range) |
|---|---|---|---|---|
| 1 | Heatherloch Mud Tomball, TX | 6,129 | 1 of 2 | 26 ppb (0 to 52 ppb) |
| 2 | Bluff Dale Wsc Bluff Dale, TX | 1 | 3 of 3 | 25.02 ppb (1.67 to 51.01 ppb) |
| 3 | Mesa Grande Wsc Weatherford, TX | 351 | 3 of 4 | 17.43 ppb (0 to 32.05 ppb) |
| 4 | The Market AT Meyer Park Spring, TX | 700 | 1 of 1 | 12.5 ppb (12.5 ppb) |
| 5 | North Harris County Regional Water Autho TX | 0 | 1 of 2 | 11.25 ppb (0 to 22.5 ppb) |
| 6 | Lake Country Acres Houston, TX | 588 | 2 of 3 | 8.13 ppb (0 to 16 ppb) |
| 7 | B F E Water Co Weatherford, TX | 9 | 2 of 2 | 4.42 ppb (0.9 to 7.93 ppb) |
| 8 | Harris County Mud 58 Houston, TX | 1,542 | 2 of 2 | 3.78 ppb (1.65 to 5.9 ppb) |
| 9 | Benbrook Village Mobile Home Park Fort Worth, TX | 180 | 1 of 2 | 3.41 ppb (0 to 6.81 ppb) |
| 10 | Northwest Harris County Mud 23 Spring, TX | 3,276 | 1 of 1 | 1.55 ppb (1.55 ppb) |
Testing Summary for Pentane
| Are tests routinely required for Pentane by federal law? | No |
| Water suppliers reporting tests for Pentane (2004-2007): | 1,677 of 47,576 |
| Average testing rate for water supplier reporting tests (2004-2007): | 0.3 per year |