National Drinking Water Database
National Drinking Water Database - Chemical Contaminants
Butanal
Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.
Butanal (also called Butyraldehyde) is a high production volume chemical used in chemical industry; over one billion pounds of butanal were produced in 2006.
Detected |
Found above health guidelines |
Found above legal limit |
|
|---|---|---|---|
| States | 1 |
- |
- |
| Water utilities | 14 |
- |
- |
| People Served | 22,795 |
- |
- |
Butanal Exposure by State
Water utilities in 1 states have reported detecting Butanal in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.
| State | Water Suppliers with Butanal contamination | |
|---|---|---|
| Systems | Population | |
| Texas | 14 | 22,795 |
| Total | 14 | 22,795 |
The Most Polluted Communities
14 water utilities reported detecting Butanal in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies
Ranked by highest average Butanal level
| Rank | System | Population Served | Positive test results of total reported tests | Average Level (Range) |
|---|---|---|---|---|
| 1 | White Oak Manor Mobile Home Park Houston, TX | 648 | 1 of 1 | 3.7 ppb (3.7 ppb) |
| 2 | Northwest Harris County Mud 23 Spring, TX | 3,276 | 1 of 1 | 2.55 ppb (2.55 ppb) |
| 3 | Bilma Pud Spring, TX | 2,886 | 1 of 1 | 2.5 ppb (2.5 ppb) |
| 4 | Timberlane Utility District Houston, TX | 10,503 | 1 of 1 | 2.3 ppb (2.3 ppb) |
| 5 | Louetta Road Utility District Spring, TX | 1,323 | 1 of 1 | 2.3 ppb (2.3 ppb) |
| 6 | North Channel Water Authority Houston, TX | 25 | 1 of 1 | 1.9 ppb (1.9 ppb) |
| 7 | Horseshoe Bend Village Houston, TX | 495 | 1 of 1 | 1.8 ppb (1.8 ppb) |
| 8 | City of China China, TX | 1,644 | 1 of 1 | 1.6 ppb (1.6 ppb) |
| 9 | Pine Meadows Subdivision Shepherd, TX | 90 | 1 of 1 | 1.5 ppb (1.5 ppb) |
| 10 | Cedar Bayou Park Water Supply Inc Baytown, TX | 567 | 1 of 1 | 1.1 ppb (1.1 ppb) |
Testing Summary for Butanal
| Are tests routinely required for Butanal by federal law? | No |
| Water suppliers reporting tests for Butanal (2005-2006): | 14 of 47,576 |
| Average testing rate for water supplier reporting tests (2005-2006): | 0.5 per year |