National Drinking Water Database
2-Methyl naphthalene in Delaware
2-Methyl naphthalene is a chemical used to make dyes, resins and pharmaceuticals (such as vitamin K); it is released into the environment from burning fossil fuels, industrial discharges, tar and asphalt.
The Most Polluted Communities in Delaware
2 water utilities reported detecting 2-Methyl naphthalene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies
Ranked by highest average 2-Methyl naphthalene level
| Rank | System | Population Served | Positive test results of total reported tests | Average Level (Range) |
|---|---|---|---|---|
| 1 | Autumn Woods Mobile Home Park Wyoming, DE | 75 | 1 of 1 | 0.2 ppb (0.2 ppb) |
| 2 | Long Neck Water Company Long Neck, DE | 14,820 | 1 of 3 | < 0.01 ppb (0 to 0.03 ppb) |
Health Based Limits for 2-Methyl naphthalene
| Standard | Description | Level |
|---|---|---|
| Health-Based Screening Level | A benchmark concentration of contaminants in water that may be of potential concern for human health, if exceeded. For noncarcinogens, the HBSL represents the contaminant concentration in drinking water that is not expected to cause any adverse effects over a lifetime of exposure. For carcinogens, the HBSL range represents the contaminant concentration in drinking water that corresponds to an excess estimated lifetime cancer risk of 1 chance in 1 million to 1 chance in 10 thousand. Source: U.S. Geological Survey. | 30 ppb |
Violation Summary for 2-Methyl naphthalene in Delaware
There are no violations reported for this contaminant in Delaware