National Drinking Water Database
National Drinking Water Database - Chemical Contaminants
sec-Butylbenzene
Status: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.
sec-Butylbenzene is a pollutant from the incomplete combustion of fossil fuels and various industrial processes.
Detected |
Found above health guidelines |
Found above legal limit |
|
|---|---|---|---|
| States | 11 |
- |
- |
| Water utilities | 19 |
- |
- |
| People Served | 424,610 |
- |
- |
Health Concerns for sec-Butylbenzene:
- Organ system toxicity (non-reproductive)
- Irritation (skin, eyes, or lungs)
- Ecotoxicology
- Persistence and bioaccumulation
sec-Butylbenzene Exposure by State
Water utilities in 11 states have reported detecting sec-Butylbenzene in treated tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies.
| State | Water Suppliers with sec-Butylbenzene contamination | |
|---|---|---|
| Systems | Population | |
| California | 1 | 390,350 |
| New York | 6 | 16,091 |
| Nebraska | 1 | 6,591 |
| Alaska | 1 | 4,550 |
| Missouri | 2 | 3,279 |
| Wisconsin | 2 | 1,050 |
| North Carolina | 2 | 953 |
| Vermont | 1 | 825 |
| Delaware | 1 | 500 |
| Ohio | 1 | 300 |
| Virginia | 1 | 121 |
| Total | 19 | 424,610 |
The Most Polluted Communities
19 water utilities reported detecting sec-Butylbenzene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies
Ranked by highest average sec-Butylbenzene level
| Rank | System | Population Served | Positive test results of total reported tests | Average Level (Range) |
|---|---|---|---|---|
| 1 | Cedar Hollow Mobile Home Park Wappingers Falls, NY | 200 | 1 of 1 | 2.2 ppb (2.2 ppb) |
| 2 | Middle Creek Master Garner, NC | 681 | 1 of 16 | 0.59 ppb (0 to 9.5 ppb) |
| 3 | Nome Joint Utility System Nome, AK | 4,550 | 1 of 1 | 0.59 ppb (0.59 ppb) |
| 4 | Bedford Hills/Taconic Corr. Facilities Bedford Hills, NY | 1,100 | 1 of 1 | 0.5 ppb (0.5 ppb) |
| 5 | Jericho Underhill Water Underhill, VT | 825 | 1 of 7 | 0.49 ppb (0 to 3.4 ppb) |
| 6 | Eglehoff Lawn Thiensville, WI | 50 | 1 of 1 | 0.31 ppb (0.31 ppb) |
| 7 | Freedom Sanitary District Kaukauna, WI | 1,000 | 1 of 1 | 0.28 ppb (0.28 ppb) |
| 8 | Wild Oaks Water Company Rockport, NY | 805 | 1 of 3 | 0.17 ppb (0 to 0.5 ppb) |
| 9 | Kiryas Joel Village Monroe, NY | 13,138 | 1 of 5 | 0.14 ppb (0 to 0.7 ppb) |
| 10 | Woodbridge S/D Mt Airy, NC | 272 | 1 of 10 | 0.14 ppb (0 to 1.4 ppb) |
Testing Summary for sec-Butylbenzene
| Are tests routinely required for sec-Butylbenzene by federal law? | No |
| Water suppliers reporting tests for sec-Butylbenzene (2004-2009): | 20,597 of 47,576 |
| Average testing rate for water supplier reporting tests (2004-2009): | 0.6 per year |
Organ system toxicity (non-reproductive)
| Type of concern: | Reference: |
| One or more animal studies show sense organ effects at moderate doses (low dose studies may be unavailable for this ingredient) | RTECS®- "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J 1986 |
| Classified as not expected to be potentially toxic or harmful | Environment Canada Domestic Substance List |
Irritation (skin, eyes, or lungs)
| Type of concern: | Reference: |
| One or more animal studies show skin irritation at low doses | RTECS®- "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J 1986 |
Ecotoxicology
| Type of concern: | Reference: |
| Not suspected to be an environmental toxin | Environment Canada Domestic Substance List |
Persistence and bioaccumulation
| Type of concern: | Reference: |
| Not suspected to be persistent | Environment Canada Domestic Substance List |
| Not suspected to be bioaccumulative | Environment Canada Domestic Substance List |
Government, industry, academic studies and classifications
| government/industry list/academic study | appears on list as | classification(s) |
| Environment Canada Domestic Substance List | BENZENE, (1-METHYLPROPYL)- | •This chemical was NOT flagged by CEPA for further attention. |
| RTECS®- "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J 1986 | BENZENE, SEC-BUTYL- | • sense organ - Primary eye irritant (rabbit ) • skin - Primary skin irritant (rabbit ) |
references
| government/industry list/academic study | reference |
| Environment Canada Domestic Substance List | EC (Environment Canada). 2008. Domestic Substances List Categorization. Canadian Environmental Protection Act (CEPA) Environmental Registry. |
| RTECS®- "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J 1986 | RTECS®- "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 -,36,1986 |
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