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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:


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.

StateWater Suppliers with sec-Butylbenzene contamination
SystemsPopulation
California1390,350
New York616,091
Nebraska16,591
Alaska14,550
Missouri23,279
Wisconsin21,050
North Carolina2953
Vermont1825
Delaware1500
Ohio1300
Virginia1121
Total19424,610

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

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Cedar Hollow Mobile Home Park
Wappingers Falls, NY
2001 of 12.2 ppb
(2.2 ppb)
2Middle Creek Master
Garner, NC
6811 of 160.59 ppb
(0 to 9.5 ppb)
3Nome Joint Utility System
Nome, AK
4,5501 of 10.59 ppb
(0.59 ppb)
4Bedford Hills/Taconic Corr. Facilities
Bedford Hills, NY
1,1001 of 10.5 ppb
(0.5 ppb)
5Jericho Underhill Water
Underhill, VT
8251 of 70.49 ppb
(0 to 3.4 ppb)
6Eglehoff Lawn
Thiensville, WI
501 of 10.31 ppb
(0.31 ppb)
7Freedom Sanitary District
Kaukauna, WI
1,0001 of 10.28 ppb
(0.28 ppb)
8Wild Oaks Water Company
Rockport, NY
8051 of 30.17 ppb
(0 to 0.5 ppb)
9Kiryas Joel Village
Monroe, NY
13,1381 of 50.14 ppb
(0 to 0.7 ppb)
10Woodbridge S/D
Mt Airy, NC
2721 of 100.14 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 ListBENZENE, (1-METHYLPROPYL)-•This chemical was NOT flagged by CEPA for further attention.
RTECS®- "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J 1986BENZENE, SEC-BUTYL-• sense organ - Primary eye irritant (rabbit )
• skin - Primary skin irritant (rabbit )



references

government/industry list/academic study reference
Environment Canada Domestic Substance ListEC (Environment Canada). 2008. Domestic Substances List Categorization. Canadian Environmental Protection Act (CEPA) Environmental Registry.
RTECS®- "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J 1986RTECS®- "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 -,36,1986

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