The Power of Information

National Drinking Water Database


m- & p- Xylene in California


Xylene is a petroleum-derived solvent used in the printing, rubber, and leather industries, and as a cleaning agent, a thinner for paint, and an ingredient in paints and varnishes.

The Most Polluted Communities in California

38 water utilities reported detecting m- & p- Xylene in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average m- & p- Xylene level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Twentynine Palms Water Dist
Twentynine Palms, CA
16,3651 of 51.86 ppb
(0 to 9.3 ppb)
2Olivehurst Public U.D.
Olivehurst, CA
9,2383 of 121.36 ppb
(0 to 13 ppb)
3Camanche North Shore Inc.
Valley Springs, CA
13515 of 190.79 ppb
(0 to 1.8 ppb)
4Heritage Ranch Csd
Paso Robles, CA
2,5701 of 20.7 ppb
(0 to 1.4 ppb)
5Arbor Mobile Home Park
Acampo, CA
3401 of 10.64 ppb
(0.64 ppb)
6Cedar Lodge Resort
El Portal, CA
251 of 50.6 ppb
(0 to 3 ppb)
7Lamont Public Utility Dist
Lamont, CA
14,0001 of 50.56 ppb
(0 to 2.8 ppb)
8Placer Cwa - Alta
Auburn, CA
7162 of 60.49 ppb
(0 to 2.1 ppb)
9Yucaipa Valley WD Id-A&2
Yucaipa, CA
34,0001 of 480.48 ppb
(0 to 23 ppb)
10Lincoln Avenue Water Co.
Altadena, CA
16,0001 of 70.38 ppb
(0 to 2.65 ppb)

Health Based Limits for m- & p- Xylene

StandardDescriptionLevel
Maximum Contaminant Limit (MCL)The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.10000 ppb
Maximum Contaminant Limit Goal (MCLG)A non-enforceable health goal that is set at a level at which no known or anticipated adverse effect on the health of persons occurs and which allows an adequate margin of safety. Source: U.S. Environmental Protection Agency.10000 ppb

Violation Summary for m- & p- Xylene in California

There are no violations reported for this contaminant in California