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EWG's Tap Water Database — 2021 UPDATE

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Tetrachloroethylene (perchloroethylene)

Monroe Twp MUA

Dry cleaning chemical tetrachloroethylene, or perc, can cause cancer. It pollutes soil and groundwater due to emissions from dry cleaning facilities, and automotive, metalworking and other industries. Read More.

The EPA considers tetrachloroethylene a likely human carcinogen. It has been linked with increased incidence of lung, breast and colon cancers. Tetrachloroethylene also damages the liver, kidneys and central nervous system. The California public health goal of 0.06 parts per billion, set to protect against cancer, is 80 times lower than the amount allowed by the federal government, which is a Maximum Contaminant Level of 5 parts per billion.

Click here to read more about carcinogenic VOCs.

 

296

Samples

1

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.00731 ppb1048ND - 0.110 ppb
20150.104 ppb1034ND - 9.50 ppb
2016ND330ND
2017ND200ND
2018ND180ND
2019ND180ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.06 ppb

The EWG Health Guideline of 0.06 ppb for tetrachloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

EPA Maximum Contaminant
Level (MCL) 5 ppb

The legal limit for tetrachloroethylene, established in 1991, was based on analytical detection limits at the time that the standard was set. This limit does not fully protect against the risk of cancer due to tetrachloroethylene exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-08L4861520-20.0800 ppb
2014-01-08L4861515-2ND
2014-01-08L4861520-4ND
2014-01-15L4869367-20.0800 ppb
2014-01-15L4869365-2ND
2014-01-15L4869367-4ND
2014-01-15L4869367-6ND
2014-01-29L4806346-1ND
2014-02-04L4900199-20.110 ppb
2014-02-04L4900197-2ND
2014-02-04L4900199-6ND
2014-02-12L4905594-20.0900 ppb
2014-02-12L4905592-2ND
2014-02-12L4905594-4ND
2014-02-12L4905594-6ND
2014-02-26L4421456-2ND
2014-02-26L4837290-1ND
2014-03-05L4941110-20.1000 ppb
2014-03-05L4941108-2ND
2014-03-05L4941110-4ND
2014-03-05L4941110-6ND
2014-03-12L4947427-2ND
2014-03-12L4947425-2ND
2014-03-12L4947427-4ND
2014-03-12L4947427-6ND
2014-04-02L4974860-20.1000 ppb
2014-04-02L4974854-2ND
2014-04-09L4983624-20.110 ppb
2014-04-09L4983625-2ND
2014-04-09L3910885-3ND
2014-04-09L4498576-1ND
2014-05-07L5011070-2ND
2014-05-07L5011071-2ND
2014-05-07L4893067-1ND
2014-05-14L5016054-6ND
2014-05-21L4861514-20.0900 ppb
2014-05-21L4861514-4ND
2014-05-21L4861514-6ND
2014-05-21L4861514-8ND
2014-06-04L5055995-2ND
2014-06-04L5055996-2ND
2014-06-04L5055995-6ND
2014-06-04L4974856-3ND
2014-06-18L5101766-2ND
2014-06-18L5101769-2ND
2014-06-18L5101766-4ND
2014-06-18L5101766-6ND
2014-06-25L5065611-4ND
2014-06-25L5065611-2ND
2014-06-25L5065611-6ND
2014-06-26L4800632-2ND
2014-07-02L5112472-2ND
2014-07-02L5112472-8ND
2014-07-02L5112472-4ND
2014-07-02L5112472-6ND
2014-07-02L5112472-10ND
2014-07-02L5112472-13ND
2014-07-16L5112474-4ND
2014-07-16L5112474-2ND
2014-07-16L5112474-6ND
2014-07-16L5112474-8ND
2014-08-06L5158340-2ND
2014-08-06L5158342-2ND
2014-08-06L5158340-4ND
2014-08-06L5158340-6ND
2014-08-20L5168226-2ND
2014-08-20L5168226-4ND
2014-08-20L5168226-6ND
2014-08-28L5197977-2ND
2014-09-10L5209131-2ND
2014-09-10L5209133-2ND
2014-09-10L5209131-4ND
2014-09-10L5209131-6ND
2014-09-24L5202847-2ND
2014-09-24L5202849-2ND
2014-09-24L5202847-4ND
2014-09-24L5202847-6ND
2014-09-24L5216776-3ND
2014-10-08L5240114-2ND
2014-10-08L5240117-2ND
2014-10-08L5240114-4ND
2014-10-08L5240114-6ND
2014-10-08L5240119-7ND
2014-10-22L5247599-2ND
2014-10-22L5247600-2ND
2014-10-22L5247599-4ND
2014-10-22L5247599-6ND
2014-11-05L5284696-2ND
2014-11-05L5284697-2ND
2014-11-05L5284696-4ND
2014-11-05L5284696-6ND
2014-11-14L5101770-2ND
2014-11-19L5292114-2ND
2014-11-19L5292115-2ND
2014-11-19L5292114-4ND
2014-11-19L5292114-6ND
2014-12-03L5320700-2ND
2014-12-03L5320701-2ND
2014-12-03L5320700-4ND
2014-12-03L5320700-6ND
2014-12-17L5328165-2ND
2014-12-17L5328166-2ND
2014-12-17L5328165-4ND
2014-12-17L5328165-6ND
2015-01-07L5364521-2ND
2015-01-07L5364557-2ND
2015-01-07L5364521-4ND
2015-01-07L5364521-6ND
2015-01-07L5101772-1ND
2015-01-21L5372236-2ND
2015-01-21L5372236-8ND
2015-01-21L5372236-4ND
2015-01-21L5372236-6ND
2015-01-21L4974849-1ND
2015-02-04L5406333-2ND
2015-02-04L5406367-2ND
2015-02-04L5406333-4ND
2015-02-04L5406333-6ND
2015-02-18L5415948-2ND
2015-02-18L5415948-4ND
2015-02-18L5415948-6ND
2015-03-04L5450243-2ND
2015-03-04L5450243-4ND
2015-03-04L5450243-6ND
2015-03-18L5458177-2ND
2015-03-18L5458177-4ND
2015-03-18L5458177-6ND
2015-04-01L5489111-2ND
2015-04-01L5489174-2ND
2015-04-01L5489111-4ND
2015-04-01L5489111-6ND
2015-04-15L5497563-2ND
2015-04-15L5497581-2ND
2015-04-15L5497563-4ND
2015-04-15L5497563-6ND
2015-04-15L5489175-3ND
2015-05-06L5547742-2ND
2015-05-06L5547759-2ND
2015-05-06L5547742-4ND
2015-05-06L5547742-6ND
2015-05-06L5576820-3ND
2015-05-20L5352907-2ND
2015-05-20L5352907-8ND
2015-05-20L5352907-4ND
2015-05-20L5352907-6ND
2015-06-03L5586596-2ND
2015-06-03L5586632-2ND
2015-06-03L5586596-4ND
2015-06-03L5586596-6ND
2015-06-03L5586596-8ND
2015-06-03L5586596-11ND
2015-06-17L5595492-2ND
2015-06-17L5595511-2ND
2015-06-17L5595492-4ND
2015-06-17L5595492-6ND
2015-07-08L5652152-2ND
2015-07-08L5652173-2ND
2015-07-08L5652152-4ND
2015-07-08L5652152-6ND
2015-07-24L5724309-2ND
2015-07-24L5724309-4ND
2015-07-24L5724309-6ND
2015-07-24L5724309-8ND
2015-08-12L5707284-2ND
2015-08-12L5707322-2ND
2015-08-12L5707284-4ND
2015-08-12L5707284-6ND
2015-08-26L5718591-2ND
2015-08-26L5718611-2ND
2015-08-26L5718591-4ND
2015-08-26L5718591-6ND
2015-09-09L5760285-2ND
2015-09-09L5760328-2ND
2015-09-09L5760285-4ND
2015-09-09L5760285-6ND
2015-09-23L5769948-2ND
2015-09-23L5769968-2ND
2015-09-23L5769948-4ND
2015-09-23L5769948-6ND
2015-10-07L5817658-2ND
2015-10-07L5817693-2ND
2015-10-07L5817658-4ND
2015-10-07L5817658-6ND
2015-10-21L5827923-2ND
2015-10-21L5808048-2ND
2015-10-21L5827923-4ND
2015-10-21L5827923-6ND
2015-11-04L5861335-2ND
2015-11-04L5861373-2ND
2015-11-04L5861335-4ND
2015-11-04L5861335-6ND
2015-11-18L5352909-2ND
2015-11-18L5870878-2ND
2015-11-18L5352909-4ND
2015-11-18L5352909-6ND
2015-12-09L5908501-2ND
2015-12-09L5908537-2ND
2015-12-09L5908501-4ND
2015-12-09L5908501-6ND
2015-12-09L5908501-19.50 ppb
2015-12-09L5908537-10.570 ppb
2015-12-09L5908501-30.210 ppb
2015-12-09L5908501-50.450 ppb
2015-12-23L5914288-2ND
2015-12-23L5914307-2ND
2015-12-23L5914288-4ND
2015-12-23L5914288-6ND
2016-01-06L5966583-2ND
2016-01-06L5966649-2ND
2016-01-06L5966583-4ND
2016-01-06L5966583-6ND
2016-01-20L5974155-2ND
2016-01-20L5974175-2ND
2016-01-20L5974155-4ND
2016-01-20L5974155-6ND
2016-01-20L5966584-5ND
2016-02-03L6015326-2ND
2016-02-03L6015362-2ND
2016-02-03L6015326-4ND
2016-02-03L6015326-6ND
2016-02-17L6024321-2ND
2016-02-17L6024338-2ND
2016-02-17L6024321-4ND
2016-02-17L6024321-6ND
2016-03-02L6065292-2ND
2016-03-02L6065331-2ND
2016-03-02L6065292-4ND
2016-03-02L6065292-6ND
2016-04-06L6125450-2ND
2016-04-06L6125450-4ND
2016-04-06L6125450-6ND
2016-04-13L6125516-2ND
2016-07-06L6313227-2ND
2016-07-06L6313308-2ND
2016-07-06L6313227-4ND
2016-07-06L6313227-6ND
2016-10-12L6475455-2ND
2016-10-12L6475485-2ND
2016-10-12L6475455-4ND
2016-12-21L6605364-2ND
2017-01-11L6603897-2ND
2017-01-11L6597137-2ND
2017-01-11L6603897-4ND
2017-01-11L6597137-5ND
2017-03-21L6581801-2ND
2017-04-20L6718593-2ND
2017-04-20L6718593-4ND
2017-04-20L6718593-6ND
2017-04-26L6718833-2ND
2017-04-26L6718833-7ND
2017-04-26L6718833-4ND
2017-05-16L6805913-2ND
2017-07-12L6853457-8ND
2017-07-12L6853457-2ND
2017-07-12L6853457-4ND
2017-07-12L6853457-6ND
2017-10-11L6949155-2ND
2017-10-11L6955277-2ND
2017-10-11L6949155-4ND
2017-10-11L6955277-4ND
2018-01-173859238ND
2018-01-173859242ND
2018-01-173859236ND
2018-01-173859240ND
2018-01-173859233ND
2018-01-173859232ND
2018-04-11380411231ND
2018-04-11380411235ND
2018-04-11380411237ND
2018-04-11380411233ND
2018-07-12380712232.2ND
2018-07-12380712231.2ND
2018-07-12380712233.2ND
2018-07-12380712241.2ND
2018-10-09381009715.1ND
2018-10-09381009714.1ND
2018-10-09381009709.1ND
2018-10-09381009713.1ND
2019-01-16390116753.2ND
2019-01-16390116754.2ND
2019-01-16390116751.2ND
2019-01-16390116752.2ND
2019-01-16390116762.2ND
2019-01-16390116765ND
2019-04-09390409733.2ND
2019-04-09390409734.2ND
2019-04-09390409735.2ND
2019-04-09390409732.2ND
2019-07-19390719720.2ND
2019-07-19390719724.2ND
2019-07-19390719725.2ND
2019-07-19390719726.2ND
2019-10-22391022708.1ND
2019-10-22391022709.1ND
2019-10-22391022710.1ND
2019-10-22391022711.1ND