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EWG's Tap Water Database — 2021 UPDATE

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Chloroform

Lubbock Public Water System

Chloroform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Chloroform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Read More.

In addition to tap water disinfection, chloroform pollution in the environment also comes from industrial discharges from pulp and paper mills, and from urban wastewater effluent. Human studies show that chloroform damages the kidneys, liver and central nervous system. In animals, chloroform causes infertility, birth defects and cancer.

Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

209

Samples

0

Samples exceeding legal limit (MCL)

90

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.274 ppb346ND - 2.20 ppb
20151.48 ppb3521ND - 3.96 ppb
20161.44 ppb3525ND - 3.64 ppb
20170.673 ppb3513ND - 2.50 ppb
20180.784 ppb3514ND - 3.88 ppb
20190.406 ppb3511ND - 1.70 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.4 ppb

The EWG Health Guideline of 0.4 ppb for chloroform was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-22Q1401929002ND
2014-02-12Q1404338003ND
2014-02-12Q1404338008ND
2014-02-12Q1404338009ND
2014-02-12Q1404338010ND
2014-02-12Q1404338011ND
2014-02-12Q1404338012ND
2014-02-12Q1404338013ND
2014-02-12Q1404338014ND
2014-02-12Q1404338001ND
2014-04-30Q1413994001ND
2014-04-30Q1413994002ND
2014-04-30Q1413994003ND
2014-04-30Q1413994004ND
2014-04-30Q1413994005ND
2014-04-30Q1413994006ND
2014-04-30Q1413994007ND
2014-04-30Q1413994008ND
2014-09-17Q14450270071.70 ppb
2014-09-17Q14450270082.20 ppb
2014-09-17Q14450270091.10 ppb
2014-09-17Q14450270101.30 ppb
2014-09-17Q1445027011ND
2014-09-17Q14450270121.40 ppb
2014-09-17Q1445027013ND
2014-09-17Q14450270141.60 ppb
2014-11-12Q1455696001ND
2014-11-12Q1455696002ND
2014-11-12Q1455696003ND
2014-11-12Q1455696004ND
2014-11-12Q1455696005ND
2014-11-12Q1455696006ND
2014-11-12Q1455696007ND
2014-11-12Q1455696008ND
2015-02-03Q1504173001ND
2015-02-03Q15041730063.20 ppb
2015-02-11Q1505820001ND
2015-02-11Q15058200051.30 ppb
2015-02-11Q15058200061.70 ppb
2015-02-11Q15058200071.20 ppb
2015-02-11Q15058200081.50 ppb
2015-02-11Q1505820009ND
2015-02-11Q1505820010ND
2015-02-11Q1505820011ND
2015-04-07Q1513290006ND
2015-04-22Q1514946001ND
2015-04-22Q1514946002ND
2015-04-22Q1514946003ND
2015-04-22Q1514946004ND
2015-04-22Q1514946005ND
2015-04-22Q1514946006ND
2015-04-22Q1514946007ND
2015-04-22Q1514946008ND
2015-09-23Q15373770013.32 ppb
2015-09-23Q15373770022.48 ppb
2015-09-23Q15373770033.96 ppb
2015-09-23Q15373770043.79 ppb
2015-09-23Q15373770053.40 ppb
2015-09-23Q15373770062.50 ppb
2015-09-23Q15373770073.17 ppb
2015-09-23Q15373770081.96 ppb
2015-11-04Q15435320012.26 ppb
2015-11-04Q15435320022.17 ppb
2015-11-04Q15435320032.54 ppb
2015-11-04Q15435320042.45 ppb
2015-11-04Q15435320052.25 ppb
2015-11-04Q15435320062.10 ppb
2015-11-04Q15435320072.77 ppb
2015-11-04Q15435320081.81 ppb
2016-02-03Q16047160112.63 ppb
2016-02-03Q1604716004ND
2016-02-03Q16047160143.54 ppb
2016-02-03Q16047160153.64 ppb
2016-02-03Q16047160161.88 ppb
2016-02-03Q16047160173.48 ppb
2016-02-03Q16047160181.12 ppb
2016-02-03Q16047160011.52 ppb
2016-02-03Q1604716002ND
2016-02-03Q16047160032.76 ppb
2016-04-06Q16135430011.21 ppb
2016-04-27Q16166810011.24 ppb
2016-04-27Q16166810022.04 ppb
2016-04-27Q16166810032.12 ppb
2016-04-27Q16166810042.10 ppb
2016-04-27Q16166810051.54 ppb
2016-04-27Q16166810061.35 ppb
2016-04-27Q16166810071.91 ppb
2016-04-27Q16166810081.73 ppb
2016-08-10Q16332890011.43 ppb
2016-08-10Q16332890022.33 ppb
2016-08-10Q16332890032.47 ppb
2016-08-10Q16332890042.47 ppb
2016-08-10Q16332890051.71 ppb
2016-08-10Q16332890061.90 ppb
2016-08-10Q16332890071.10 ppb
2016-08-10Q16332890081.06 ppb
2016-12-07Q1653437001ND
2016-12-07Q1653437005ND
2016-12-07Q1653437002ND
2016-12-07Q1653437006ND
2016-12-07Q1653437003ND
2016-12-07Q1653437007ND
2016-12-07Q1653437008ND
2016-12-07Q1653437004ND
2017-02-08Q1705565007ND
2017-02-08Q1705565011ND
2017-02-08Q1705565012ND
2017-02-08Q1705565013ND
2017-02-08Q1705565014ND
2017-02-08Q1705565004ND
2017-02-08Q1705565001ND
2017-02-08Q1705565002ND
2017-02-08Q1705565003ND
2017-04-26Q1717057001ND
2017-04-26Q1717057002ND
2017-04-26Q1717057003ND
2017-04-26Q1717057004ND
2017-04-26Q1717057005ND
2017-04-26Q1717057006ND
2017-04-26Q1717057007ND
2017-04-26Q1717057008ND
2017-08-10Q1734366011ND
2017-08-10Q17343660071.33 ppb
2017-08-10Q17343660141.65 ppb
2017-08-10Q17343660021.93 ppb
2017-08-10Q17343660031.64 ppb
2017-08-10Q17343660151.60 ppb
2017-08-10Q17343660081.21 ppb
2017-08-10Q17343660041.79 ppb
2017-08-10Q1734366016ND
2017-09-27Q1746701005ND
2017-11-16Q17591300011.97 ppb
2017-11-16Q17591300022.26 ppb
2017-11-16Q17591300032.04 ppb
2017-11-16Q17591300042.50 ppb
2017-11-16Q1759130005ND
2017-11-16Q17591300062.01 ppb
2017-11-16Q1759130007ND
2017-11-16Q17591300081.62 ppb
2018-02-07Q18050180142.79 ppb
2018-02-07Q1805018003ND
2018-02-07Q18050180043.85 ppb
2018-02-07Q18050180051.11 ppb
2018-02-07Q18050180061.96 ppb
2018-02-07Q1805018007ND
2018-02-07Q1805018008ND
2018-02-07Q1805018009ND
2018-02-07Q1805018010ND
2018-03-26Q1812603005ND
2018-04-19Q18161610073.88 ppb
2018-04-19Q18161610021.28 ppb
2018-04-19Q18161610091.99 ppb
2018-04-19Q18161610032.19 ppb
2018-04-19Q18161610101.84 ppb
2018-04-19Q18161610041.59 ppb
2018-04-19Q18161610111.46 ppb
2018-04-19Q1816161005ND
2018-04-19Q1816161012ND
2018-08-27Q1834211006ND
2018-08-27Q1834211002ND
2018-08-27Q18342110071.46 ppb
2018-08-27Q18342110031.000 ppb
2018-08-27Q18342110081.04 ppb
2018-08-27Q1834211004ND
2018-08-27Q1834211005ND
2018-08-27Q1834211001ND
2018-10-31Q1843833002ND
2018-10-31Q1843833003ND
2018-10-31Q1843833004ND
2018-10-31Q1843833005ND
2018-10-31Q1843833006ND
2018-10-31Q1843833007ND
2018-10-31Q1843833008ND
2018-10-31Q1843833001ND
2019-02-14Q1906913007ND
2019-02-14Q1906913003ND
2019-02-14Q1906913010ND
2019-02-14Q1906913011ND
2019-02-14Q1906913004ND
2019-02-14Q1906913012ND
2019-02-14Q1906913005ND
2019-02-14Q1906913013ND
2019-02-14Q1906913006ND
2019-04-16Q1915160003ND
2019-04-16Q1915160005ND
2019-04-16Q19151600171.05 ppb
2019-04-16Q19151600181.70 ppb
2019-04-16Q19151600191.45 ppb
2019-04-16Q19151600201.20 ppb
2019-04-16Q1915160021ND
2019-04-16Q19151600221.08 ppb
2019-04-16Q1915160023ND
2019-04-16Q19151600241.45 ppb
2019-08-21Q1957891001ND
2019-08-21Q1957891002ND
2019-08-21Q19578910031.23 ppb
2019-08-21Q19578910041.29 ppb
2019-08-21Q19578910051.20 ppb
2019-08-21Q1957891006ND
2019-08-21Q1957891007ND
2019-08-21Q19578910081.05 ppb
2019-11-20Q1977540001ND
2019-11-20Q19775400021.50 ppb
2019-11-20Q1977540003ND
2019-11-20Q1977540004ND
2019-11-20Q1977540005ND
2019-11-20Q1977540006ND
2019-11-20Q1977540007ND
2019-11-20Q1977540008ND