Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Cathedral Gardens Water District

NOTE: Cathedral Gardens Water District purchases water from West Hempstead WD which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by West Hempstead WD.

Monochlorobenzene is used as a solvent for pesticides, a degreasing agent and an intermediate for manufacturing other chemicals. It causes liver and kidney damage in studies of laboratory animals.

 

345

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND630ND
2019ND730ND
2020ND460ND
2021ND10ND
2022ND620ND
2023ND640ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 70 ppb

The EWG Health Guideline of 70 ppb for monochlorobenzene 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 harm to internal organs.

EPA Maximum Contaminant
Level (MCL): 100 ppb

The legal limit for monochlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

NOTE: Cathedral Gardens Water District purchases water from West Hempstead WD which is required to test for monochlorobenzene (chlorobenzene). Sample information shown below was taken by West Hempstead WD.

Date Lab ID Result
2018-01-297041548004ND
2018-01-297041548005ND
2018-01-297041548007ND
2018-01-297041548003ND
2018-01-297041548001ND
2018-02-027041915001ND
2018-02-067042140001ND
2018-02-067042140002ND
2018-02-277043988002ND
2018-02-277043988003ND
2018-03-147045340001ND
2018-04-117048032003ND
2018-04-117048032007ND
2018-05-097051070009ND
2018-05-097051070004ND
2018-05-097051070008ND
2018-05-097051070002ND
2018-05-097051070001ND
2018-05-097051070007ND
2018-05-297052990001ND
2018-06-077054158001ND
2018-07-127058043004ND
2018-07-127058043003ND
2018-07-127058043001ND
2018-07-127058043005ND
2018-07-127058043002ND
2018-07-257059403001ND
2018-07-257059403002ND
2018-07-257059403004ND
2018-07-307059795001ND
2018-07-307060374001ND
2018-07-307059795002ND
2018-08-037060374002ND
2018-08-087060867007ND
2018-08-087060867004ND
2018-08-087060867002ND
2018-08-087060867008ND
2018-08-087060867003ND
2018-08-147061678001ND
2018-08-147061458001ND
2018-08-157061678002ND
2018-08-157061678003ND
2018-08-287062981001ND
2018-09-067063920007ND
2018-10-107067472002ND
2018-10-107067472001ND
2018-10-107067472007ND
2018-10-107067472008ND
2018-10-107067472004ND
2018-10-107067472006ND
2018-10-107067472005ND
2018-10-227068648001ND
2018-10-227068648002ND
2018-10-297069357001ND
2018-10-297069357002ND
2018-11-087070471002ND
2018-11-087070471003ND
2018-11-087070471001ND
2018-11-147071116002ND
2018-11-147071116001ND
2018-11-307072502001ND
2018-11-307072502002ND
2018-12-057072906007ND
2019-01-167076814007ND
2019-01-167076814008ND
2019-01-167076814005ND
2019-01-167076814004ND
2019-01-167076814001ND
2019-01-167076814002ND
2019-01-237077404001ND
2019-04-107085363003ND
2019-04-107085363004ND
2019-04-107085363011ND
2019-04-107085363005ND
2019-04-107085363002ND
2019-04-107085363001ND
2019-04-107085363006ND
2019-05-017087793002ND
2019-05-017087793004ND
2019-05-017087793001ND
2019-05-087088904001ND
2019-05-137089255001ND
2019-05-157089512001ND
2019-05-207090136001ND
2019-05-207090136002ND
2019-05-297091299002ND
2019-05-297091299001ND
2019-06-067092440003ND
2019-06-067092440001ND
2019-06-097092440004ND
2019-06-187094131002ND
2019-06-187094131001ND
2019-06-267095714001ND
2019-06-287095864001ND
2019-07-027096099001ND
2019-07-027096099002ND
2019-07-257098863003ND
2019-07-257098863001ND
2019-07-257098863004ND
2019-07-257098863002ND
2019-07-257098863005ND
2019-07-297099198001ND
2019-08-0870100445002ND
2019-08-1370101278001ND
2019-08-1370101278002ND
2019-08-1370101278003ND
2019-08-1470101278007ND
2019-08-1470101278006ND
2019-08-2070102025004ND
2019-08-2070102025001ND
2019-08-2070102025003ND
2019-08-2070102025002ND
2019-09-0470103640003ND
2019-09-047010364004ND
2019-09-0470103640001ND
2019-09-0470103640002ND
2019-09-0470103640005ND
2019-09-1070104348003ND
2019-09-1070104348004ND
2019-09-1070104348008ND
2019-09-1070104348002ND
2019-09-1070104348007ND
2019-09-1870105411003ND
2019-09-1870105411004ND
2019-10-0970107921002ND
2019-10-0970107921006ND
2019-10-0970107921005ND
2019-10-0970107921004ND
2019-10-1070107921001ND
2019-10-1070108059002-POCSND
2019-10-1070108059007ND
2019-10-2470109627001ND
2019-10-2970110058001ND
2019-11-0770111128003ND
2019-11-1470111841001ND
2019-12-1170114945003ND
2020-01-1470118212002ND
2020-01-1470118212001ND
2020-01-1470118212004ND
2020-01-2270119236002ND
2020-01-2870119803002ND
2020-01-2870119803001ND
2020-01-2870119236001ND
2020-02-0670120955001ND
2020-02-1970122357006ND
2020-03-0570124118006ND
2020-04-0970127648002ND
2020-04-0970127648004ND
2020-04-0970127648001ND
2020-04-1470128016002ND
2020-04-1470128016005ND
2020-04-1470128016003ND
2020-04-1470128016001ND
2020-05-2770132261006ND
2020-06-1170134269007ND
2020-06-2370135692001ND
2020-07-0870137425001ND
2020-07-1370138005001ND
2020-07-1370138005002ND
2020-07-1370139841001ND
2020-07-1470138140004ND
2020-07-1470138140002ND
2020-07-1470138140001ND
2020-07-1470138140003ND
2020-07-1470138140005ND
2020-07-2970140045001ND
2020-07-3170140305001ND
2020-08-0770140637001ND
2020-08-0770140637002ND
2020-08-0770140637003ND
2020-08-1270141583004ND
2020-08-1270141583006ND
2020-09-1570145975001ND
2020-10-1470149553001ND
2020-10-1470149553002ND
2020-10-2170150461003ND
2020-10-2670150979004ND
2020-10-2670150979003ND
2020-10-2670150979002ND
2020-10-2670150979001ND
2020-11-180120104-01ND
2020-12-0970156107003ND
2021-01-1370159307004ND
2021-01-2770160707001ND
2021-01-2770160707002ND
2021-01-2770160707003ND
2021-01-2770160707004ND
2021-02-2270163280004ND
2021-03-0970165109001ND
2021-04-2170170105004ND
2021-04-2170170105003ND
2021-04-2170170105001ND
2021-04-2770170826002ND
2021-04-2770170826001ND
2021-05-0670171927007ND
2021-06-0170175050001ND
2021-06-0270175227001ND
2021-06-0970176276002ND
2021-06-1070176451001ND
2021-07-0870179813008ND
2021-07-1470180450001ND
2021-07-1470180450002ND
2021-07-2870182126004ND
2021-07-2870182126002ND
2021-07-2870182126001ND
2021-08-1070183574005ND
2021-08-1870184473001ND
2021-09-1570187617005ND
2021-09-1670187790001ND
2021-10-0770190348007ND
2021-10-2770192501001ND
2021-11-1770195054005ND
2021-11-1770195054001ND
2021-11-2370195701004ND
2021-11-2370195701001ND
2021-11-2370195701002ND
2021-11-2370195701005ND
2021-12-0870197139003ND
2021-12-1370197653001ND
2022-01-2070201493004ND
2022-01-2070201493005ND
2022-02-1070203791001ND
2022-02-1070203791008ND
2022-03-0870206697002ND
2022-03-0870206697004ND
2022-03-0870206697005ND
2022-03-0870206697003ND
2022-03-1470207332002ND
2022-03-1470207332003ND
2022-03-1670207637001ND
2022-04-1270210662001ND
2022-04-2070211665001ND
2022-04-2170211900001ND
2022-04-2770212523002ND
2022-04-2770212523003ND
2022-04-2770212523001ND
2022-04-2840212781001ND
2022-04-2870212781002ND
2022-05-0570213611001ND
2022-05-0970214000003ND
2022-05-1070214260002ND
2022-05-1970215330001ND
2022-05-2370215669001ND
2022-06-0270216709001ND
2022-06-0870217496001ND
2022-06-0970217797002ND
2022-06-1070217889003ND
2022-06-147028353004ND
2022-06-1570218490002ND
2022-06-2070218851001ND
2022-06-2870219993001ND
2022-07-1270221822003ND
2022-07-2670223520003ND
2022-07-2670223526003ND
2022-07-2770223642001ND
2022-07-2770223642002ND
2022-08-0470224638001ND
2022-08-0470224638002ND
2022-08-0470224638003ND
2022-08-1070225228001ND
2022-08-1570225867003ND
2022-08-1870226522003ND
2022-08-1870226524003ND
2022-09-1470229756006ND
2022-09-1570229610006ND
2022-09-1570229610003ND
2022-09-2070230009001ND
2022-10-0470231902001ND
2022-10-1270233044006ND
2022-10-1270233044003ND
2022-10-1270233044005ND
2022-10-1270233044008ND
2022-10-1270233044007ND
2022-10-1270233044004ND
2022-10-3170235054003ND
2022-11-0170235159003ND
2022-11-0970236152001ND
2022-11-2170237527003ND
2022-12-0970239401002ND
2022-12-2070240623003ND
2022-12-2770241375001ND
2023-01-0470242001001ND
2023-01-0570242222003ND
2023-01-2470244166003ND
2023-02-0170244887005ND
2023-02-0170244887002ND
2023-02-0170244887003ND
2023-02-0170244887004ND
2023-02-1670246633002ND
2023-02-1670246633003ND
2023-02-1770246751001ND
2023-02-2170247062003ND
2023-03-0770248528001ND
2023-03-0770248528003ND
2023-03-0870248725002ND
2023-03-2770250675003ND
2023-03-2770250675001ND
2023-04-1370252724001ND
2023-04-2570254035003ND
2023-04-2570254035001ND
2023-05-0370255041008ND
2023-05-0370255041005ND
2023-05-0370255041006ND
2023-05-0370255041003ND
2023-05-0370255041007ND
2023-05-0370255041004ND
2023-05-1770256677003ND
2023-05-1770256677001ND
2023-06-0870259001003ND
2023-07-1270262967001ND
2023-07-2470264332005ND
2023-07-2470264330001ND
2023-07-2470264332004ND
2023-07-2470264330003ND
2023-08-0170265219002ND
2023-08-0170265219006ND
2023-08-0170265219004ND
2023-08-0170265219003ND
2023-08-0970266344001ND
2023-08-1570267162001ND
2023-08-3170268975002ND
2023-08-3170268975001ND
2023-09-1270270104005ND
2023-09-1270270104004ND
2023-09-1270270104001ND
2023-09-2070271103003ND
2023-09-2070271103001ND
2023-10-1270274008005ND
2023-10-3070275897003ND
2023-10-3070275897001ND
2023-11-1470277696001ND
2023-11-1570277859001ND
2023-11-1570277859003ND
2023-11-2970279064001ND
2023-11-2970279064003ND
2023-12-1470281109001ND
2023-12-1470281109002ND
2023-12-1470281109003ND
2023-12-1470281109007ND
2023-12-1470281109004ND
2023-12-1470281109005ND
2023-12-2070281935004ND
2023-12-2070281935003ND
2023-12-2070281935001ND
2023-12-2870282542001ND