Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Aquarion Water Company of Connecticut - Valley System

NOTE: Aquarion Water Company of Connecticut - Valley System purchases water from Regional Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Regional Water Authority.

Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.

 

54

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND60ND
2020N/A00N/A
2021N/A00N/A
2022ND60ND
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 2 ppb

The legal limit for alachlor, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

NOTE: Aquarion Water Company of Connecticut - Valley System purchases water from Regional Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Regional Water Authority.

Date Lab ID Result
2019-05-08SOC 200531300ND
2019-05-28SOC 200533720ND
2019-05-28SOC 200533719ND
2019-05-28SOC 200533803ND
2019-05-28SOC 200533804ND
2019-05-28SOC 200533660ND
2019-05-28SOC 200533659ND
2019-05-29SOC 200533881ND
2019-05-29SOC 200533880ND
2019-05-29SOC 200533867ND
2019-05-29SOC 200533868ND
2019-08-26SOC 200546197ND
2019-08-26SOC 200546198ND
2019-08-26SOC 200546200ND
2019-08-27SOC 200546267ND
2019-08-27SOC 200546303ND
2019-08-27SOC 200546302ND
2019-08-27SOC 200546268ND
2019-08-28SOC 200546738ND
2019-08-28SOC 200546737ND
2019-08-28SOC 200546736ND
2019-08-28SOC 200546553ND
2022-07-11S300210822 300210824ND
2022-07-11S300210156 300210158ND
2022-07-11S300210164 300210166ND
2022-07-11S300210651 300210653ND
2022-07-11S300210659 300210661ND
2022-07-12S300211086 300211088ND
2022-07-12S300211076 300211078ND
2022-07-12S300211068 300211070ND
2022-07-13S300212413 300212415ND
2022-07-13S300212421 300212423ND
2022-07-14S300212957 300212959ND
2022-10-17S300258850 300258852ND
2022-10-17300258850 300258852BND
2022-10-17300258858 300258860BND
2022-10-17S300258858 300258860ND
2022-10-18S300259358 300259360ND
2022-10-18S300258921 300258923ND
2022-10-18300258921 300258923BND
2022-10-18300259358 300259360BND
2022-10-18S300259350 300259352ND
2022-10-18300259350 300259352BND
2022-10-18300258913 300258915BND
2022-10-18S300258913 300258915ND
2022-10-19S300259930 300259934ND
2022-10-19300259930 300259934BND
2022-10-19300259940 300259942BND
2022-10-19S300259940 300259942ND
2022-10-19S300260499 300260501ND
2022-10-19300260499 300260501BND
2022-10-19300260507 300260509BND
2022-10-19S300260507 300260509ND
2022-12-06S300281400 300281402ND