Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Alachlor (Lasso)

Piqua City PWS

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

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND60ND
2015ND60ND
2016ND60ND
2017ND60ND
2018ND60ND
2019ND60ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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

Date Lab ID Result
2014-02-1314-11820-01ND
2014-04-1014-14403-05ND
2014-05-0814-15634-01ND
2014-06-1214-17638-01ND
2014-08-2214-21448-01ND
2014-11-1314-25695-01ND
2015-02-1215-11804-01ND
2015-04-0915-14500-01ND
2015-05-1415-16312-01ND
2015-06-1115-17938-01ND
2015-08-1315-21681-05ND
2015-11-1215-26787-05ND
2016-02-1116-12136-05ND
2016-04-1416-15398-05ND
2016-05-1216-16947-01ND
2016-06-0916-18567-04ND
2016-08-1116-22960-01BND
2016-11-1016-29197-04ND
2017-02-0917-12378-01BND
2017-04-1317-16494-03ND
2017-05-1117-18330-01BND
2017-06-0817-20217-03BND
2017-08-1017-25272-04ND
2017-11-0917-31837-05ND
2018-02-0818B0433-01ND
2018-04-1018-16565-05ND
2018-05-0818-18574-03ND
2018-06-0518-20805-05ND
2018-07-0518-23687-01ND
2018-10-0918-32175-05ND
2019-02-0519-12397-05ND
2019-04-0919-17052-05ND
2019-05-0719-19128-04ND
2019-06-0419-21266-01CND
2019-07-0219-23983-02ND
2019-10-0819-32667-01ND