Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Greenwood Acres Water Company

NOTE: Greenwood Acres Water Company purchases water from Des Moines Water Works which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by Des Moines Water Works.

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
2020ND10ND
2021ND20ND
2022ND30ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene 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 hormone disruption.

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

ppb = parts per billion

All test results

NOTE: Greenwood Acres Water Company purchases water from Des Moines Water Works which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by Des Moines Water Works.

Date Lab ID Result
2018-07-09OE680202ND
2018-07-16OE683859ND
2018-10-08OE724008ND
2019-07-09OE831885ND
2019-07-16OE835743ND
2019-08-21OE854920ND
2020-10-12OE1332018ND
2021-07-06OE1748365ND
2021-07-06OE1748381ND
2022-07-05OE2128016ND
2022-07-05OE2128018ND
2022-09-19OE2175664ND
2023-10-16OE2350834ND