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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Hanover Suburban Water System - click here to return to the utility page.

According to EWG’s analysis of 2019 lead testing results, this utility complied with federal water quality regulations for lead. Under the federal Lead and Copper Rule, lead concentrations must be below 15 parts per billion (ppb) in 90 percent of households sampled. If this legal limit is exceeded, the water utility must apply measures to control lead leaching from water pipes.

Number of lead samples taken in 2019: 31

Highest level detected in 2019: 2.0 ppb

Levels of lead detected


Complying with the EPA's lead rules doesn't mean that the water is safe for children to drink. The EPA’s recent modeling suggests that lead concentrations in the 3.8 to 15 ppb range can put a formula-fed baby at risk of elevated blood lead levels. In 2009, the California Office of Environmental Health Hazard Assessment set a public health goal level of 0.2 ppb for lead in drinking water to protect against even subtle IQ loss in children.

Lead Results, 2019

Samples in red indicate that the sample is above the EPA action level.

DateLab IDResult
2019-06-0519-102312.00 ppb
2019-06-0519-102301.000 ppb
2019-06-0519-10254ND
2019-06-0519-10244ND
2019-06-0519-10246ND
2019-06-0519-10247ND
2019-06-0519-10248ND
2019-06-0519-10250ND
2019-06-0519-10251ND
2019-06-0519-10252ND
2019-06-0519-10253ND
2019-06-0519-10242ND
2019-06-0519-10255ND
2019-06-0619-10249ND
2019-06-0619-10256ND
2019-06-0719-10470ND
2019-06-1119-10471ND
2019-06-0519-10243ND
2019-03-20E181203719ND
2019-06-0519-10241ND
2019-06-0519-10240ND
2019-06-0519-10239ND
2019-06-0519-10238ND
2019-06-0519-10237ND
2019-06-0519-10236ND
2019-06-0519-10235ND
2019-06-0519-10234ND
2019-06-0519-10233ND
2019-06-0419-10245ND
2019-06-0419-10232ND
2019-06-0419-10229ND
MORE
LESS

Read more about lead here.