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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Summerville - 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: 24

Highest level detected in 2019: 16.0 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
2019-09-06AK3006116.0 ppb
2019-08-14AK275719.20 ppb
2019-08-14AK275741.20 ppb
2019-08-14AK275671.10 ppb
2019-09-06AK30062ND
2019-08-13AK27565ND
2019-08-16AK27586ND
2019-08-14AK27585ND
2019-08-14AK27584ND
2019-08-14AK27583ND
2019-08-14AK27582ND
2019-08-14AK27579ND
2019-08-14AK27578ND
2019-08-14AK27577ND
2019-08-14AK27576ND
2019-08-14AK27573ND
2019-08-14AK27572ND
2019-08-14AK27570ND
2019-08-14AK27569ND
2019-08-14AK27568ND
2019-08-14AK27566ND
2019-08-14AK27564ND
2019-08-14AK27563ND
2019-08-13AK27575ND
MORE
LESS

Read more about lead here.