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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Citizens Water Service, Inc. - 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: 57

Highest level detected in 2019: 7.3 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
2019-08-0720116706021_PBCUA7.30 ppb
2019-08-0720116706021_PBCU7.30 ppb
2019-08-1320117671001_PBCUA1.70 ppb
2019-08-0720116706013_PBCUAND
2019-08-0720116706003_PBCUAND
2019-08-0720116706019_PBCUND
2019-08-0720116706013_PBCUND
2019-08-0720116706020_PBCUND
2019-08-0720116706020_PBCUAND
2019-08-0720116706022_PBCUND
2019-08-0720116706022_PBCUAND
2019-08-0720116706023_PBCUND
2019-08-0720116706023_PBCUAND
2019-08-0720116706024_PBCUND
2019-08-0720116706024_PBCUAND
2019-08-0720116706008_PBCUAND
2019-09-1220121822001ND
2019-08-0720116706018_PBCUND
2019-08-0720116706017_PBCUAND
2019-08-0720116706017_PBCUND
2019-08-0720116706016_PBCUAND
2019-08-0720116706016_PBCUND
2019-08-0720116706015_PBCUAND
2019-08-0720116706015_PBCUND
2019-08-0720116706014_PBCUAND
2019-08-0920116707001_PBCUAND
2019-08-0920116707002_PBCUAND
2019-08-1720118062001_PBCUAND
2019-09-129093246-01ND
2019-03-1419030436-001ND
2019-08-0720116706011_PBCUND
2019-08-0720116706018_PBCUAND
2019-08-0720116706019_PBCUAND
2019-08-0720116706002_PBCUAND
2019-08-0720116706001_PBCUAND
2019-08-0720116706001_PBCUND
2019-08-0720116706003_PBCUND
2019-08-0720116706025_PBCUAND
2019-08-0720116706002_PBCUND
2019-08-0720116706025_PBCUND
2019-08-0720116706007_PBCUAND
2019-08-0720116706012_PBCUAND
2019-08-0720116706012_PBCUND
2019-08-0720116706011_PBCUAND
2019-08-0720116706004_PBCUND
2019-08-0720116706010_PBCUAND
2019-08-0720116706010_PBCUND
2019-08-0720116706009_PBCUAND
2019-08-0720116706009_PBCUND
2019-08-0720116706008_PBCUND
2019-08-0720116706014_PBCUND
2019-08-0720116706007_PBCUND
2019-08-0720116706006_PBCUAND
2019-08-0720116706006_PBCUND
2019-08-0720116706005_PBCUAND
2019-08-0720116706005_PBCUND
2019-08-0720116706004_PBCUAND
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Read more about lead here.