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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Canyon Municipal 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: 30

Highest level detected in 2019: 2.6 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
2019-07-17Q19469980142.60 ppb
2019-07-17Q19469980092.20 ppb
2019-07-17Q19469980081.10 ppb
2019-07-17Q1946998018ND
2019-07-24Q1948175007ND
2019-07-17Q1946998020ND
2019-07-17Q1946998006ND
2019-07-17Q1948175006ND
2019-07-17Q1948175005ND
2019-07-17Q1948175004ND
2019-07-17Q1948175003ND
2019-07-17Q1948175002ND
2019-07-18Q1948175001ND
2019-07-24Q1948175008ND
2019-07-24Q1948175009ND
2019-07-24Q1948175010ND
2019-07-16Q1946998019ND
2019-07-17Q1946998017ND
2019-07-17Q1946998016ND
2019-07-17Q1946998015ND
2019-07-17Q1946998001ND
2019-07-17Q1946998002ND
2019-07-17Q1946998003ND
2019-07-17Q1946998004ND
2019-07-17Q1946998005ND
2019-07-17Q1946998007ND
2019-07-17Q1946998010ND
2019-07-17Q1946998011ND
2019-07-17Q1946998012ND
2019-07-17Q1946998013ND
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Read more about lead here.