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EWG's Tap Water Database — 2019 UPDATE

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What About Lead?

Exeter Water Department - click here to return to the utility page.

According to EWG’s analysis of 2017 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 2017: 36

Highest level detected in 2017: 40.0 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, 2017

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

DateLab IDResult
2017-08-08172215.1340.0 ppb
2017-08-08172215.167.00 ppb
2017-08-10172630.087.00 ppb
2017-08-12172630.055.00 ppb
2017-08-09172215.173.00 ppb
2017-08-10172215.142.00 ppb
2017-08-09172215.182.00 ppb
2017-08-09172215.042.00 ppb
2017-08-09172215.032.00 ppb
2017-08-09172215.11.000 ppb
2017-08-08172215.061.000 ppb
2017-08-22172630.121.000 ppb
2017-08-14172630.13ND
2017-08-12172630.11ND
2017-08-14172630.15ND
2017-08-15172630.01ND
2017-08-15172630.02ND
2017-08-15172630.14ND
2017-08-16172630.06ND
2017-08-18172630.18ND
2017-08-22172630.04ND
2017-08-11172630.17ND
2017-08-11172630.07ND
2017-08-11172215.01ND
2017-08-08172215.07ND
2017-08-08172215.08ND
2017-08-08172215.09ND
2017-08-08172215.11ND
2017-08-08172630.09ND
2017-08-09172215.02ND
2017-08-09172215.05ND
2017-08-09172215.15ND
2017-08-09172630.03ND
2017-08-09172630.1ND
2017-08-10172215.12ND
2017-08-22172630.16ND
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Read more about lead here.