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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Harrison Waterworks - click here to return to the utility page.

According to EWG’s analysis of 2019 lead testing results, this utility detected excessive lead in water served to some customers. 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: 125

Highest level detected in 2019: 389.0 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
2019-10-28Y193130096389.0 ppb
2019-07-01Y191920077190.0 ppb
2019-04-03Y190990011186.0 ppb
2019-04-10Y191060002170.0 ppb
2019-04-02Y190950053125.0 ppb
2019-10-30Y19313003092.7 ppb
2019-04-02Y19095003365.5 ppb
2019-10-29Y19313002956.9 ppb
2019-04-03Y19099000651.8 ppb
2019-04-03Y19095004251.2 ppb
2019-10-29Y19313004146.8 ppb
2019-10-29Y19313000541.9 ppb
2019-04-02Y19095002540.4 ppb
2019-04-02Y19095004736.2 ppb
2019-04-02Y19095003534.8 ppb
2019-04-02Y19095005133.7 ppb
2019-10-31Y19313009227.4 ppb
2019-04-04Y19099000726.4 ppb
2019-04-02Y19095004425.2 ppb
2019-10-29Y19313000325.2 ppb
2019-10-29Y19313000922.3 ppb
2019-10-31Y19313009021.6 ppb
2019-10-29Y19313003420.3 ppb
2019-10-29Y19313000715.0 ppb
2019-10-29Y19313004514.3 ppb
2019-04-02Y19099000514.0 ppb
2019-04-02Y19095004012.9 ppb
2019-04-01Y19095004812.8 ppb
2019-10-30Y19313002512.3 ppb
2019-04-01Y19102000412.1 ppb
2019-10-28Y19313002411.7 ppb
2019-04-01Y19095002811.3 ppb
2019-04-02Y19095005410.6 ppb
2019-04-02Y1909500499.70 ppb
2019-04-03Y1909900109.20 ppb
2019-06-17Y1917600768.40 ppb
2019-10-29Y1931300988.20 ppb
2019-10-28Y1931200087.60 ppb
2019-10-29Y1931200077.50 ppb
2019-10-29Y1931300397.10 ppb
2019-08-06Y1923200936.90 ppb
2019-10-29Y1931300226.10 ppb
2019-07-09Y1919701175.70 ppb
2019-04-02Y1909500565.60 ppb
2019-10-29Y1931300935.50 ppb
2019-04-02Y1909500634.70 ppb
2019-04-02Y1909500574.60 ppb
2019-04-01Y1910200054.50 ppb
2019-10-29Y1931300334.30 ppb
2019-10-28Y1931300103.60 ppb
2019-11-05Y1931300953.60 ppb
2019-10-29Y1931300373.30 ppb
2019-04-02Y1909500263.20 ppb
2019-04-04Y1909900043.20 ppb
2019-10-29Y1931300363.20 ppb
2019-04-02Y1909500623.10 ppb
2019-04-03Y1910200073.00 ppb
2019-10-28Y1931300312.70 ppb
2019-04-02Y1909500522.40 ppb
2019-04-02Y1909500592.40 ppb
2019-04-01Y1909500382.30 ppb
2019-04-03Y1909900092.20 ppb
2019-04-03Y1909500642.20 ppb
2019-04-03Y1909500272.10 ppb
2019-10-29Y1931300972.10 ppb
2019-04-02Y1909500552.00 ppb
2019-04-09Y1910200062.00 ppb
2019-10-29Y1931300282.00 ppb
2019-10-29Y1931300461.80 ppb
2019-11-01Y1931300911.80 ppb
2019-10-29Y1931300171.70 ppb
2019-10-29Y1931300271.60 ppb
2019-10-29Y1931300381.60 ppb
2019-04-02Y1909500301.40 ppb
2019-04-10Y1910200081.40 ppb
2019-04-03Y1909500341.30 ppb
2019-10-29Y1931300261.30 ppb
2019-10-29Y1931300321.30 ppb
2019-04-02Y1909500311.20 ppb
2019-04-03Y1909500501.20 ppb
2019-10-29Y1931300131.20 ppb
2019-10-29Y1931300081.20 ppb
2019-04-02Y1909500391.10 ppb
2019-04-02Y1909500321.10 ppb
2019-04-02Y1909500371.10 ppb
2019-04-03Y1909500431.10 ppb
2019-10-30Y1931300041.10 ppb
2019-10-28Y1931300181.000 ppb
2019-10-29Y1931300231.000 ppb
2019-10-30Y1931300351.000 ppb
2019-04-01Y190950060ND
2019-04-02Y190950045ND
2019-04-02Y190950036ND
2019-04-02Y190950061ND
2019-04-02Y190950065ND
2019-04-02Y190950046ND
2019-04-02Y190950029ND
2019-04-02Y190950058ND
2019-04-03Y190990013ND
2019-04-03Y190950041ND
2019-04-04Y190990015ND
2019-04-04Y190990012ND
2019-04-04Y190990008ND
2019-04-05Y190990014ND
2019-04-08Y191020003ND
2019-07-09Y191970118ND
2019-10-28Y193130040ND
2019-10-29Y193130001ND
2019-10-29Y193130011ND
2019-10-29Y193130014ND
2019-10-29Y193120009ND
2019-10-29Y193130006ND
2019-10-29Y193130019ND
2019-10-29Y193130021ND
2019-10-29Y193130015ND
2019-10-29Y193130047ND
2019-10-29Y193130012ND
2019-10-29Y193130044ND
2019-10-29Y193130002ND
2019-10-29Y193130042ND
2019-10-29Y193130016ND
2019-10-29Y193130043ND
2019-10-30Y193130020ND
2019-11-01Y193130099ND
2019-11-04Y193130094ND
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Read more about lead here.