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EWG's Tap Water Database — 2019 UPDATE

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What About Lead?

St. Louis City - 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: 61

Highest level detected in 2017: 6.5 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
2017-08-1114LCR20176.54 ppb
2017-08-1686LCR20173.00 ppb
2017-08-25105LCR20172.44 ppb
2017-08-28196LCR20171.12 ppb
2017-08-17150LCR20171.08 ppb
2017-08-18151LCR20171.02 ppb
2017-08-22157LCR20170.987 ppb
2017-08-1748LCR20170.858 ppb
2017-08-22197LCR20170.770 ppb
2017-08-2278LCR20170.723 ppb
2017-08-17172LCR20170.699 ppb
2017-08-29168LCR20170.639 ppb
2017-08-18182LCR20170.613 ppb
2017-08-15190LCR20170.592 ppb
2017-08-19152LCR20170.532 ppb
2017-08-15112LCR20170.501 ppb
2017-08-22164LCR2017ND
2017-08-22159LCR2017ND
2017-08-22175LCR2017ND
2017-08-2242LCR2017ND
2017-09-06169LCR2017ND
2017-08-23141LCR2017ND
2017-08-3138LCR2017ND
2017-08-29186LCR2017ND
2017-08-2951LCR2017ND
2017-08-28192LCR2017ND
2017-08-27199LCR2017ND
2017-08-27195LCR2017ND
2017-08-27173LCR2017ND
2017-08-25184LCR2017ND
2017-08-25156LCR2017ND
2017-08-24194LCR2017ND
2017-08-23135LCR2017ND
2017-08-2353LCR2017ND
2017-08-21166LCR2017ND
2017-08-21104LCR2017ND
2017-08-2126LCR2017ND
2017-08-16177LCR2017ND
2017-08-16HBBC081617IOCND
2017-08-16CRCW081617IOCND
2017-08-15191LCR2017ND
2017-08-15189LCR2017ND
2017-08-15170LCR2017ND
2017-08-1513LCR2017ND
2017-08-15183LCR2017ND
2017-08-15193LCR2017ND
2017-08-14180LCR2017ND
2017-08-16165LCR2017ND
2017-08-16185LCR2017ND
2017-08-16134LCR2017ND
2017-08-21200LCR2017ND
2017-08-21198LCR2017ND
2017-08-1811LCR2017ND
2017-08-1816LCR2017ND
2017-08-18178LCR2017ND
2017-08-18174LCR2017ND
2017-08-18188LCR2017ND
2017-08-1760LCR2017ND
2017-08-17136LCR2017ND
2017-08-1657LCR2017ND
2017-08-1005LCR2017ND
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Read more about lead here.