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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Cincinnati Public 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: 280

Highest level detected in 2019: 62.1 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
2019-01-17AC3091362.1 ppb
2019-09-24AC4155250.2 ppb
2019-08-28AC4013434.7 ppb
2019-05-28AC3559933.4 ppb
2019-06-18AC3704729.3 ppb
2019-08-07AC3991923.4 ppb
2019-07-03AC3794423.1 ppb
2019-08-26AC4044421.9 ppb
2019-08-03AC3918217.4 ppb
2019-07-04AC3794717.2 ppb
2019-06-18AC3718117.1 ppb
2019-01-18AC3090116.5 ppb
2019-09-07AC3972715.7 ppb
2019-05-06AC3540115.5 ppb
2019-09-09AB8788315.5 ppb
2019-07-08AC3742813.2 ppb
2019-09-08AC4092413.2 ppb
2019-08-08AC3972412.6 ppb
2019-09-07AC4092912.2 ppb
2019-04-11AC3496911.3 ppb
2019-03-25AC3353811.2 ppb
2019-03-03AC2831610.7 ppb
2019-02-04AC3090310.4 ppb
2019-08-03AC3796610.4 ppb
2019-09-03AC2704410.3 ppb
2019-03-23AC336109.51 ppb
2019-03-03AC332588.72 ppb
2019-07-15AC382888.22 ppb
2019-09-22AC414778.19 ppb
2019-01-16AC309007.57 ppb
2019-07-09AC379677.44 ppb
2019-09-11AC412396.80 ppb
2019-07-03AC379436.38 ppb
2019-07-08AC379626.06 ppb
2019-07-22AC379635.99 ppb
2019-06-24AC371795.78 ppb
2019-09-18AC414515.54 ppb
2019-07-03AC379505.52 ppb
2019-07-09AC380315.50 ppb
2019-07-03AC379405.47 ppb
2019-01-18AC309205.29 ppb
2019-05-04AC358175.28 ppb
2019-03-26AC337114.97 ppb
2019-07-02AC379514.66 ppb
2019-07-05AC379494.66 ppb
2019-07-09AC379454.56 ppb
2019-01-18AC309154.50 ppb
2019-02-04AC322814.45 ppb
2019-09-19AC414784.08 ppb
2019-02-13AC309604.06 ppb
2019-02-09AC309024.00 ppb
2019-10-01AC417883.92 ppb
2019-01-17AC309073.68 ppb
2019-03-26AC334433.64 ppb
2019-01-18AC309253.62 ppb
2019-07-17AC392693.58 ppb
2019-01-28AC309223.55 ppb
2019-01-17AC309143.37 ppb
2019-08-07AC379743.30 ppb
2019-07-08AC379463.08 ppb
2019-09-23AC379262.98 ppb
2019-04-30AC351602.96 ppb
2019-06-23AC370782.64 ppb
2019-01-24AC309182.58 ppb
2019-07-03AC379422.58 ppb
2019-02-23AC323842.50 ppb
2019-05-15AC362852.46 ppb
2019-07-03AC378972.45 ppb
2019-09-04AB809912.45 ppb
2019-06-03AC338882.35 ppb
2019-06-19AC373562.29 ppb
2019-08-08AC397252.18 ppb
2019-02-20AC309431.98 ppb
2019-04-23AC344481.98 ppb
2019-08-02AC379111.93 ppb
2019-07-01AC389001.87 ppb
2019-01-17AC310261.69 ppb
2019-06-14AC371151.66 ppb
2019-01-16AC309231.65 ppb
2019-01-21AC309631.64 ppb
2019-01-15AC314441.58 ppb
2019-01-23AC308661.55 ppb
2019-02-24AC321891.53 ppb
2019-09-26AC393681.52 ppb
2019-06-03AC366421.47 ppb
2019-02-27AC325201.46 ppb
2019-04-24AC349061.44 ppb
2019-01-23AC309061.38 ppb
2019-05-04AC358251.34 ppb
2019-01-07AC300901.28 ppb
2019-07-11AC379571.27 ppb
2019-01-26AC309081.22 ppb
2019-01-21AC308881.21 ppb
2019-07-03AC378861.18 ppb
2019-03-06AC327001.15 ppb
2019-01-24AC309611.09 ppb
2019-01-19AC308901.08 ppb
2019-01-22AC309171.05 ppb
2019-01-27AC308641.04 ppb
2019-07-05AC378821.04 ppb
2019-07-22AC386831.04 ppb
2019-01-08AC308991.02 ppb
2019-07-25AC379221.000 ppb
2019-01-07AC28698ND
2019-01-07AC28699ND
2019-01-07AC30075ND
2019-01-09AC30307ND
2019-01-14AC30074ND
2019-01-14AC30826ND
2019-01-16AC30916ND
2019-01-17AC30896ND
2019-01-17AC30958ND
2019-01-17AC30966ND
2019-01-18AC30858ND
2019-01-18AC30873ND
2019-01-18AC30874ND
2019-01-18AC30887ND
2019-01-18AC30892ND
2019-01-18AC30911ND
2019-01-18AC30924ND
2019-01-18AC30930ND
2019-01-18AC30936ND
2019-01-18AC31159ND
2019-01-19AC30861ND
2019-01-19AC30862ND
2019-01-19AC30880ND
2019-01-19AC30884ND
2019-01-19AC30909ND
2019-01-20AC30857ND
2019-01-20AC30868ND
2019-01-20AC30875ND
2019-01-20AC30898ND
2019-01-20AC30933ND
2019-01-21AC30882ND
2019-01-21AC30886ND
2019-01-21AC30891ND
2019-01-21AC30910ND
2019-01-21AC30941ND
2019-01-21AC31158ND
2019-01-22AC30856ND
2019-01-22AC30860ND
2019-01-22AC30872ND
2019-01-22AC30893ND
2019-01-22AC30894ND
2019-01-22AC30897ND
2019-01-22AC30904ND
2019-01-22AC30905ND
2019-01-23AC30867ND
2019-01-23AC30870ND
2019-01-23AC30881ND
2019-01-23AC30912ND
2019-01-23AC31247ND
2019-01-24AC30876ND
2019-01-24AC30877ND
2019-01-24AC30919ND
2019-01-24AC30934ND
2019-01-25AC23615ND
2019-01-25AC30865ND
2019-01-25AC30885ND
2019-01-25AC30937ND
2019-01-25AC30949ND
2019-01-27AC30879ND
2019-01-28AC30863ND
2019-01-28AC30946ND
2019-01-29AC30940ND
2019-01-31AC30951ND
2019-01-31AC30959ND
2019-02-01AC32047ND
2019-02-06AC32247ND
2019-02-08AC30928ND
2019-02-08AC32280ND
2019-02-09AC30935ND
2019-02-15AC31965ND
2019-02-15AC31966ND
2019-02-16AC32305ND
2019-02-19AC32518ND
2019-02-20AC30955ND
2019-02-22AC30869ND
2019-03-12AC32382ND
2019-03-15AC33343ND
2019-03-18AC27050ND
2019-03-19AC33887ND
2019-03-20AC30883ND
2019-03-20AC33886ND
2019-03-21AC33365ND
2019-03-26AC34387ND
2019-03-27AC34386ND
2019-03-28AC34031ND
2019-04-05AC34384ND
2019-04-10AC34447ND
2019-04-19AC34556ND
2019-05-01AC36036ND
2019-05-15AC36283ND
2019-05-15AC36287ND
2019-05-16AC36248ND
2019-06-12AC37037ND
2019-06-12AC37177ND
2019-06-13AC37051ND
2019-06-15AC37185ND
2019-06-17AC37182ND
2019-06-17AC37183ND
2019-06-21AC37424ND
2019-06-24AC37467ND
2019-06-24AC37468ND
2019-06-25AC37588ND
2019-06-25AC37674ND
2019-07-02AC37874ND
2019-07-03AC37870ND
2019-07-03AC37875ND
2019-07-03AC37876ND
2019-07-03AC37877ND
2019-07-03AC37879ND
2019-07-03AC37884ND
2019-07-03AC37892ND
2019-07-03AC37909ND
2019-07-03AC37929ND
2019-07-03AC37933ND
2019-07-03AC37956ND
2019-07-03AC38036ND
2019-07-04AC37889ND
2019-07-04AC37891ND
2019-07-04AC37895ND
2019-07-04AC37899ND
2019-07-04AC37902ND
2019-07-05AC37872ND
2019-07-05AC37883ND
2019-07-05AC37885ND
2019-07-05AC37888ND
2019-07-05AC37912ND
2019-07-05AC38035ND
2019-07-06AC37880ND
2019-07-06AC37961ND
2019-07-07AC37890ND
2019-07-07AC37896ND
2019-07-07AC37901ND
2019-07-07AC37921ND
2019-07-08AC37878ND
2019-07-08AC37893ND
2019-07-08AC37894ND
2019-07-08AC37898ND
2019-07-08AC37907ND
2019-07-08AC37917ND
2019-07-08AC37948ND
2019-07-08AC37954ND
2019-07-08AC37958ND
2019-07-09AC37881ND
2019-07-09AC37910ND
2019-07-09AC37913ND
2019-07-09AC37959ND
2019-07-10AC37887ND
2019-07-10AC37906ND
2019-07-11AC37900ND
2019-07-11AC37955ND
2019-07-14AC37919ND
2019-07-18AC37939ND
2019-07-18AC38021ND
2019-07-18AC38558ND
2019-07-21AC37964ND
2019-07-22AC37903ND
2019-07-22AC37941ND
2019-07-22AC37972ND
2019-07-23AC37978ND
2019-07-26AC37952ND
2019-08-01AC37905ND
2019-08-06AC37915ND
2019-08-07AC40299ND
2019-08-08AC39726ND
2019-08-14AC37871ND
2019-08-15AC40129ND
2019-08-19AC37914ND
2019-08-23AC40926ND
2019-08-24AC40520ND
2019-08-26AC40465ND
2019-08-27AC41238ND
2019-08-29AC40691ND
2019-09-09AC40928ND
2019-09-16AC37869ND
2019-09-24AC37937ND
2019-09-24AC41639ND
2019-10-06AC41762ND
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Read more about lead here.