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EWG's Tap Water Database — 2021 UPDATE

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What About Lead?

Connecticut Water Company - Northern Region-Western 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: 153

Highest level detected in 2019: 157.0 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
2019-03-21PBCU 200525765157.0 ppb
2019-04-11PB 20052806255.0 ppb
2019-03-19PBCU 20052576632.0 ppb
2019-04-09PB 20052806129.0 ppb
2019-07-31PB 20054254429.0 ppb
2019-04-06PB 20052746028.0 ppb
2019-03-25PB 20052607618.0 ppb
2019-03-22PBCU 20052575514.0 ppb
2019-03-25PB 20052582514.0 ppb
2019-04-03PB 20052720714.0 ppb
2019-08-01PB 20054282214.0 ppb
2019-03-25PB 2005258448.00 ppb
2019-04-08PB 2005274587.00 ppb
2019-04-02PB 2005272166.00 ppb
2019-04-08PB 2005274596.00 ppb
2019-04-19PB 2005291395.00 ppb
2019-08-01PB 2005428355.00 ppb
2019-08-13PB 2005446505.00 ppb
2019-03-19PBCU 2005257614.00 ppb
2019-04-03PB 2005272034.00 ppb
2019-04-04PB 2005272124.00 ppb
2019-04-04PB 2005274704.00 ppb
2019-04-05PB 2005274664.00 ppb
2019-08-02PB 2005428324.00 ppb
2019-08-02PB 2005428404.00 ppb
2019-03-27PB 2005260823.00 ppb
2019-04-12PB 2005284883.00 ppb
2019-07-31PB 2005425413.00 ppb
2019-03-22PBCU 2005257582.00 ppb
2019-03-24PB 2005258402.00 ppb
2019-03-24PB 2005258412.00 ppb
2019-03-25PB 2005258432.00 ppb
2019-03-26PB 2005264902.00 ppb
2019-03-27PB 2005267902.00 ppb
2019-04-16PB 2005286352.00 ppb
2019-07-30PB 2005425372.00 ppb
2019-07-30PB 2005425392.00 ppb
2019-07-31PB 2005425462.00 ppb
2019-07-31PB 2005425352.00 ppb
2019-08-01PB 2005428292.00 ppb
2019-08-02PB 2005428392.00 ppb
2019-08-09PB 2005441362.00 ppb
2019-03-26PB 2005260811.000 ppb
2019-04-06PB 2005276301.000 ppb
2019-04-08PB 2005274681.000 ppb
2019-07-31PB 2005425491.000 ppb
2019-07-31PB 2005425341.000 ppb
2019-07-31PB 2005425361.000 ppb
2019-08-02PB 2005428381.000 ppb
2019-08-06PB 2005437561.000 ppb
2019-08-08PB 2005441391.000 ppb
2019-08-08PB 2005441371.000 ppb
2019-08-12PB 2005446531.000 ppb
2019-08-13PB 2005446591.000 ppb
2019-01-10IOCR 200518412ND
2019-03-19PBCU 200525760ND
2019-03-19PB 200525827ND
2019-03-19PB 200525828ND
2019-03-20PB 200525830ND
2019-03-20PB 200525834ND
2019-03-20PBCU 200525768ND
2019-03-21PBCU 200525757ND
2019-03-21PB 200525835ND
2019-03-21PB 200525836ND
2019-03-21PB 200525829ND
2019-03-21PB 200525832ND
2019-03-21PB 200525833ND
2019-03-22PB 200525831ND
2019-03-22PB 200525837ND
2019-03-22PBCU 200525762ND
2019-03-22PBCU 200525763ND
2019-03-22PBCU 200525764ND
2019-03-22PBCU 200525769ND
2019-03-22PBCU 200525754ND
2019-03-22PBCU 200525756ND
2019-03-24PB 200525842ND
2019-03-24PB 200525826ND
2019-03-25PB 200525824ND
2019-03-26PB 200526080ND
2019-03-27PB 200526494ND
2019-03-27PB 200526496ND
2019-03-27PB 200526077ND
2019-03-27PB 200526078ND
2019-03-27PB 200526079ND
2019-04-02PB 200527209ND
2019-04-02PB 200527214ND
2019-04-03PB 200527211ND
2019-04-04PB 200527205ND
2019-04-06PB 200527472ND
2019-04-10PB 200528064ND
2019-04-11PB 200528065ND
2019-04-16PB 200528636ND
2019-07-30PB 200542530ND
2019-07-30PB 200542532ND
2019-07-30PB 200542533ND
2019-07-30PB 200542548ND
2019-07-31PB 200542545ND
2019-07-31PB 200542547ND
2019-07-31PB 200542538ND
2019-07-31PB 200542540ND
2019-07-31PB 200542542ND
2019-07-31PB 200542543ND
2019-08-01PB 200543764ND
2019-08-01PB 200542827ND
2019-08-01PB 200542828ND
2019-08-02PB 200542830ND
2019-08-02PB 200542831ND
2019-08-02PB 200542834ND
2019-08-02PB 200542836ND
2019-08-02PB 200542837ND
2019-08-02PB 200542841ND
2019-08-02PB 200542842ND
2019-08-02PB 200542843ND
2019-08-02PB 200542844ND
2019-08-02PB 200542845ND
2019-08-02PB 200542825ND
2019-08-02PB 200542826ND
2019-08-02PB 200543763ND
2019-08-02PB 200544135ND
2019-08-02PB 200545430ND
2019-08-06PB 200543758ND
2019-08-06PB 200543755ND
2019-08-07PB 200543757ND
2019-08-07PB 200543754ND
2019-08-07PB 200544138ND
2019-08-08PB 200544639ND
2019-08-08PB 200544141ND
2019-08-09PB 200544142ND
2019-08-09PB 200544629ND
2019-08-09PB 200544140ND
2019-08-09PB 200544134ND
2019-08-09PB 200544631ND
2019-08-10PB 200544649ND
2019-08-12PB 200544651ND
2019-08-12PB 200544655ND
2019-08-12PB 200544656ND
2019-08-12PB 200544641ND
2019-08-12PB 200544642ND
2019-08-12PB 200544643ND
2019-08-12PB 200544644ND
2019-08-12PB 200544660ND
2019-08-13PB 200544654ND
2019-08-13PB 200544630ND
2019-08-13PB 200544628ND
2019-08-13PB 200544657ND
2019-08-13PB 200544658ND
2019-08-13PB 200544652ND
2019-08-14PB 200545164ND
2019-08-14PB 200545167ND
2019-08-14PB 200545429ND
2019-08-15PB 200545168ND
2019-08-15PB 200545165ND
2019-08-15PB 200545166ND
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Read more about lead here.