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Testing for Lead in Water

Testing Program for Lead in Water
The Cambridge Water Department tests water samples from every CPS school for the presence of lead on an annual basis.

In 2016, CPS officials decided go above and beyond the minimum requirements of the law to ensure that all drinking water taps test below the “action level” set by the Environmental Protection Agency (EPA) of 15 ppb (15 parts per billion or 15 micrograms per liter or .015 milligrams per liter).

Samples were collected from every tap in CPS (with the exception of the 2 most recently renovated school buildings) in July 2016. Any tap exceeding 10 ppb (10 micrograms per liter or .01 milligrams per liter) was replaced. In some instances, risers feeding multiple taps also needed replacing to fully remediate the problem. In scattered instances, sinks were taken out of service or designated non-potable for hand-washing only.

As of October 2016, all drinking water taps tested at or below 10 ppb. Going forward, the District will continue to conduct sampling and monitoring to ensure that drinking water continues to meet EPA standards in the future.

Key

School Initial Results Actions to Resolve Status
Amigos 3 taps > 15 ppb
4 taps: 10-14ppb
2 taps replaced
1: taken out of service
4: non-potable signage
Resolved
Baldwin 2 taps > 15 ppb
2 taps: 10-14ppb
4 taps replaced Resolved
Cambridgeport 5 taps > 15 ppb
1 taps: 10-14ppb
6 taps & 1 riser replaced Resolved
Fletcher Maynard
1 tap > 15 ppb
4 taps: 10-14ppb
4 taps replaced
1: non-potable signage
Resolved
Graham and Parks
8 taps > 15ppb
1 tap 10-14 ppb
6 taps replaced
3: taken out of service
Resolved
Haggerty
All taps met EPA standards Resolved
Kennedy-Longfellow & CSUS/PAUS
18 taps > 15ppb
11 taps: 10-14ppb
29 taps & 1 riser replaced
1: taken out of service
Resolved
King Open/HSEP (359 Broadway)
11 taps > 15 ppb
1 tap: 10-14ppb
8 fixture Resolved
Morse
1 tap > 15ppb 1 tap replaced Resolved
Peabody/RAUS
All taps met EPA standards Resolved
Tobin/VLUS
10 taps > 15ppb
6 taps > 10ppb
15 taps replaced
1: taken out of service
Resolved




 

Cambridge Water Department Testing Reports
As the table above demonstrates, all taps that initially tested at the "action level" have been remediated, taken out of service, or labeled "non-potable." Listed below are the lab reports from the Cambridge Water Department. Taps that exceeded the action level were re-tested, once action had been taken.

Amigos School

Baldwin School

Cambridgeport School

Fletcher Maynard Academy

Graham & Parks School

Haggerty School

King Open School

Kennedy-Longfellow School

Morse School

Peabody School

Tobin Montessori School




 

More Information
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Detailed Record of Actions 

10 Years of Annual Testing Results
View the Report >>

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