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PRIVATE WELL TESTING ACT PROGRAM - page 41 / 75

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Figure 13: Lead in Water Samples

35.00

30.00

25.00

Lead (ug/L)

20.00

15.00

10.00

5.00

0.00

First Draw Kitchen

Flush Kitchen

First Draw Water Tank Sample Tap

Flush Water Tank

sample and a five minute flushed water sample from the kitchen tap. The lead levels in the first draw water tank sample contained the highest levels of lead of all the samples collected. After flushing at the water tank tap for five minutes, lead levels decreased.

The conclusion of the study is that the elevated lead levels observed in the PWTA water samples are due to the fact that sampling was conducted at water tank taps that were

not flushed. consequence

Therefore, it was concluded that the high lead of the plumbing, and not the ground water quality.

concentrations

were

a

It should be reiterated that, regardless of its source, elevated lead levels are a serious health concern. Homeowners with elevated levels of lead, regardless of the source, should take immediate steps to remediate the situation, assuming treatment is not already in place. The PWTA only requires a raw or untreated sample for lead since this is an indication of the ground water quality. A homeowner may want to collect a first draw sample (no flushing) in order to determine if there may be any issues with lead in the home’s plumbing system.

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