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July 20, 2019 | 2:21am
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Review of the 2017 Water Quality Report

The City of Ferndale recently published their annual water quality report (PDF) detailing results of drinking water sample analyses during 2017. Results for some substances are from multiple samples over the past year while others are based on a single annual sample.

According to the city website,

All water purveyors are required to publish an annual Consumer Confidence Report which outlines important information about the drinking water they provide to their customers.

Contained in the recently released 2017 report is a table detailing the presence of various substances in the samples. The City reports being in compliance with Food and Drug Administration as the presence of the following substances are within their establish limits.

Substance Amount/Range
Detected
Maximum
Level
Arsenic 0.002 ppm 0.01 ppm
Barium 0.041 ppm 2 ppm
Chlorine Not Reported 4 ppm
Copper (measured at the treatment plant) 0.035 ppm 1.3 ppm
Lead 0 to 0.003 ppm 0.015 ppm
Total Coliform 0 positive samples of 180 1 positive sample
Nitrate 0 positive of 1 sample 10 ppm
Haloacetic Acids 5.8 to 7.4 ppb (avg 6.6) 60 ppb
Total Trihalomethanes 32.1 to 48.7 ppb (avg 40.4) 80 ppb
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The following table provides comparison between 2017 data and data from 2014, 2015 and 2016 Water Quality Reports.

Substance 2014 Amt/Range Detected 2015 Amt/Range Detected 2016 Amt/Range Detected 2017 Amt/Range Detected
Arsenic not reported 0.002 ppm 0.002 ppm 0.002 ppm
Barium not reported 0.039 ppm 0.041 ppm 0.041 ppm
Chlorine 0.4 to 1.0 ppm 0.6 to 0.8 ppm 0.5 to 0.9 ppm not reported
Copper (measured in the distribution system) 0 to 0.194 ppm 0 to 0.134 ppm 0 to 0.134 ppm 0 to 0.134 ppm
Lead 0 to 0.016 ppm 0 to 0.003 ppm 0 to 0.003 ppm 0 to 0.003 ppm
Total Coliform 0 positive samples of 132 0 positive samples of 132 1 positive sample of 176 0 positive samples of 180
Nitrate 0 positive of 1 sample 0 positive of 1 sample 0 positive of 1 sample 0 positive of 1 sample
Haloacetic Acids 4.9 to 12.1 ppb 2.1 to 7.9 ppb 2.4 to 5.6 ppb 5.8 to 7.4 ppb
Total Trihalomethanes 39.5 to 77.0 ppb 11.3 to 44.8 ppb 9.2 to 39.6 ppb 32.1 to 48.7 ppb
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