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Test Results <br />Our water is monitored for many different kinds of substances on a very strict sampling schedule, and the water we deliver must meet specific <br />health standards. Here, we only show those substances that were detected in our water (a complete list of all our analytical results is avail- <br />able upon request). Remember that detecting a substance does not mean the water is unsafe to drink; our goal is to keep all detects below their <br />respective maximum allowed levels. <br />The state recommends monitoring for certain substances less than once per year because the concentrations of these substances do not change <br />frequently. In these cases, the most recent sample data are included, along with the year in which the sample was taken. <br />SUBSTANCE <br />YEAR <br />* MCL <br />MCLG <br />AMOUNT <br />RANGE <br />(UNIT OF MEASURE) <br />SAMPLED <br />[MRDL1 <br />[MRDLG] <br />DETECTED <br />LOW -HIGH <br />Chlorine (ppm) <br />2023 <br />[4] <br />[4] <br />0.72 <br />0.64-0.81 <br />Fluoride (ppm) <br />2023 <br />4 <br />/ <br />0.68 <br />0.62-0.76 <br />Gross Alpha Particle Activity (pCi/L) <br />2020 <br />15.4 <br />0 <br />3.6 <br />ND-3.6 <br />Haloacetic Acids [HAAs]—Stage 1 (ppb) <br />2023 <br />60 <br />NA <br />5.70 <br />ND-5.70 <br />Nitrate (ppm) <br />2023 <br />10 <br />10 <br />1.70 <br />ND-1.70 <br />TTHMs [total trihalomethanes]—Stage 1 <br />2023 <br />80 <br />NA <br />8.40 <br />3.90-8.40 <br />(ppb) <br />Xylenes (ppm) <br />2023 <br />10 <br />10 <br />ND <br />NA <br />Tap water samples were collected for lead and copper analyses from sample sites throughout the community <br />VIOLATION <br />TYPICAL SOURCE <br />No <br />Water additive used to control microbes <br />No <br />Erosion of natural deposits; water additive <br />which promotes strong teeth; discharge from <br />fertilizer and aluminum factories <br />No <br />Erosion of natural deposits <br />No <br />By-product of drinking water disinfection <br />No <br />Runoff from fertilizer use; leaching from septic <br />tanks, sewage; erosion of natural deposits <br />No <br />By-product of drinking water disinfection <br />No Discharge from petroleum factories; discharge <br />from chemical factories <br />AMOUNT <br />DETECTED <br />SITES ABOVE <br />SUBSTANCE <br />YEAR <br />(90TH <br />AL/TOTAL <br />17 <br />(UNIT OF MEASURE) <br />SAMPLED <br />AL MCLG %ILE) <br />SITES VIOLATION <br />TYPICAL SOURCE <br />Copper (ppm) <br />2022 <br />1.3 1.3 1 0.23 <br />1 1130 No <br />Corrosion of household plumbing systems; erosion of natural deposits <br />Lead (ppb) <br />2022 <br />15 0 1.37 <br />I 0/30 No <br />Lead service lines; corrosion of household plumbing systems, including <br />fittings and fixtures; erosion of natural deposits <br />SUBSTANCE YEAR AMOUNT RANGE <br />(UNIT OF MEASURE) SAMPLED DETECTED LOW -HIGH TYPICAL SOURCE <br />Sodium (ppm) i 2023 i 4.29 2.83-4.29 I Naturally occurring; In -home water softening <br />Sulfate (ppm) 2023 16.50 2.67-16.50 I NA <br />0 <br />0 <br />184 <br />