Water Quality Report Year 2015

Water is the most abundant compound on Earth’s surface. Water covers 70% of Earth’s surface but only 2.5% is fresh water and 30% of that water is ground water. Water is the only compound found naturally in all common states of matter and it is essential for life.

This annual report presents a summary of analytical testing results from samples of your area’s water supply and compares your tap water to federal and state standards. All of Fox Island Mutual Water comes from underground aquifers. This means that the water you consume is pumped from a series of wells to your home or business through our system of reservoirs and mains. We regularly draw water from nine wells. The depth of these wells varies from 88’ to 850’.

Again we are pleased to report that your water meets or exceeds all health-related standards for quality and safety. We do however have some elevated iron (MCL of 0.3 mg/l). Iron in our water ranges from <0.03 to 0.46 mg/l. Manganese (MCL of 0.05) ranges from < 0.01 to 0.06 mg/l. This raw water is either mixed with other sources or treated to reduce the iron and manganese level. Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants. The presence of contaminants does not necessarily indicate that water poses a health risk.

The Federal Safe Drinking Water Act (SDWA) divides drinking water Inorganic Contaminants into two categories: Primary standards (Table 1) relate to constituents that affect public health. Secondary standards relate to constituents that effect esthetic qualities such as appearance, taste, odor, and color. The following is the highest primary level of each chemical from all nine wells. As you examine Table 1, notice that organic chemical levels are expressed in mg/1 (milligrams per liter) of water (0.1mg/l = 1part per 100 million) (0.001mg/l = 1 part per billion). To illustrate how small a milligram is; one milligram per liter is equal to a single penny to $10,000.

Effective January 2006 water systems of our size were required to reduce the level of arsenic from 50 parts per billion (ppb) to 10 ppb. Recent testing of all our sources shows your drinking water meets the new standard for arsenic. However it does contain a low level of arsenic, which is a mineral known to cause cancer in humans at high concentrations and is linked to other health effects such as skin damage and circulatory problems.

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Water quality is within state set maximum contaminant levels for primary inorganic chemicals, and no volatile organic chemicals have been detected in our water supply. Bacteria testing is done monthly, and we have never had e-coli detected in our water supply.

 
 
 
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