Contaminant Info

North Perry Water District tests its water for the following chemicals and contaminants, as outlined in the Consumer Confidence Report.

•Chlorine Residual means the concentration of chlorine present in water after the chlorinedemand in the source has been satisfied.

•Total Coliform/E. coli are microorganisms naturally present in the environment; as well as feces;fecal coliforms and E. coli only come from human and animal fecal waste. Not a health threat initself; it is used to indicate whether other potentially harmful bacteria may be present.

•Arsenic is an inorganic chemical that comes from erosion of natural deposits; runoff fromorchards, runoff from glass and electronics production wastes.

•Disinfection By-Products (Haloacetic acids [HAA5] Total Trihalomethanes [TTHMs]) arecontaminants formed by the reaction of disinfection chemicals (such as chlorine) with othersubstances in the water being disinfected.

•Inorganic Materials are materials such as sand, salt, iron, calcium salts, metals and othermineral materials.

•Lead and Copper are inorganic chemicals that enter water primarily through corrosion ofhousehold plumbing systems and erosion of natural deposits.

•Manganese is a secondary contaminant; a mineral similar to iron and found in the Earth’s crust.

•Nitrates are inorganic chemicals that come from runoff from fertilizer use; leaking from septictanks or sewage; and erosion of natural deposits.

•Radionuclides are radioactive elements which can be artificial or naturally occurring.Radionuclides have long life as soil or water pollutants.

•Synthetic Organic Chemicals (SOCs) are man-made organic chemicals. Some SOCs are volatile;others tend to stay dissolved in water instead of evaporating.

•Volatile Organic Compounds (VOCs) are organic chemical compounds whose compositionmakes it possible for them to evaporate under normal indoor atmospheric conditions oftemperature and pressure.