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Posted on: July 16, 2020

Town of Cave Creek Lead & Copper Sampling

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TOWN OF CAVE CREEK UTILITIES DEPARTMENT

Public Notice

Date: July 16, 2020



Town of Cave Creek Lead & Copper Sampling

This notice is to inform you that the Town of Cave Creek is currently testing your residence for Lead and Copper. Please read the following and contact Madison Edens at the Town Utility Department for additional information and any questions you may have. We routinely monitor our water system for the presence of drinking water contaminants. This is not an emergency, and these samples are being collected to determine the lead and copper levels in your tap water. This sampling effort is required by the U.S. Environmental Protection Agency and the State of Arizona under the Lead and Copper Rule, and is being accomplished through a collaboration between the public water system and their consumers.

We routinely monitor our water system for the presence of drinking water contaminants. This is not an emergency, and these samples are being collected to determine the lead and copper levels in your tap water. This sampling effort is required by the U.S. Environmental Protection Agency and the State of Arizona under the Lead and Copper Rule, and is being accomplished through a collaboration between the public water system and their consumers.

What does this mean?

Lead and copper enter drinking water primarily through plumbing materials in your home. Exposure to lead and copper may cause health problems. In 1991, EPA published a regulation to control lead and copper in drinking water.

What is being done?

We are working with Arizona Department of Environmental Quality and Residents to evaluate and monitor your drinking water supply.

How Can I Help?

Testing will begin July 16, and samples are due September 30, 2020, if you are interested in sampling your drinking water supply please contact Madison Edens at 480-488-6619 with the Town’s Engineering / Utility Department, or stop by Town Hall for a water sampling bottle and form.

General Information about Lead in Drinking Water


How Lead Gets into Drinking Water?

Lead can enter drinking water when service pipes that contain lead corrode, especially where the water has high acidity or low mineral content that corrodes pipes and fixtures. The most common problem is with brass or chrome-plated brass faucets and fixtures with lead solder, from which significant amounts of lead can enter into the water, especially hot water.

Homes built before 1986 are more likely to have lead pipes, fixtures and solder. The Safe Drinking Water Act (SDWA) has reduced the maximum allowable lead content -- that is, content that is considered "lead-free" -- to be a weighted average of 0.25 percent calculated across the wetted surfaces of pipes, pipe fittings, plumbing fittings, and fixtures and 0.2 percent for solder and flux.

Corrosion is a dissolving or wearing away of metal caused by a chemical reaction between water and your plumbing. A number of factors are involved in the extent to which lead enters the water, including:

  • the chemistry of the water (acidity and alkalinity) and the types and amounts of minerals in the water,

  • the amount of lead it comes into contact with,

  • the temperature of the water,

  • the amount of wear in the pipes,

  • how long the water stays in pipes, and

  • the presence of protective scales or coatings inside the plumbing materials.

Lead and Copper Sampling Sites include:

1. Single-family structures that:
     a. Contain Copper pipes with lead. solder installed after 1982 (or from 1983 to 1988) or contain lead pipes; and/or
     b. Are served by a lead service line (collect 50% of samples from LSLs).

2. Multiple-family structures that:
    a. Contain copper pipes with lead solder installed after 1982 (or from 1983 to 1988) or contain lead pipes; and/or
    b. Are served by a lead service line.

3. Single-family structures that contain copper pipes with lead solder installed before 1983 (or from 1982 and later).






More information about lead and copper sampling
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