If you have lead in your groundwater, flushing will not be effective. However, they can be expensive, their effectiveness varies, and they must be properly maintained. All makes and models of treatment devices must be approved by the Wisconsin Department of Industry, Labor and Human Relations. If a treatment device is installed, set up an effective and practical maintenance and monitoring program to be sure the system is maintained as recommended by the manufacturer. This is the best way to be certain that it is doing the job intended.
Bottled water is also an alternative.
If more than ten percent of the locations exceed the action level the system owner must conduct a public education program and install system-wide treatment to reduce corrosion. DNR well and facility construction rules currently prohibit the use of lead in wells, pumps, and other water system components. Department of Industry, Labor and Human Relations rules currently prohibit the use of lead in solder, fluxes and plumbing system piping. DNR will continue to work with community water systems to reduce the corrosivity of the water through central treatment. Systemwide corrosion control can be designed to either reduce the actual corrosivity of the water, or to coat the piping with an additive which acts as a barrier between the pipe and the water.