Dept of Health & Human Services (DHHS)

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Water Quality

Fresh water is an increasingly precious resource around the world. In Wisconsin, about 66% of the population drinks water drawn from over 750,000 private wells. Wells are safe, dependable sources of water if sited wisely, built correctly and maintained.

EPA regulations that protect public drinking water systems do not apply to privately owned wells. As a result, owners of private wells are responsible for ensuring that their water is safe from contaminants. Regular maintenance of your well is required to ensure the continued safety of your water and to monitor for the presence of any contaminants.

Well Tests for Homeowners  (WI DNR)

Walworth County Well Water Testing Services

The Walworth County Division of Public Health conducts programs that protect ground water for drinking and other uses. We offer lab services for private well owners to test their water for nitrates, bacteria, arsenic, and lead.  Water specialists distribute well water information, provide testing bottles and explain test results to well owners.

The water lab will be closed on the following days:

May 28, 2018

July 4, 2018

September 3, 2018

November 22, 2018 through November 24, 2018

December 24, 2018 through January 2, 2019

Obtaining a Water Test Kit

The Water Laboratory may only accept water samples in approved sample containers. Homeowners may obtain an approved container by visiting the Public Health reception desk Monday – Friday from 8:00am – 4:30pm.

Water Sample Collection

Homeowners are responsible for collecting their own water samples and for returning the samples to the laboratory. Samples may be collected from any faucet supplied with cold water.

Returning a Water Sample

Samples are accepted at the Public Health Reception Desk:

·         Monday and Wednesday 8:00am – 4:00pm

·         Tuesday 8:00am – 5:30pm

·         Wednesday 8:00am – 4:00pm

·         Thursday 7:00am – 12:00pm  (starting April 5, 2018)

·         Every 3rd Friday of the month from 8:00am – 3:00pm

Sample Rejection Criteria

Water samples may be rejected if:

·         Samples cannot be analyzed within 30 hours of collection for bacteria or 48 hours for nitrate.

·         Samples are in an unapproved, notably dirty, or damaged container.

·         Samples have been frozen.

·         Samples do not contain the required amount of water.

·         Nitrate samples are not received on ice.

Fees

The following County Board approved fees are effective January 1, 2018:

·         Drinking Water Test (single bacteria or nitrate): $25.00 each

·         Drinking Water Test (two or more at one time): $20.00 each

·         Drinking Water Test (arsenic or lead): $20.00 each

·         Bacteria only, Recreational Water: $30.00

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