The one thing private well owners should do

By Mike Ekberg, manager of water resources monitoring and analysis

If you own a private well, do you have it tested at least annually? You should. Your family’s health depends on it.

Just because your water tastes good doesn’t mean it is good. If you want to be sure your drinking water is safe, you need to have it tested.

Test at least annually
The National Ground Water Association (NGWA) recommends well owners test their water at least annually for bacteria, nitrates, and contaminants specific to your area. Consider more frequent testing if:

• There is a change in taste, odor, or appearance of well water.
• The well has a history of contamination.
• The well is near a septic system.
• There have been recurring incidents of gastrointestinal illness.
• An infant is living in the home.
• Home water treatment equipment has been installed.

In our area, I recommend the following tests:

Total Coliform – Coliform bacteria is an indication of potential disease-causing bacteria or viruses in well water. Not all coliform bacteria is harmful, but the presence of coliform bacteria in well water may be an indication that water from the land surface is directly entering the well. Coliform bacteria may also indicate the presence of contamination from human or animal waste.
E. coli – E. coli bacteria is a specific indication of contamination from human or animal waste in the well. Its presence is a warning that disease-causing bacteria or viruses may be present in the well water.

Nitrate – Nitrate gets into drinking water from fertilizers, manure, and septic systems. It also occurs naturally. High nitrate levels present a health concern for infants if water is given to babies under 12 months old––mixed with formula or otherwise. Boiling water before feeding doesn’t reduce nitrate levels.. High nitrate levels can also suggest other toxins such as bacteria and pesticides.

Arsenic – Arsenic is naturally occurring in groundwater. It’s linked to various cancers and other health issues.

Manganese – Manganese also occurs in nature and can be present in groundwater. At high enough levels, it may cause brain damage.

Lead – Lead typically gets into drinking water from corroded pipes and plumbing fixtures. If your home was built prior to 1986, it’s more likely to have lead pipes, fixtures, and solder.

To help you get started, MCD partners with various counties and soil and water conservation districts to offer free, confidential well water sampling for nitrate, nitrite, and iron through Test Your Well events.

Test Your Well events are scheduled throughout the year in various counties. The next Test Your Well event will be held on Monday, Mach 10, from 6 to 8 p.m. at the Collinsville Community Center for Butler and Preble county residents.

Find a testing lab and view more resources

For more information about Test Your Well, visit our website or contact me at (937) 223-1278 ext. 3237.

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