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1. What is the pH of City of Aurora tap water?

The pH of City of Aurora tap water on average is 9.1 with an average range of 8.9 to 9.2.

2. Does the City of Aurora fluoridate the drinking water?

Yes, the City of Aurora has fluoridated water.

3. What is the level of fluoride in Aurora's drinking water?

The fluoride concentration in Aurora's drinking water is approximately 0.7 milligrams per liter (mg/L) parts per million (ppm) as regulated by the Illinois Department of Public Health.

4. Where can I find information about lead in drinking water?

For information, please view the City of Aurora's page on lead in drinking water.

5. I have a softener that is programmable. What is the hardness of Aurora's tap water?

The hardness of the City of Aurora's tap water is 7 to 8 grains per gallon (120 mg/L - 137 mg/L).

6. Do I need a water softener in Aurora?

In general, a water softener is not needed to further soften Aurora's tap water, however this is an individual decision. A water softener can further reduce the formation of scale (calcium and magnesium deposits) in your hot water system and make washing easier. Aurora's tap water is comparable in hardness to Lake Michigan water.

Read more information on softeners and soft water.

7. What is the raw water source for the City of Aurora?

Sources of water include surface water from the Fox River and water pumped from both deep and shallow wells. The blend is typically about 60% surface water and 40% well water, but that may vary.

8. How can I obtain the Consumer Confidence Report (Annual Water Quality Report)?

A copy of the Consumer Confidence Report (CCR) can be obtained by calling the Water Production Division at (630) 256-3250. The CCR can also be downloaded and/or viewed online.

9. Is our water safe to drink?

The United States Environmental Protection Agency has promulgated the National Primary Drinking Water Standards, which establish maximum contaminant levels for various contaminants in public water supplies. These standards, in essence, determine what constitutes “safe” drinking water. For the last 12 years, the COA has been in full compliance with these standards.