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Water Quality Report

Denver, IL

2,633 residents · 8 water systems

0

Contaminants detected

0

PFAS compounds

1137

Hardness (mg/L)

1

Above legal limits

2

Above health guidelines

Denver drinking water comes from a mix of groundwater and surface water sources. Based on the most recent monitoring data, 0 contaminants have been detected in the water supply. Water hardness is 1137 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Limited monitoring data available

The water systems serving Denver are small private systems (population served: 2,633) and are not part of Illinois EPA's main contaminant monitoring program. No detected contaminant data is available for these systems.

If you're researching the main municipal utility serving Denver, search for your specific address below — the search returns the actual water system serving your residence, which may be different from what's listed here.

Frequently asked questions

Is Denver, IL tap water safe to drink?
Denver tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 2 above independent health guidelines. 0 contaminants have been detected in the water supply, including . View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Denver water?
Monitoring has detected 0 contaminants in Denver's water supply: . 1 of these are above EPA legal limits. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Denver water hard?
Yes. Denver water has a hardness of 1137 mg/L (very hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does Denver get its drinking water?
Denver's drinking water comes from a combination of groundwater and surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Denver is served by 8 water systems, the largest being BEACH MHP (serving 624 people).

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