Skip to content

Water Quality Report

Cedarville, IL

Stephenson County · 663 residents · 1 water system

9

Contaminants detected

0

PFAS compounds

531

Hardness (mg/L)

2

Above legal limits

1

Above health guidelines

Cedarville drinking water comes from groundwater wells. Based on the most recent monitoring data, 9 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, and 5 others. Water hardness is 531 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Cedarville water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0.019 / 0.015 mg/L
127% of EPA limit
Arsenic0.0037 / 0.01 mg/L
37% of EPA limit
Copper1.4 / 1.3 mg/L
106% of EPA limit
Radium1.9 / 5 pCi/L
38% of EPA limit
16% of EPA limit
15% of EPA limit
Barium0.131 / 2 mg/L
7% of EPA limit
Fluoride0.16 / 4 mg/L
4% of EPA limit
Phosphorus Total192 ug/L
Unregulated
Microplastics (not routinely tested)

Other cities in Stephenson County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Cedarville, IL tap water safe to drink?
Cedarville tap water has 2 contaminants currently measured above EPA legal standards (Maximum Contaminant Levels), and 1 above independent health guidelines. 9 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, Total Trihalomethanes. 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 Cedarville water?
Monitoring has detected 9 contaminants in Cedarville's water supply: Lead, Arsenic, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Fluoride, Phosphorus Total. 2 of these are above EPA legal limits. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Cedarville water hard?
Yes. Cedarville water has a hardness of 531 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 Cedarville get its drinking water?
Cedarville's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Cedarville is served by one water system: CEDARVILLE.

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.

Free water assessment in Cedarville.

Schedule an onsite consultation.