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Water Quality Report

Earlville, IL

LaSalle County · 1,613 residents · 1 water system

9

Contaminants detected

0

PFAS compounds

230

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Earlville 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, Total Trihalomethanes, and 5 others. Water hardness is 230 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Earlville water

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

Lead0.0034 / 0.015 mg/L
23% of EPA limit
Arsenic0.0021 / 0.01 mg/L
21% of EPA limit
Copper110 / 1300 ug/L
8% of EPA limit
36% of EPA limit
26% of EPA limit
Selenium0.0032 / 0.05 mg/L
6% of EPA limit
Barium0.096 / 2 mg/L
5% of EPA limit
Fluoride0.418 / 4 mg/L
10% of EPA limit
Orthophosphate280 ug/L
Unregulated
Microplastics (not routinely tested)

Other cities in LaSalle County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Earlville, IL tap water safe to drink?
Earlville tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 contaminants are present above independent health guidelines, which are often stricter than legal limits. 9 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Earlville water?
Monitoring has detected 9 contaminants in Earlville's water supply: Lead, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Selenium, Barium, Fluoride, Orthophosphate. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Earlville water hard?
Yes. Earlville water has a hardness of 230 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 Earlville get its drinking water?
Earlville'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. Earlville is served by one water system: EARLVILLE.

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