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Water Quality Report

Park Forest, IL

Cook County · 21,687 residents · 1 water system

11

Contaminants detected

1

PFAS compounds

587

Hardness (mg/L)

0

Above legal limits

2

Above health guidelines

Park Forest drinking water comes from groundwater wells. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Radium, and 7 others. PFAS compounds have been detected at trace levels in Park Forest water. Water hardness is 587 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Park Forest water

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

Lead0.0023 / 0.015 mg/L
15% of EPA limit
Nitrate0.237 / 10 mg/L
2% of EPA limit
Arsenic0.0011 / 0.01 mg/L
12% of EPA limit
Radium1.3 / 5 pCi/L
25% of EPA limit
Total Trihalomethanes14.2 / 80 ug/L
18% of EPA limit
8% of EPA limit
Barium0.0197 / 2 mg/L
1% of EPA limit
Fluoride0.45 / 4 mg/L
11% of EPA limit
Di(2-ethylhexyl) adipate1.1 / 400 ug/L
0% of EPA limit
Gross Beta7.6 / 50 pCi/L
15% of EPA limit
Lithium20.2 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Other cities in Cook County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Park Forest, IL tap water safe to drink?
Park Forest 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. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Radium, Total Trihalomethanes. 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 Park Forest water?
Monitoring has detected 11 contaminants in Park Forest's water supply: Lead, Nitrate, Arsenic, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Fluoride, Di(2-ethylhexyl) adipate, Gross Beta, Lithium. Additionally, 1 PFAS compounds have been detected at trace levels. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Park Forest water have PFAS?
Yes. 1 PFAS compounds have been detected in Park Forest's water supply at trace levels. PFAS are sometimes called "forever chemicals" because they do not break down in the environment. The EPA has set Maximum Contaminant Levels for several PFAS compounds. View the detailed report for specific concentrations.
Is Park Forest water hard?
Yes. Park Forest water has a hardness of 587 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 Park Forest get its drinking water?
Park Forest'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. Park Forest is served by one water system: PARK FOREST.

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