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Water Quality Report

Nashville, IL

Washington County · 24,318 residents · 7 water systems

5

Contaminants detected

1

PFAS compounds

168

Hardness (mg/L)

2

Above legal limits

3

Above health guidelines

Nashville drinking water comes from a mix of groundwater and surface water sources. Based on the most recent monitoring data, 5 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), and 1 others. PFAS compounds have been detected at trace levels in Nashville water. Water hardness is 168 mg/L (hard), which is within a typical range for the region.

Contaminants detected in Nashville water

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

Lead0.002 / 0.015 mg/L
13% of EPA limit
Copper66.1 / 1300 ug/L
5% of EPA limit
Total Trihalomethanes50.1 / 80 ug/L
63% of EPA limit
50% of EPA limit
PFBA (Perfluorobutanoic Acid)0.0078 ug/L
UnregulatedPFAS
PFAS (1 compounds detected)
Microplastics (not routinely tested)

Other cities in Washington County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Nashville, IL tap water safe to drink?
Nashville tap water has 2 contaminants currently measured above EPA legal standards (Maximum Contaminant Levels), and 3 above independent health guidelines. 5 contaminants have been detected in the water supply, including Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), PFBA (Perfluorobutanoic Acid). 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 Nashville water?
Monitoring has detected 5 contaminants in Nashville's water supply: Lead, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), PFBA (Perfluorobutanoic Acid). Additionally, 1 PFAS compounds have been detected at trace levels. 2 of these are above EPA legal limits. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Nashville water have PFAS?
Yes. 1 PFAS compounds have been detected in Nashville'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 Nashville water hard?
Yes. Nashville water has a hardness of 168 mg/L (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 Nashville get its drinking water?
Nashville'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. Nashville is served by 7 water systems, the largest being WASHINGTON COUNTY WATER COMPANY (serving 12,040 people).

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