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Water Quality Report

Rock City, IL

Stephenson County · 293 residents · 1 water system

5

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

0

Above health guidelines

Rock City drinking water comes from groundwater wells. Based on the most recent monitoring data, 5 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Barium, and 1 others.

Contaminants detected in Rock City water

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

Lead0 / 0.015 mg/L
0% of EPA limit
Nitrate8 / 10 mg/L
80% of EPA limit
Copper102 / 1300 ug/L
8% of EPA limit
Barium0.0383 / 2 mg/L
2% of EPA limit
Fluoride0.902 / 4 mg/L
23% of EPA limit
Microplastics (not routinely tested)

Water systems serving Rock City

ROCK CITY

293 servedGroundwater5 contaminants
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Other cities in Stephenson County

Water quality reports for nearby Illinois communities.

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Frequently asked questions

Is Rock City, IL tap water safe to drink?
Rock City tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 5 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Barium, Fluoride. Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Rock City water?
Monitoring has detected 5 contaminants in Rock City's water supply: Lead, Nitrate, Copper, Barium, Fluoride. See individual system reports for concentrations relative to EPA limits.
Where does Rock City get its drinking water?
Rock City'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. Rock City is served by one water system: ROCK CITY.

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