Water Quality Report
Omaha, IL
Gallatin County · 234 residents · 1 water system
3
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
0
Above health guidelines
Omaha drinking water comes from groundwater wells. Based on the most recent monitoring data, 3 contaminants have been detected in the water supply, including Lead, Total Trihalomethanes, Haloacetic Acids (HAA5).
Contaminants detected in Omaha 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
Total Trihalomethanes26 / 80 ug/L
33% of EPA limit
Haloacetic Acids (HAA5)15.2 / 60 ug/L
25% of EPA limit
Microplastics (not routinely tested)
Water systems serving Omaha
Other cities in Gallatin County
Water quality reports for nearby Illinois communities.
Frequently asked questions
Is Omaha, IL tap water safe to drink?
Omaha tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 3 contaminants have been detected in the water supply, including Lead, Total Trihalomethanes, Haloacetic Acids (HAA5). Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Omaha water?
Monitoring has detected 3 contaminants in Omaha's water supply: Lead, Total Trihalomethanes, Haloacetic Acids (HAA5). See individual system reports for concentrations relative to EPA limits.
Where does Omaha get its drinking water?
Omaha'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. Omaha is served by one water system: OMAHA.
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 Omaha.
Schedule an onsite consultation.