Water Quality Report
Tiskilwa, IL
Bureau County · 740 residents · 1 water system
10
Contaminants detected
0
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Tiskilwa drinking water comes from groundwater wells. Based on the most recent monitoring data, 10 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 6 others.
Contaminants detected in Tiskilwa 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
Nitrate0.278 / 10 mg/L
3% of EPA limit
Arsenic0.0053 / 0.01 mg/L
53% of EPA limit
Copper211 / 1300 ug/L
16% of EPA limit
Radium0.436 / 5 pCi/L
9% of EPA limit
Total Trihalomethanes15.5 / 80 ug/L
19% of EPA limit
Haloacetic Acids (HAA5)7 / 60 ug/L
12% of EPA limit
Barium0.306 / 2 mg/L
15% of EPA limit
Cyanide0.007 / 0.2 mg/L
3% of EPA limit
Fluoride0.243 / 4 mg/L
6% of EPA limit
Microplastics (not routinely tested)
Water systems serving Tiskilwa
Other cities in Bureau County
Water quality reports for nearby Illinois communities.
Frequently asked questions
Is Tiskilwa, IL tap water safe to drink?
Tiskilwa tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is present above independent health guidelines, which are often stricter than legal limits. 10 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Radium. 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 Tiskilwa water?
Monitoring has detected 10 contaminants in Tiskilwa's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Cyanide, Fluoride. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Tiskilwa get its drinking water?
Tiskilwa'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. Tiskilwa is served by one water system: TISKILWA.
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 Tiskilwa.
Schedule an onsite consultation.