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Water Quality Report

Peoria, IL

Peoria County · 5,806 residents · 2 water systems

11

Contaminants detected

6

PFAS compounds

470

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Peoria 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, Copper, Total Trihalomethanes, and 7 others. PFAS compounds have been detected at trace levels in Peoria water. Water hardness is 470 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.

Contaminants detected in Peoria 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
Nitrate1.7 / 10 mg/L
17% of EPA limit
Copper76 / 1300 ug/L
6% of EPA limit
4% of EPA limit
2% of EPA limit
PFPeA (Perfluoropentanoic Acid)0.9 ng/L
UnregulatedPFAS
PFPeS (Perfluoropentane Sulfonate)1.3 ng/L
UnregulatedPFAS
PFHpA (Perfluoroheptanoic Acid)0.4 ng/L
UnregulatedPFAS
Barium0.14 / 2 mg/L
7% of EPA limit
Fluoride0.717 / 4 mg/L
18% of EPA limit
PFBA (Perfluorobutanoic Acid)1.9 ng/L
UnregulatedPFAS
PFAS (6 compounds detected)
Microplastics (not routinely tested)

Other cities in Peoria County

Water quality reports for nearby Illinois communities.

Frequently asked questions

Is Peoria, IL tap water safe to drink?
Peoria 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. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). 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 Peoria water?
Monitoring has detected 11 contaminants in Peoria's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), PFPeA (Perfluoropentanoic Acid), PFPeS (Perfluoropentane Sulfonate), PFHpA (Perfluoroheptanoic Acid), Barium, Fluoride, PFBA (Perfluorobutanoic Acid). Additionally, 6 PFAS compounds have been detected at trace levels. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Peoria water have PFAS?
Yes. 6 PFAS compounds have been detected in Peoria'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 Peoria water hard?
Yes. Peoria water has a hardness of 470 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 Peoria get its drinking water?
Peoria'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. Peoria is served by 2 water systems, the largest being PLEASANT VALLEY PWD (serving 3,783 people).

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