Drinking water quality · 2024
What's in Peoria, AZ tap water
27 contaminants were measured in the Peoria, AZ water system's 2024 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 27
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- PFOA
- Service area
- AZ
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 370 ng/LAverageSystem-wide | None set | At or above the limit |
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | 0.25 ng/LAverageSystem-wide | None set | Within the limit |
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | 1 ng/LAverageSystem-wide | None set | Detected — no federal limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 51.7 ug/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 12.6 ug/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | 1 ug/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 5.8 ug/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.49 mg/LAveragePeoria Water System 04-07-096 | 2 mg/LMCL | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.235 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| Thallium | 0.12 ug/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | None set | None detected |
| LithiumA naturally occurring element found in some groundwater. | 38.2 ug/LAverageSystem-wide | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 60 mg/LAveragePeoria Water System 04-07-096 | None set | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.95 mg/LAveragePeoria Water System 04-07-096 | 4 mg/LMCL | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 2.3 mg/LAveragePeoria Water System 04-07-096 | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.372 mg/LAveragePeoria Water System 04-07-096 | 4 mg/LMCL | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.15 NTURangePeoria Water System 04-07-096 | None set | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 140 mg/LAveragePeoria Water System 04-07-096 | None set | Detected — no federal limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.99 mg/LAveragePeoria Water System 04-07-096 | None set | Detected — no federal limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| DBCP1,2-dibromo-3-chloropropane — a banned soil fumigant pesticide. | 27 ng/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | 0.07 ug/LAveragePeoria Water System 04-07-096 | 5 ug/LMCL | Within the limit |
| XylenesA group of industrial solvents found in gasoline and paint. | 0.04 ug/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 1.8 pCi/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 11 ug/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
| Cis Dichloroethylene 12 | 0.036 ug/LAveragePeoria Water System 04-07-096 | None set | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0 %RangePeoria Water System 04-07-096 | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0 %RangePeoria Water System 04-07-096 | None set | None detected |
People also ask about Peoria, AZ's water
+Is Peoria, AZ tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Peoria, AZ water utility lists 1 contaminant at or above the federal limit: PFOA. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Peoria, AZ tap water?
27 contaminants were measured in Peoria, AZ's 2024 Consumer Confidence Report, spanning metals, disinfection byproducts, and pfas ("forever chemicals"). 6 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Peoria, AZ tap water?
One contaminant in Peoria, AZ's 2024 report sits at or above the federal limit: PFOA (92.5× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Peoria, AZ tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is PFOA, at 92.5× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Peoria, AZ's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Peoria, AZ's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.