Drinking water quality · 2024
· Verified
What's in Ucmr5 — City of Avondale (2024), AZ tap water
30 contaminants were measured in the Ucmr5 — City of Avondale (2024), AZ water system's 2024 annual report. Each is shown below against its federal limit — 2 sit at or above that limit.
- Reporting year
- 2024
- Contaminants measured
- 30
- Over federal limit
- 2
- Approaching the limit
- 3
- Worst contaminant
- PFOA
- Service area
- AZ
PFAS — EPA UCMR5 (2023–2025)
2 PFAS compounds above EPA limits in Ucmr5 — City of Avondale (2024), AZ
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
PFOA (Perfluorooctanoic acid)
● Over EPA limit (3.4×)PFOS (Perfluorooctane sulfonic acid)
● Over EPA limit (2.9×)PFHxS (Perfluorohexane sulfonic acid)
● Approaching limit (94%)PFBA
● Detected (no federal limit)PFHxA
● Detected (no federal limit)PFBS
● Detected (no federal limit)PFHpA
● Detected (no federal limit)PFPeA
● Detected (no federal limit)Where your water comes from · EPA SDWIS
Ucmr5 — City of Avondale (2024), AZ's drinking water comes from ground water, drawn from 16 sources.
Source
- WL-55-200566 -
- WL-55-501247 -
- WL-55-501288 -
- WL-55-578749 -
- + 12 more
Treatment
- TP001 - CL2, AS
- TP004 - CL2
- TP005 - CL2
- + 3 more
Distribution
Also buys water from PHOENIX CITY OF.
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Maximum contaminant level exceededHealth-based12 violations on record · most recent Jan 2006resolved
- Other1 violation on recordresolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0–8.3 ug/LReported levelDelivered Water from City of Phoenix | None set | Approaching the limit |
+By source (2)— Delivered Water from City of Phoenix, City of Avondale
| |||
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 0–56 ug/LReported levelDelivered Water from City of Phoenix | None set | Within the limit |
+By source (2)— Delivered Water from City of Phoenix, City of Avondale
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.023–0.49 mg/LReported levelCity of Avondale | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 35–180 ug/LReported levelCity of Avondale | None set | Within the limit |
+By source (2)— City of Avondale, Delivered Water from City of Phoenix
| |||
| SeleniumA trace element from natural deposits and industrial discharge. | 0–2.3 ug/LReported levelDelivered Water from City of Phoenix | None set | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0 mg/L90th percentileAt the tap | 0.015 mg/LAction level | None detected |
| GermaniumA trace metalloid found in some source water. | 0.36 ug/LReported levelCity of Avondale | None set | Detected — no federal limit |
| LithiumA naturally occurring element found in some groundwater. | 40.7–114 ug/LReported levelCity of Avondale | None set | Detected — no federal limit |
+By source (2)— City of Avondale, City of Phoenix
| |||
| ManganeseA naturally occurring metal from soil and rock. | 0.87 ug/LReported levelCity of Avondale | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 88–198 mg/LReported levelDelivered water from City of Phoenix | None set | Detected — no federal limit |
+By source (2)— Delivered water from City of Phoenix, City of Avondale
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0–8.2 mg/LReported levelDelivered Water from City of Phoenix | 10 mg/LMCL | Approaching the limit |
+By source (2)— Delivered Water from City of Phoenix, City of Avondale
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0–1.1 mg/LReported levelCity of Avondale | 4 mg/LMCL | Within the limit |
+By source (2)— City of Avondale, Delivered Water from City of Phoenix
| |||
| BromideA naturally occurring salt found in source water. | 330 ug/LReported levelCity of Avondale | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Free | 0–2 mg/LReported levelDelivered Water from City of Phoenix | 4 mg/LMCL | Within the limit |
+By source (2)— Delivered Water from City of Phoenix, City of Avondale
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1.7–4.6 ug/LReported levelCity of Avondale | 30 ug/LMCL | Within the limit |
+By source (2)— City of Avondale, Delivered Water from City of Phoenix
| |||
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 0–1.9 pCi/LReported levelDelivered Water from City of Phoenix | 15 pCi/LMCL | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 4.19 ug/LReported levelCity of Avondale | None set | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0–180 ug/LReported levelDelivered Water from City of Phoenix | 4000 ug/LMCL | Within the limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 1 %Reported levelCity of Avondale | None set | Detected — no federal limit |
+By source (2)— City of Avondale, Delivered Water from City of Phoenix
| |||
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 2 %Reported levelCity of Avondale | 0 %MCLG | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TemperatureThe measured temperature of the water sample. | 14–42Reported levelCity of Avondale | None set | Detected — no federal limit |
+By source (2)— City of Avondale, Delivered water from City of Phoenix
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 0.7–2.8Reported levelDelivered Water from City of Phoenix | None set | Detected — no federal limit |
People also ask about Ucmr5 — City of Avondale (2024), AZ's water
+Is Ucmr5 — City of Avondale (2024), AZ tap water safe to drink in 2024?
The 2024 Consumer Confidence Report for the Ucmr5 — City of Avondale (2024), AZ water utility lists 2 contaminants at or above the federal limit: PFOA and PFOS. 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 Ucmr5 — City of Avondale (2024), AZ tap water?
30 contaminants were measured in Ucmr5 — City of Avondale (2024), AZ's 2024 Consumer Confidence Report, spanning metals, pfas ("forever chemicals"), and inorganic chemicals. 8 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 Ucmr5 — City of Avondale (2024), AZ tap water?
2 contaminants in Ucmr5 — City of Avondale (2024), AZ's 2024 report sit at or above the federal limit: PFOA (3.5× the limit); PFOS (3.0× 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 Ucmr5 — City of Avondale (2024), AZ tap water?
The contaminant with the highest measured value relative to its federal limit in the 2024 report is PFOA, at 3.5× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Are any contaminants in Ucmr5 — City of Avondale (2024), AZ tap water approaching the federal limit?
3 contaminants are between 80% and 100% of the federal limit in this report: Perfluorohexanesulfonic acid, Arsenic, and Nitrate. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Ucmr5 — City of Avondale (2024), 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 Ucmr5 — City of Avondale (2024), 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.