Drinking water quality · 2024
· Verified
What's in Aurora, IL tap water
19 contaminants were measured in the Aurora, IL water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 19
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- IL
PFAS — EPA UCMR5 (2023–2025)
5 PFAS compounds detected in Aurora, IL
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.
PFHxA
● Detected (no federal limit)below national p90 (12.190000000000003 ng/L across detecting U.S. systems)
Lithium
● Detected (no federal limit)below national p90 (76.59999999999991 mg/L across detecting U.S. systems)
PFBA
● Detected (no federal limit)below national p90 (18 ng/L across detecting U.S. systems)
PFBS
● Detected (no federal limit)below national p90 (13.909999999999979 ng/L across detecting U.S. systems)
PFPeA
● Detected (no federal limit)below national p90 (15.95999999999999 ng/L across detecting U.S. systems)
Where your water comes from · EPA SDWIS
Aurora, IL's drinking water comes from ground water, drawn from 21 sources.
Source
- WELL 25
- INTAKE 00679-FOX RIVER INTAKE
- WELL 101
- WELL 115
- + 17 more
Treatment
- TP 04-WELL 16 (EMERGENCY)
- TP 06-WELL 18 (EMERGENCY)
- TP 09-WELL 22 (EMERGENCY)
- + 1 more
Distribution
Historical readings · EPA Six-Year Review (2012–2019)
2 contaminants historically over EPA limits in Aurora, IL
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
GROSS BETA worst: 2017 | 24.9 mrem/yr 6.2× | 4 mrem/yr | '17 |
RADIUM 226 228 worst: 2017 | 11.1 pCi/L 2.2× 2.3× the national p90 | 5 pCi/L | '14'17 |
BENZO A PYRENE worst: 2017 | 0.00018 mg/L 90% near national p90 | 0.0002 mg/L | '14'17 |
TTHM worst: 2013 | 0.0676 mg/L 84% | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
HAA5 worst: 2013 | 0.0323 mg/L within | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
MERCURY worst: 2017 | 0.001 mg/L within | 0.002 mg/L | '14'17 |
FLUORIDE worst: 2017 | 1.5 mg/L within | 4 mg/L | '12'13'14'15'16'17'18'19 |
THALLIUM worst: 2014 | 0.0006 mg/L within | 0.002 mg/L | '14 |
TCE worst: 2012 | 0.0011 mg/L within | 0.005 mg/L | '12'13'14 |
NITRATE worst: 2017 | 1.9 mg/L within | 10 mg/L | '12'13'14'15'16'17'18'19 |
ARSENIC worst: 2014 | 0.0015 mg/L within below national p90 | 0.01 mg/L | '14 |
NITRATE NITRITE worst: 2015 | 1.4 mg/L within | 10 mg/L | '12'15'18'19 |
BARIUM worst: 2014 | 0.14 mg/L within near national p90 | 2 mg/L | '12'13'14'15'16'17'18'19 |
CHROMIUM worst: 2014 | 0.0048 mg/L within below national p90 | 0.1 mg/L | '12'14'15'16'17'18'19 |
NITRITE worst: 2012 | 0.01 mg/L within | 1 mg/L | '12 |
CIS DICHLOROETHYLENE 12 worst: 2013 | 0.0007 mg/L within below national p90 | 0.07 mg/L | '12'13 |
URANIUM worst: 2014 | 0.000283 ug/L within below national p90 | 30 ug/L | '14 |
COPPER worst: 2012 | 0.088 mg/L below national p90 | — | '12'15'18 |
LEAD worst: 2012 | 0.017 mg/L | — | '12'15'18 |
DBAA worst: 2012 | 0.0041 mg/L | — | '12'13'14'15'16'17'18'19 |
DCAA worst: 2012 | 0.012 mg/L | — | '12'13'14'15'16'17'18'19 |
MCAA worst: 2016 | 0.0039 mg/L | — | '16'17'19 |
TCAA worst: 2012 | 0.0063 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMOFORM worst: 2012 | 0.0072 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMODICHLOROMETHANE worst: 2012 | 0.017 mg/L | — | '12'13'14'15'16'17'18'19 |
CHLOROFORM worst: 2012 | 0.033 mg/L | — | '12'13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.012 mg/L | — | '12'13'14'15'16'17'18'19 |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 3 mg/LReported levelSystem-wide | 4 mg/LMRDLG | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge. | 1.1–2.1 ug/LRangeSystem-wide | 100 ug/LMCLG | Within the limit |
| SodiumA naturally occurring salt component. | 55–55 mg/LRangeSystem-wide | None set | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Cryptosporidium | 0.079AverageSource water | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 8.95 pCi/LReported levelSystem-wide | 0 pCi/LMCLG | Detected — no federal limit |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.89 pCi/LReported levelSystem-wide | 0 pCi/LMCLG | Detected — no federal limit |
People also ask about Aurora, IL's water
+Is Aurora, IL tap water safe to drink in 2024?
Every one of the 19 contaminants measured in Aurora, IL's 2024 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Aurora, IL tap water?
19 contaminants were measured in Aurora, IL's 2024 Consumer Confidence Report, spanning metals, pfas ("forever chemicals"), and radionuclides. 10 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Aurora, IL'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 Aurora, IL'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.