Drinking water quality · 2022
· Verified
What's in Azusa Light and Water — Azusa, Ca, CA tap water
14 contaminants were measured in the Azusa Light and Water — Azusa, Ca, CA water system's 2022 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2022
- Contaminants measured
- 14
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Chromium
- Service area
- CA
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-based1 violation on record · most recent Oct 1992resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 0.13 mg/LAverageAzusa Groundwater | None set | At or above the limit |
+By source (2)— Azusa Groundwater, Azusa Surface Water
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 2.63 mg/LAverageAzusa Groundwater | 10 mg/LMCL | Within the limit |
+By source (2)— Azusa Groundwater, Azusa Surface Water
| |||
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.28 mg/LAverageAzusa Groundwater | 4 mg/LMCL | Within the limit |
+By source (2)— Azusa Groundwater, Azusa Surface Water
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.88 mg/LAverageAzusa Groundwater | 4 mg/LMCL | Within the limit |
+By source (2)— Azusa Groundwater, Azusa Surface Water
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| BariumA metal from erosion of natural deposits and industrial discharge. | Not detected mg/LRangeAzusa Surface Water | None set | None detected |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected mg/L90th percentileAZUSA DRINKING WATER CONCENTRATION 90th Percentile Value Distribution System | 2 mg/LPublic health goal | None detected |
| BoronA naturally occurring element from rock and soil. | 160AverageAzusa Surface Water | None set | Detected — no federal limit |
+By source (2)— Azusa Surface Water, Azusa Groundwater
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Cryptosporidium | Not detectedRangeAzusa Surface Water | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 2.6 %AverageAzusa Groundwater | None set | Detected — no federal limit |
+By source (2)— Azusa Groundwater, Azusa Surface Water
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | Not detected pCi/LRangeAzusa Groundwater | 15 pCi/LMCL | None detected |
+By source (2)— Azusa Groundwater, Azusa Surface Water
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | Not detected pCi/LRangeAzusa Groundwater | 20 pCi/LMCL | None detected |
+By source (2)— Azusa Groundwater, Azusa Surface Water
| |||
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | Not detected ug/LRangeAzusa Groundwater | 5 ug/LMCL | None detected |
+By source (2)— Azusa Groundwater, Azusa Surface Water
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 0.97AverageAzusa Groundwater | None set | Detected — no federal limit |
+By source (2)— Azusa Groundwater, Azusa Surface Water
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.03AverageAzusa Surface Water | 0.1MCL | Detected — no federal limit |
People also ask about Azusa Light and Water — Azusa, Ca, CA's water
+Is Azusa Light and Water — Azusa, Ca, CA tap water safe to drink in 2022?
The 2022 Consumer Confidence Report for the Azusa Light and Water — Azusa, Ca, CA water utility lists 1 contaminant at or above the federal limit: Chromium. 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 Azusa Light and Water — Azusa, Ca, CA tap water?
14 contaminants were measured in Azusa Light and Water — Azusa, Ca, CA's 2022 Consumer Confidence Report, spanning metals, inorganic chemicals, and microbial. 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 Azusa Light and Water — Azusa, Ca, CA tap water?
One contaminant in Azusa Light and Water — Azusa, Ca, CA's 2022 report sits at or above the federal limit: Chromium (1.3× 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 Azusa Light and Water — Azusa, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2022 report is Chromium, at 1.3× the federal threshold. It belongs to the other family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Azusa Light and Water — Azusa, Ca, CA's 2022 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 Azusa Light and Water — Azusa, Ca, CA'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 2022 report; a new report will replace it once the utility publishes its next annual update.