Drinking water quality · 2021
· Verified
What's in Why Dwid, AZ tap water
2 contaminants were measured in the Why Dwid, AZ water system's 2021 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2021
- Contaminants measured
- 2
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Copper
- Service area
- AZ
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 1.5 mg/L90th percentileAt the tap | 1.3 mg/LAction level | At or above the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0 mg/L90th percentileAt the tap | 0.015 mg/LAction level | None detected |
People also ask about Why Dwid, AZ's water
+Is Why Dwid, AZ tap water safe to drink in 2021?
The 2021 Consumer Confidence Report for the Why Dwid, AZ water utility lists 1 contaminant at or above the federal limit: Copper. 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 Why Dwid, AZ tap water?
2 contaminants were measured in Why Dwid, AZ's 2021 Consumer Confidence Report, spanning metals. 2 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 Why Dwid, AZ tap water?
One contaminant in Why Dwid, AZ's 2021 report sits at or above the federal limit: Copper (1.2× 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 Why Dwid, AZ tap water?
The contaminant with the highest measured value relative to its federal limit in the 2021 report is Copper, at 1.2× the federal threshold. It belongs to the metals family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Why Dwid, AZ's 2021 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 Why Dwid, 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 2021 report; a new report will replace it once the utility publishes its next annual update.