Drinking water quality · 1992
· Verified
What's in City of Daly City, CA tap water
1 contaminants were measured in the City of Daly City, CA water system's 1992 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 1992
- Contaminants measured
- 1
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Lead
- Service area
- CA
Where your water comes from · EPA SDWIS
City of Daly City, CA's drinking water comes from ground water, drawn from 5 sources.
Source
- JEFFERSON WELL
- WESTLAKE WELL
- WELL 04 - STANDBY
- JUNIPERO SERRA WELL
- + 1 more
Treatment
- WESTLAKE PUMP STATION - BLENDED-TREATED
- CITRUS PUMP STATION - BLENDED - TREATED
Distribution
Also buys water from SAN FRANCISCO REGIONAL WATER SYSTEM, NORTH COAST COUNTY WATER DIST, and 4 more.
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-based3 violations on record · most recent Dec 2003resolved
- Treatment technique violationHealth-based1 violation on record · most recent Apr 1992resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.015 mg/L90th percentileAt the tap | 0.015 mg/LAction level | At or above the limit |
People also ask about City of Daly City, CA's water
+Is City of Daly City, CA tap water safe to drink in 1992?
The 1992 Consumer Confidence Report for the City of Daly City, CA water utility lists 1 contaminant at or above the federal limit: Lead. 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 City of Daly City, CA tap water?
1 contaminants were measured in City of Daly City, CA's 1992 Consumer Confidence Report, spanning metals. 1 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 City of Daly City, CA tap water?
One contaminant in City of Daly City, CA's 1992 report sits at or above the federal limit: Lead (1.0× 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 City of Daly City, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 1992 report is Lead, at 1.0× 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 City of Daly City, CA's 1992 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 City of Daly City, 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 1992 report; a new report will replace it once the utility publishes its next annual update.