Physical & aggregate · 2024
TOC in Daly City, CA tap water
Daly City, CA's 2024 report shows TOC detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 1.1–1.8 mg/L | None set |
Average System-wide | 1.5 mg/L | None set |
Verbatim from Daly City, CA's 2024 Consumer Confidence Report — source document ↗
About TOC
Total organic carbon — a measure of organic material dissolved in the water.
Not harmful itself, but it is the raw material that forms disinfection byproducts; removal is a treatment requirement.
How Daly City, CA compares
5 of the 211 systems measuring TOC on The Water Map have it at or above the federal limit:
Nearby systems also reporting TOC:
People also ask
+Is there TOC in Daly City, CA tap water?
Yes — Daly City, CA's 2024 Consumer Confidence Report lists TOC at 1.5 mg/L. Daly City, CA's 2024 report shows TOC detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for TOC in drinking water?
The EPA has not set an enforceable federal limit for TOC. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is TOC?
Total organic carbon — a measure of organic material dissolved in the water. Not harmful itself, but it is the raw material that forms disinfection byproducts; removal is a treatment requirement.
+Which other U.S. cities have TOC over the federal limit?
5 of the 211 systems on The Water Map measuring TOC report it at or above the federal limit. Examples include Kansas City, KS, Centennial, CO, Gilbert, AZ.
+Where does this TOC measurement come from?
This page reproduces the TOC entry from the 2024 Consumer Confidence Report published by the Daly City, CA water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ca/daly-city/2024/source.