Physical & aggregate · 2024
Specific Conductance in Ontario, CA tap water
Ontario, CA's 2024 report shows Specific Conductance detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Local Groundwater | 338 | None set |
Reported level Source water | 395 | None set |
Reported level Purchased Groundwater JCSD (870 Zone) | 508 | None set |
Reported level Purchased Groundwater CDA 1 (870 Zone) | 473 | None set |
Reported level Purchased Groundwater CDA 2 (1110 Zone) | 414 | None set |
Verbatim from Ontario, CA's 2024 Consumer Confidence Report — source document ↗
About Specific Conductance
A measure of how well water conducts electricity, which tracks dissolved mineral content.
Not federally regulated for health; used as a proxy for total dissolved solids.
How Ontario, CA compares
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People also ask
+Is there Specific Conductance in Ontario, CA tap water?
Yes — Ontario, CA's 2024 Consumer Confidence Report lists Specific Conductance at 508. Ontario, CA's 2024 report shows Specific Conductance detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Specific Conductance in drinking water?
The EPA has not set an enforceable federal limit for Specific Conductance. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Specific Conductance?
A measure of how well water conducts electricity, which tracks dissolved mineral content. Not federally regulated for health; used as a proxy for total dissolved solids.
+Where does this Specific Conductance measurement come from?
This page reproduces the Specific Conductance entry from the 2024 Consumer Confidence Report published by the Ontario, 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/ontario/2024/source.