Disinfection byproducts · 2020

TTHM in Rubio Canon Land & Water Association — Altadena, Ca, CA tap water

Within the federal limit· 0.3× the limit

Rubio Canon Land & Water Association — Altadena, Ca, CA's 2020 TTHM measurement is below the federal limit.

The measurement

StatisticValue
Range
System-wide
17–39 ug/L
Range
System-wide
0–30 ug/L
Average
Average Amount
28 ug/L
Average
Average Amount
18.85 ug/L

Verbatim from Rubio Canon Land & Water Association — Altadena, Ca, CA's 2020 Consumer Confidence Report — source document ↗

About TTHM

Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.

Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.

How Rubio Canon Land & Water Association — Altadena, Ca, CA compares

5 of the 1176 systems measuring TTHM on The Water Map have it at or above the federal limit:

Nearby systems also reporting TTHM:

People also ask

+Is there TTHM in Rubio Canon Land & Water Association — Altadena, Ca, CA tap water?

Yes — Rubio Canon Land & Water Association — Altadena, Ca, CA's 2020 Consumer Confidence Report lists TTHM at 28 ug/L. Rubio Canon Land & Water Association — Altadena, Ca, CA's 2020 TTHM measurement is below the federal limit.

+What's the federal limit for TTHM in drinking water?

The EPA has not set an enforceable federal limit for TTHM. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is TTHM?

Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.

+Which other U.S. cities have TTHM over the federal limit?

5 of the 1176 systems on The Water Map measuring TTHM report it at or above the federal limit. Examples include Calexico, City of — Calexico, Ca, CA, White Fence Farms Mwc No.3 — Lancaster, Ca, CA, Greensboro, NC.

+Where does this TTHM measurement come from?

This page reproduces the TTHM entry from the 2020 Consumer Confidence Report published by the Rubio Canon Land & Water Association — Altadena, Ca, 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/rubio-canon-land-water-association-altadena-ca/2020/source.

Full report
All Rubio Canon Land & Water Association — Altadena, Ca, CA water-quality data →
Every contaminant measured in the 2020 report.
Contaminant pillar
TTHM across the U.S. →
Every public water system measuring TTHM, ranked.