Metals · 2023

Arsenic in Irvine Ranch Water District, CA tap water

Within the federal limit· 0.6× the limit

Irvine Ranch Water District, CA's 2023 Arsenic measurement is below the federal limit of 10 UG/L (MCL).

The measurement

StatisticValue
Average
Source water
5.750210526315789 UG/L
Highest single sample
Entry point
8.38 UG/L
Highest single sample
Source water
10.2 UG/L
Average
Entry point
1.85803738317757 UG/L

Verbatim from Irvine Ranch Water District, CA's 2023 Consumer Confidence Report — source document ↗

About Arsenic

A naturally occurring element that also enters water from industry and agriculture.

A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.

How Irvine Ranch Water District, CA compares

2 of the 112 systems measuring Arsenic on The Water Map have it at or above the federal limit:

Nearby systems also reporting Arsenic:

People also ask

+Is there Arsenic in Irvine Ranch Water District, CA tap water?

Yes — Irvine Ranch Water District, CA's 2023 Consumer Confidence Report lists Arsenic at 5.750210526315789 UG/L. Irvine Ranch Water District, CA's 2023 Arsenic measurement is below the federal limit of 10 UG/L (MCL).

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

The federal MCL for Arsenic is 10 UG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Arsenic?

A naturally occurring element that also enters water from industry and agriculture. A known human carcinogen; long-term exposure is linked to skin, bladder, and lung cancer.

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

2 of the 112 systems on The Water Map measuring Arsenic report it at or above the federal limit. Examples include Mesa Del Toro Mwc, CA, Victorville Water District, CA.

+Where does this Arsenic measurement come from?

This page reproduces the Arsenic entry from the 2023 Consumer Confidence Report published by the Irvine Ranch Water District, 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/irvine-ranch-water-district/2023/source.

Full report
All Irvine Ranch Water District, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Arsenic across the U.S. →
Every public water system measuring Arsenic, ranked.