Metals · 2024

Boron in Chula Vista Sweetwater, CA tap water

Within the federal limit· 0.5× the limit

Chula Vista Sweetwater, CA's 2024 Boron measurement is below the federal limit of 1 mg/L (NL).

The measurement

StatisticValue
Reported level
Treated¹ Sweetwater Authority Drinking Water
0.11–0.31 mg/L
Reported level
National City Well 2
0.12 mg/L
Reported level
Lake Skinner Outlet (Aqueduct)
0.15 mg/L
Reported level
Sweetwater Reservoir
0.11–0.12 mg/L
Reported level
National City Well 3
0.22 mg/L
Reported level
SD Formation Wells 1 - 11
0.08–0.54 mg/L
Reported level
National City Well 2
0.11–0.13 mg/L
Reported level
Lake Skinner Outlet (Aqueduct)
0.15 mg/L
Reported level
Treated¹ Sweetwater Authority Drinking Water
0.2 mg/L
Reported level
Sweetwater Reservoir
0.12 mg/L
Reported level
National City Well 4
0.16 mg/L
Reported level
SD Formation Wells 1 - 11
0.32 mg/L
Reported level
National City Well 3
0.2–0.23 mg/L
Reported level
National City Well 4
0.15–0.18 mg/L

Verbatim from Chula Vista Sweetwater, CA's 2024 Consumer Confidence Report — source document ↗

About Boron

A naturally occurring element from rock and soil.

No enforceable federal limit; the EPA has issued a health advisory level.

How Chula Vista Sweetwater, CA compares

5 of the 57 systems measuring Boron on The Water Map have it at or above the federal limit:

Nearby systems also reporting Boron:

People also ask

+Is there Boron in Chula Vista Sweetwater, CA tap water?

Yes — Chula Vista Sweetwater, CA's 2024 Consumer Confidence Report lists Boron at 0.08–0.54 mg/L. Chula Vista Sweetwater, CA's 2024 Boron measurement is below the federal limit of 1 mg/L (NL).

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

The federal NL for Boron is 1 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Boron?

A naturally occurring element from rock and soil. No enforceable federal limit; the EPA has issued a health advisory level.

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

5 of the 57 systems on The Water Map measuring Boron report it at or above the federal limit. Examples include Oxnard, CA, Burbank, CA, Inglewood, CA.

+Where does this Boron measurement come from?

This page reproduces the Boron entry from the 2024 Consumer Confidence Report published by the Chula Vista Sweetwater, 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/chula-vista-sweetwater/2024/source.

Full report
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