Metals · 2024
Boron in Chula Vista Sweetwater, CA tap water
Chula Vista Sweetwater, CA's 2024 report shows Boron detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level National City Well 2 | 0.11–0.13 mg/L | 1 mg/L NL |
Reported level National City Well 3 | 0.2–0.23 mg/L | 1 mg/L NL |
Reported level National City Well 4 | 0.15–0.18 mg/L | 1 mg/L NL |
Reported level SD Formation Wells 1 - 11 | 0.08–0.54 mg/L | 1 mg/L NL |
Reported level Lake Skinner Outlet (Aqueduct) | 0.15 mg/L | 1 mg/L NL |
Reported level Sweetwater Reservoir | 0.11–0.12 mg/L | 1 mg/L NL |
Reported level Treated¹ Sweetwater Authority Drinking Water | 0.11–0.31 mg/L | 1 mg/L NL |
Reported level National City Well 2 | 0.12 mg/L | 1 mg/L NL |
Reported level National City Well 3 | 0.22 mg/L | 1 mg/L NL |
Reported level National City Well 4 | 0.16 mg/L | 1 mg/L NL |
Reported level SD Formation Wells 1 - 11 | 0.32 mg/L | 1 mg/L NL |
Reported level Lake Skinner Outlet (Aqueduct) | 0.15 mg/L | 1 mg/L NL |
Reported level Sweetwater Reservoir | 0.12 mg/L | 1 mg/L NL |
Reported level Treated¹ Sweetwater Authority Drinking Water | 0.2 mg/L | 1 mg/L NL |
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
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 report shows Boron detected, but the EPA has not set an enforceable federal limit for it.
+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.
+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.