Metals · 2023
Boron in Sweetwater Authority — Chula Vista, Ca, CA tap water
Sweetwater Authority — Chula Vista, Ca, CA's 2023 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 Sweetwater Authority — Chula Vista, Ca, CA's 2023 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 Sweetwater Authority — Chula Vista, Ca, CA compares
Nearby systems also reporting Boron:
People also ask
+Is there Boron in Sweetwater Authority — Chula Vista, Ca, CA tap water?
Yes — Sweetwater Authority — Chula Vista, Ca, CA's 2023 Consumer Confidence Report lists Boron at 0.08–0.54 mg/L. Sweetwater Authority — Chula Vista, Ca, CA's 2023 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 2023 Consumer Confidence Report published by the Sweetwater Authority — Chula Vista, 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/sweetwater-authority-chula-vista-ca/2023/source.