PFAS ("forever chemicals") · 2024
Perfluorobutanesulfonic acid in Chula Vista Sweetwater, CA tap water
Chula Vista Sweetwater, CA's 2024 Consumer Confidence Report shows Perfluorobutanesulfonic acid at or above the federal limit (1 ng/L MCL). Measured value is 11.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Treated¹ Sweetwater Authority Drinking Water | 3.6 ng/L | 1 ng/L MCL |
Reported level SD Formation Wells 1 - 11 | Not detected ng/L | 1 ng/L MCL |
Reported level National City Well 3 | Not detected ng/L | 1 ng/L MCL |
Reported level Lake Skinner Outlet (Aqueduct) | Not detected ng/L | 1 ng/L MCL |
Reported level Lake Skinner Outlet (Aqueduct) | Not detected ng/L | 1 ng/L MCL |
Reported level SD Formation Wells 1 - 11 | 0–11 ng/L | 1 ng/L MCL |
Reported level National City Well 4 | Not detected ng/L | 1 ng/L MCL |
Reported level National City Well 2 | Not detected ng/L | 1 ng/L MCL |
Reported level National City Well 4 | Not detected ng/L | 1 ng/L MCL |
Reported level National City Well 2 | Not detected ng/L | 1 ng/L MCL |
Reported level National City Well 3 | Not detected ng/L | 1 ng/L MCL |
Reported level Treated¹ Sweetwater Authority Drinking Water | 0–10.7 ng/L | 1 ng/L MCL |
Verbatim from Chula Vista Sweetwater, CA's 2024 Consumer Confidence Report — source document ↗
About Perfluorobutanesulfonic acid
Perfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.'
Has no standalone limit but is part of the EPA PFAS Hazard Index that limits PFAS in combination.
How Chula Vista Sweetwater, CA compares
5 of the 146 systems measuring Perfluorobutanesulfonic acid on The Water Map have it at or above the federal limit:
Nearby systems also reporting Perfluorobutanesulfonic acid:
People also ask
+Is there Perfluorobutanesulfonic acid in Chula Vista Sweetwater, CA tap water?
Yes — Chula Vista Sweetwater, CA's 2024 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 0–11 ng/L. Chula Vista Sweetwater, CA's 2024 Consumer Confidence Report shows Perfluorobutanesulfonic acid at or above the federal limit (1 ng/L MCL). Measured value is 11.0× the threshold.
+What's the federal limit for Perfluorobutanesulfonic acid in drinking water?
The federal MCL for Perfluorobutanesulfonic acid is 1 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Perfluorobutanesulfonic acid?
Perfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' Has no standalone limit but is part of the EPA PFAS Hazard Index that limits PFAS in combination.
+Which other U.S. cities have Perfluorobutanesulfonic acid over the federal limit?
5 of the 146 systems on The Water Map measuring Perfluorobutanesulfonic acid report it at or above the federal limit. Examples include Gilbert, AZ, Charleston, SC, North Charleston, SC.
+Where does this Perfluorobutanesulfonic acid measurement come from?
This page reproduces the Perfluorobutanesulfonic acid 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.