Drinking water quality · 2023
What's in San Bernardino Valley Wd — San Bernardino, Ca, CA tap water
23 contaminants were measured in the San Bernardino Valley Wd — San Bernardino, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit — 5 sit at or above that limit.
- Reporting year
- 2023
- Contaminants measured
- 23
- Over federal limit
- 5
- Approaching the limit
- 0
- Worst contaminant
- Perfluorohexanesulfonic acid
- Service area
- CA
- Perfluorohexanesulfonic acidPFAS ("forever chemicals") · Reported level0–229 ng/Llimit 3 ng/L · 22.9× the limit
- LeadMetals · Reported level40 ug/L
- PFOSPFAS ("forever chemicals") · Reported level0–8.3 ng/Llimit 6.5 ng/L · 2.1× the limit
- PFOAPFAS ("forever chemicals") · Reported level0–5.3 ng/Llimit 5.1 ng/L · 1.3× the limit
- FluorideInorganic chemicals · Reported level4 mg/Llimit 4 mg/L · 1.0× the limit
Compliance history
Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.
- Maximum contaminant level exceededHealth-based1 violation on record · most recent Apr 1992resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | 0–229 ng/LReported levelBaseline Feeder 3 | 3 ng/LNL | At or above the limit |
+By source (4)— Baseline Feeder 3, Fluidized Bed Reactors (FBR), Ion Exchange Perchlorate Treatment +1 more
| |||
| PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. | 0–8.3 ng/LReported levelIon Exchange Perchlorate Treatment | 6.5 ng/LNL | At or above the limit |
+By source (4)— Ion Exchange Perchlorate Treatment, Baseline Feeder 3, Fluidized Bed Reactors (FBR) +1 more
| |||
| PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. | 0–5.3 ng/LReported levelIon Exchange Perchlorate Treatment | 5.1 ng/LNL | At or above the limit |
+By source (4)— Ion Exchange Perchlorate Treatment, Baseline Feeder 3, Fluidized Bed Reactors (FBR) +1 more
| |||
| Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' | 2.5–13 ng/LReported levelFluidized Bed Reactors (FBR) | 500 ng/LNL | Detected — no federal limit |
+By source (4)— Fluidized Bed Reactors (FBR), Baseline Feeder 3, Ion Exchange Perchlorate Treatment +1 more
| |||
| PFAS | 0–2.5Reported levelBaseline Feeder 3 | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 40 ug/LReported levelSystem-wide | None set | At or above the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 0.38–7.6 ug/LReported levelWells | None set | Within the limit |
+By source (6)— Wells, Baseline Feeder3, Lytle Creek +3 more
| |||
| CopperA metal that enters water from corroding household plumbing. | 90 ug/LReported levelResult Type | 1300 ug/LAction level | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 4 mg/LReported levelHealth Effects | 4 mg/LMCL | At or above the limit |
+By source (6)— Health Effects, Fluidized Bed Reactors (FBR), Baseline Feeder3 +3 more
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 2–7.4 mg/LReported levelIon Exchange Perchlorate Treatment | 10 mg/LMCL | Within the limit |
+By source (5)— Ion Exchange Perchlorate Treatment, Baseline Feeder3, Fluidized Bed Reactors (FBR) +2 more
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 1.08–2.51 mg/LReported levelFluidized Bed Reactors (FBR) | 4 mg/LMCL | Within the limit |
+By source (4)— Fluidized Bed Reactors (FBR), Ion Exchange Perchlorate Treatment, Oliver P. Roemer Filtration Facility +1 more
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 0–46.4 ug/LReported levelSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 0–16.6 ug/LReported levelSystem-wide | None set | Within the limit |
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 0–0.59Reported levelBaseline Feeder 3 | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 2.4 pCi/LReported levelBaseline Feeder3 | 5 pCi/LMCL | Within the limit |
+By source (3)— Baseline Feeder3, Fluidized Bed Reactors (FBR), Wells
| |||
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.7 pCi/LReported levelIon Exchange Perchlorate Treatment | 15 pCi/LMCL | Within the limit |
+By source (5)— Ion Exchange Perchlorate Treatment, Baseline Feeder3, Lytle Creek +2 more
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1.8–3.2 pCi/LReported levelBaseline Feeder3 | 20 pCi/LMCL | Detected — no federal limit |
+By source (3)— Baseline Feeder3, Fluidized Bed Reactors (FBR), Wells
| |||
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing. | 0–0.51 ug/LReported levelIon Exchange Perchlorate Treatment | 5 ug/LMCL | Within the limit |
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | 0–0.31 ug/LReported levelFluidized Bed Reactors (FBR) | 5 ug/LMCL | Within the limit |
| MTBE | 0–0.83 ug/LReported levelFluidized Bed Reactors (FBR) | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium | 0.58–3.1 ug/LReported levelBaseline Feeder3 | None set | Within the limit |
+By source (6)— Baseline Feeder3, Ion Exchange Perchlorate Treatment, Wells +3 more
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 1 %Reported levelSystem-wide | None set | Detected — no federal limit |
+By source (6)— Baseline Feeder3, Wells, Lytle Creek +3 more
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 0.26–2 mg/LReported levelOliver P. Roemer Filtration Facility | None set | Detected — no federal limit |
+By source (2)— Oliver P. Roemer Filtration Facility, Fluidized Bed Reactors (FBR)
| |||
People also ask about San Bernardino Valley Wd — San Bernardino, Ca, CA's water
+Is San Bernardino Valley Wd — San Bernardino, Ca, CA tap water safe to drink in 2023?
The 2023 Consumer Confidence Report for the San Bernardino Valley Wd — San Bernardino, Ca, CA water utility lists 5 contaminants at or above the federal limit: Perfluorohexanesulfonic acid, Lead, PFOS, PFOA, and Fluoride. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in San Bernardino Valley Wd — San Bernardino, Ca, CA tap water?
23 contaminants were measured in San Bernardino Valley Wd — San Bernardino, Ca, CA's 2023 Consumer Confidence Report, spanning pfas ("forever chemicals"), disinfection byproducts, and metals. 13 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in San Bernardino Valley Wd — San Bernardino, Ca, CA tap water?
5 contaminants in San Bernardino Valley Wd — San Bernardino, Ca, CA's 2023 report sit at or above the federal limit: Perfluorohexanesulfonic acid (22.9× the limit); Lead (2.7× the limit); PFOS (2.1× the limit); PFOA (1.3× the limit); Fluoride (1.0× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in San Bernardino Valley Wd — San Bernardino, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2023 report is Perfluorohexanesulfonic acid, at 22.9× the federal threshold. It belongs to the pfas ("forever chemicals") family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from San Bernardino Valley Wd — San Bernardino, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is San Bernardino Valley Wd — San Bernardino, Ca, CA's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2023 report; a new report will replace it once the utility publishes its next annual update.