Drinking water quality · 2023

· Verified

What's in City of Bell Gardens — Downey, Ca, CA tap water

26 contaminants were measured in the City of Bell Gardens — Downey, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit 2 sit at or above that limit.

Reporting year
2023
Contaminants measured
26
Over federal limit
2
Approaching the limit
0
Worst contaminant
PFOS
6.2× the limit
Service area
CA
state-level CCR
Source
Utility CCR

PFAS ("forever chemicals")

ContaminantMeasuredStatus
PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings.24.8 ng/LAverageGroundwaterAt or above the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg24.8 ng/Lrange23–27 ng/L675% of limit
  • MWD's Surface WaterPlant
    avgNot detected ng/LrangeNot detected ng/L0% of limit
PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products.12.5 ng/LAverageGroundwaterAt or above the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg12.5 ng/Lrange11–14 ng/L350% of limit
  • MWD's Surface WaterPlant
    avgNot detected ng/LrangeNot detected ng/L0% of limit
Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.'3.3 ng/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg3.3 ng/Lrange3–3.7 ng/L37% of limit
  • MWD's Surface WaterPlant
    avgNot detected ng/LrangeNot detected ng/L0% of limit
Perfluorononanoic acidPerfluorononanoic acid, a PFAS 'forever chemical.'2.7 ng/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg2.7 ng/Lrange2.4–3.1 ng/L31% of limit
  • MWD's Surface WaterPlant
    avgNot detected ng/LrangeNot detected ng/L0% of limit
Perfluorobutanesulfonic acidPerfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.'5.1 ng/LAverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg5.1 ng/Lrange4.5–5.8 ng/L
  • MWD's Surface WaterPlant
    avgNot detected ng/LrangeNot detected ng/L
Perfluorodecanoic acid (PFDA)Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.'1.7 ng/LAverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg1.7 ng/Lrange0–2.6 ng/L
  • MWD's Surface WaterPlant
    avgNot detected ng/LrangeNot detected ng/L
Perfluoroheptanoic acidPerfluoroheptanoic acid, a PFAS 'forever chemical.'3.9 ng/LAverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg3.9 ng/Lrange3.2–4.5 ng/L
  • MWD's Surface WaterPlant
    avgNot detected ng/LrangeNot detected ng/L
Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.'7.7 ng/LAverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg7.7 ng/Lrange6.7–8.6 ng/L
  • MWD's Surface WaterPlant
    avgNot detected ng/LrangeNot detected ng/L
Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'0.002 ug/LAverageUg/LDetected — no federal limit

Disinfection byproducts

ContaminantMeasuredStatus
TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.43.6 ug/LRunning annual avgDistribution System HighestWithin the limit
+By source (2)Distribution System, Distribution System Highest
  • Distribution SystemZone
    range33.1–53.5 ug/L67% of limit
  • Distribution System HighestZone
    avg43.6 ug/L55% of limit
HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.12.2 ug/LRunning annual avgDistribution System HighestWithin the limit
+By source (2)Distribution System Highest, Distribution System
  • Distribution System HighestZone
    avg12.2 ug/L20% of limit
  • Distribution SystemZone
    range6.5–11.8 ug/L20% of limit

Other

ContaminantMeasuredStatus
Chlorine Total2.16 mg/LRunning annual avgDistribution System HighestWithin the limit
+By source (2)Distribution System, Distribution System Highest
  • Distribution SystemZone
    range1.8–2.6 mg/L65% of limit
  • Distribution System HighestZone
    avg2.16 mg/L54% of limit

Metals

ContaminantMeasuredStatus
ArsenicA naturally occurring element that also enters water from industry and agriculture.1.9 ug/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg1.9 ug/Lrange1.9 ug/L19% of limit
  • MWD's Surface WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
BariumA metal from erosion of natural deposits and industrial discharge.0.124 ug/LAverageMWD's Surface WaterWithin the limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg0.124 ug/Lrange0–0.124 ug/L0% of limit
  • GroundwaterPlant
    avg0.051 ug/Lrange0.051 ug/L0% of limit
CopperA metal that enters water from corroding household plumbing.0.057 ug/L90th percentileBell Gardens System TapWithin the limit
AluminumA common element sometimes used as a treatment coagulant.46.5 ug/LAverageMWD's Surface WaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg46.5 ug/Lrange0–150 ug/L
  • GroundwaterPlant
    avgNot detected ug/LrangeNot detected ug/L
Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium.0.6 ug/LAverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg0.6 ug/Lrange0.6 ug/L
  • MWD's Surface WaterPlant
    avgNot detected ug/LrangeNot detected ug/L
LithiumA naturally occurring element found in some groundwater.31.5 ug/LAverageUg/LDetected — no federal limit

Inorganic chemicals

ContaminantMeasuredStatus
FluorideA mineral often added to drinking water to help prevent tooth decay.0.7 mg/LAverageMWD's Surface WaterWithin the limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg0.7 mg/Lrange0.3–0.8 mg/L20% of limit
  • GroundwaterPlant
    avg0.3 mg/Lrange0.3 mg/L8% of limit
NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits.1.6 mg/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg1.6 mg/Lrange1.6 mg/L16% of limit
  • MWD's Surface WaterPlant
    avgNot detected mg/LrangeNot detected mg/L0% of limit

Microbial

ContaminantMeasuredStatus
Total ColiformA group of bacteria used as an indicator of overall water-system sanitation.0RangeDistribution System Range # PositiveNone detected
+By source (2)Distribution System Range # Positive, Distribution System Average # Positive
  • Distribution System Range # PositiveZone
    range0
  • Distribution System Average # PositiveZone
    avg0

Physical & aggregate

ContaminantMeasuredStatus
TurbidityA measure of cloudiness from suspended particles in the water.Not detected NTUAverageDistribution SystemWithin the limit

Radionuclides

ContaminantMeasuredStatus
Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements.0.1AverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avgNot detectedrange0.1
  • MWD's Surface WaterPlant
    avgNot detectedrangeNot detected
Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances.Not detectedAverageMWD's Surface WaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avgNot detectedrange0–5
  • GroundwaterPlant
    avgNot detectedrangeNot detected
Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances.2AverageMWD's Surface WaterDetected — no federal limit
UraniumA naturally occurring radioactive metal from erosion of natural deposits.0.5AverageMWD's Surface WaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg0.5range0–3
  • GroundwaterPlant
    avgNot detectedrangeNot detected
Source: City of Bell Gardens — Downey, Ca, CA's 2023 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.

People also ask about City of Bell Gardens — Downey, Ca, CA's water

+Is City of Bell Gardens — Downey, Ca, CA tap water safe to drink in 2023?

The 2023 Consumer Confidence Report for the City of Bell Gardens — Downey, Ca, CA water utility lists 2 contaminants at or above the federal limit: PFOS and PFOA. 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 City of Bell Gardens — Downey, Ca, CA tap water?

26 contaminants were measured in City of Bell Gardens — Downey, Ca, CA's 2023 Consumer Confidence Report, spanning pfas ("forever chemicals"), metals, and radionuclides. 7 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 City of Bell Gardens — Downey, Ca, CA tap water?

2 contaminants in City of Bell Gardens — Downey, Ca, CA's 2023 report sit at or above the federal limit: PFOS (6.2× the limit); PFOA (3.1× 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 City of Bell Gardens — Downey, Ca, CA tap water?

The contaminant with the highest measured value relative to its federal limit in the 2023 report is PFOS, at 6.2× 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 City of Bell Gardens — Downey, 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 City of Bell Gardens — Downey, 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.

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