Drinking water quality · 2020

· Verified

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

16 contaminants were measured in the City of Bell Gardens — Downey, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit.

Reporting year
2020
Contaminants measured
16
Over federal limit
0
Approaching the limit
0
Service area
CA
state-level CCR
Source
Utility CCR
All within federal limits. Every measured contaminant in this report is below its federal threshold.

Other

ContaminantMeasuredStatus
Chlorine Total1.6 mg/LRunning annual avgDistribution System HighestWithin the limit
+By source (2)Distribution System, Distribution System Highest
  • Distribution SystemZone
    range0.23–2.54 mg/L64% of limit
  • Distribution System HighestZone
    avg1.6 mg/L40% of limit

Disinfection byproducts

ContaminantMeasuredStatus
TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.23 ug/LRunning annual avgDistribution System HighestWithin the limit
+By source (2)Distribution System, Distribution System Highest
  • Distribution SystemZone
    range1.2–33.5 ug/L42% of limit
  • Distribution System HighestZone
    avg23 ug/L29% of limit
HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.4.2 ug/LRunning annual avgDistribution System HighestWithin the limit
+By source (2)Distribution System, Distribution System Highest
  • Distribution SystemZone
    range0–9 ug/L15% of limit
  • Distribution System HighestZone
    avg4.2 ug/L7% of limit

Metals

ContaminantMeasuredStatus
ArsenicA naturally occurring element that also enters water from industry and agriculture.2.2 ug/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg2.2 ug/Lrange2.2 ug/L22% of limit
  • MWD's Surface WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
CopperA metal that enters water from corroding household plumbing.0.23 mg/L90th percentileBell Gardens System TapWithin the limit
BariumA metal from erosion of natural deposits and industrial discharge.0.11 mg/LAverageMWD's Surface WaterWithin the limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg0.11 mg/Lrange0.11 mg/L6% of limit
  • GroundwaterPlant
    avgNot detected mg/LrangeNot detected mg/L0% of limit
AluminumA common element sometimes used as a treatment coagulant.0.14 mg/LAverageMWD's Surface WaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg0.14 mg/Lrange0–0.24 mg/L
  • GroundwaterPlant
    avgNot detected mg/LrangeNot detected mg/L
ManganeseA naturally occurring metal from soil and rock.1.8 ug/LAverageSystem-wideDetected — no federal limit

Inorganic chemicals

ContaminantMeasuredStatus
NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits.2 mg/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg2 mg/Lrange2 mg/L20% of limit
  • MWD's Surface WaterPlant
    avgNot detected mg/LrangeNot detected mg/L0% of limit
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/Lrange0.6–0.9 mg/L23% of limit
  • GroundwaterPlant
    avg0.3 mg/Lrange0.3 mg/L8% of limit

Physical & aggregate

ContaminantMeasuredStatus
TurbidityA measure of cloudiness from suspended particles in the water.0.1 NTUAverageDistribution SystemWithin the limit

Microbial

ContaminantMeasuredStatus
Total ColiformA group of bacteria used as an indicator of overall water-system sanitation.0AverageDistribution System Average # PositiveDetected — no federal limit
+By source (2)Distribution System Range # Positive, Distribution System Average # Positive
  • Distribution System Range # PositiveZone
    range0–1
  • Distribution System Average # PositiveZone
    avg0

Radionuclides

ContaminantMeasuredStatus
Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements.0.1AverageGroundwaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avgNot detectedrange0–1
  • GroundwaterPlant
    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 detectedrange0–3
  • GroundwaterPlant
    avgNot detectedrangeNot detected
Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances.5AverageMWD's Surface WaterDetected — no federal limit
UraniumA naturally occurring radioactive metal from erosion of natural deposits.2AverageMWD's Surface WaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg2range1–3
  • GroundwaterPlant
    avgNot detectedrangeNot detected
Source: City of Bell Gardens — Downey, Ca, CA's 2020 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 2020?

Every one of the 16 contaminants measured in City of Bell Gardens — Downey, Ca, CA's 2020 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.

+What contaminants are in City of Bell Gardens — Downey, Ca, CA tap water?

16 contaminants were measured in City of Bell Gardens — Downey, Ca, CA's 2020 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 9 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.

+Where does the data on this page come from?

Every value is transcribed from City of Bell Gardens — Downey, Ca, CA's 2020 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 2020 report; a new report will replace it once the utility publishes its next annual update.

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