Drinking water quality · 2023

· Verified

What's in Maywood Mutual Water Co. #2 — Maywood, Ca, CA tap water

17 contaminants were measured in the Maywood Mutual Water Co. #2 — Maywood, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.

Reporting year
2023
Contaminants measured
17
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.

Disinfection byproducts

ContaminantMeasuredStatus
TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.44.5 ug/LRunning annual avgDistribution System Highest RunningWithin the limit
+By source (2)Distribution System, Distribution System Highest Running
  • Distribution SystemZone
    range19.6–61.4 ug/L77% of limit
  • Distribution System Highest RunningZone
    avg44.5 ug/L56% of limit
HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.11.2 ug/LRunning annual avgDistribution System Highest RunningWithin the limit
+By source (2)Distribution System, Distribution System Highest Running
  • Distribution SystemZone
    range5.1–15.7 ug/L26% of limit
  • Distribution System Highest RunningZone
    avg11.2 ug/L19% of limit

Metals

ContaminantMeasuredStatus
CopperA metal that enters water from corroding household plumbing.0.54 mg/L90th percentileDISTRIBUTION SYSTEM 90th PERCENTILE (h)Within 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
ArsenicA naturally occurring element that also enters water from industry and agriculture.Not detected ug/LRangeMWD's Surface WaterNone detected
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
  • GroundwaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.Not detected ug/L90th percentileDISTRIBUTION SYSTEM 90th PERCENTILE (h)None detected
AluminumA common element sometimes used as a treatment coagulant.0.15 mg/LAverageMWD's Surface WaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg0.15 mg/Lrange58–0.24 mg/L
  • GroundwaterPlant
    avgNot detected mg/LrangeNot detected mg/L

Other

ContaminantMeasuredStatus
Chlorine Total1.34 mg/LRunning annual avgDistribution System Highest RunningWithin the limit
+By source (2)Distribution System, Distribution System Highest Running
  • Distribution SystemZone
    range0.08–2.7 mg/L68% of limit
  • Distribution System Highest RunningZone
    avg1.34 mg/L34% of 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/Lrange0.4–0.9 mg/L23% of limit
  • GroundwaterPlant
    avg0.3 mg/Lrange0.3 mg/L8% of limit
NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits.Not detected mg/LRangeGroundwaterNone detected
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avgNot detected mg/LrangeNot detected mg/L0% of limit
  • MWD's Surface WaterPlant
    avgNot detected mg/LrangeNot detected mg/L0% of limit

Physical & aggregate

ContaminantMeasuredStatus
TurbidityA measure of cloudiness from suspended particles in the water.0.17 NTUAverageDistribution SystemWithin the limit

Microbial

ContaminantMeasuredStatus
Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals.0 %RangeDistribution 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 %
Total ColiformA group of bacteria used as an indicator of overall water-system sanitation.0 %AverageDistribution System Average % PositiveDetected — no federal limit
+By source (2)Distribution System Range % Positive, Distribution System Average % Positive
  • Distribution System Range % PositiveZone
    range0–0.08 %
  • Distribution System Average % PositiveZone
    avg0 %

Radionuclides

ContaminantMeasuredStatus
Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements.Not detectedAverageMWD's Surface WaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avgNot detectedrangeNot detected
  • GroundwaterPlant
    avgNot detectedrangeNot detected
Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances.Not detectedAverageGroundwaterDetected — 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.6AverageMWD'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: Maywood Mutual Water Co. #2 — Maywood, 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 Maywood Mutual Water Co. #2 — Maywood, Ca, CA's water

+Is Maywood Mutual Water Co. #2 — Maywood, Ca, CA tap water safe to drink in 2023?

Every one of the 17 contaminants measured in Maywood Mutual Water Co. #2 — Maywood, Ca, CA's 2023 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 Maywood Mutual Water Co. #2 — Maywood, Ca, CA tap water?

17 contaminants were measured in Maywood Mutual Water Co. #2 — Maywood, Ca, CA's 2023 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 8 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 Maywood Mutual Water Co. #2 — Maywood, 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 Maywood Mutual Water Co. #2 — Maywood, 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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