Drinking water quality · 2022

· Verified

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

20 contaminants were measured in the Maywood Mutual Water Co. #2 — Maywood, Ca, CA water system's 2022 annual report. Each is shown below against its federal limit.

Reporting year
2022
Contaminants measured
20
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.43 ug/LRunning annual avgDistribution System Highest RunningWithin the limit
+By source (2)Distribution System, Distribution System Highest Running
  • Distribution SystemZone
    range18–27.3 ug/L85% of limit
  • Distribution System Highest RunningZone
    avg43 ug/L54% of limit
HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.9.5 ug/LRunning annual avgDistribution System Highest RunningWithin the limit
+By source (2)Distribution System, Distribution System Highest Running
  • Distribution SystemZone
    range2–17 ug/L28% of limit
  • Distribution System Highest RunningZone
    avg9.5 ug/L16% 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
ArsenicA naturally occurring element that also enters water from industry and agriculture.Not detected ug/LAverageMWD'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
BariumA metal from erosion of natural deposits and industrial discharge.Not detected mg/LAverageGroundwaterNone 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
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.0.11 mg/LAverageMWD's Surface WaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg0.11 mg/Lrange0–0.07 mg/L
  • GroundwaterPlant
    avgNot detected mg/LrangeNot detected mg/L
LithiumA naturally occurring element found in some groundwater.11.2 ug/LAverageSystem-wideDetected — no federal limit

Other

ContaminantMeasuredStatus
Chlorine Total1.05 mg/LRunning annual avgDistribution System Highest RunningWithin the limit
+By source (2)Distribution System, Distribution System Highest Running
  • Distribution SystemZone
    range0.29–2.4 mg/L60% of limit
  • Distribution System Highest RunningZone
    avg1.05 mg/L26% of limit

Physical & aggregate

ContaminantMeasuredStatus
TurbidityA measure of cloudiness from suspended particles in the water.0.2 NTUAverageDistribution SystemWithin the limit
TOCTotal organic carbon — a measure of organic material dissolved in the water.1.05 mg/LRunning annual avgDistribution System Highest RunningDetected — no federal limit
+By source (2)Distribution System, Distribution System Highest Running
  • Distribution SystemZone
    range0.8–1.3 mg/L
  • Distribution System Highest RunningZone
    avg1.05 mg/L

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/Lrange0.6–0.8 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.Not detected mg/LRangeMWD's Surface WaterNone detected
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avgNot detected mg/LrangeNot detected mg/L0% of limit
  • GroundwaterPlant
    avgNot detected mg/LrangeNot detected mg/L0% of 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 (3)Distribution System Range % Positive, Distribution System Average % Positive, Distribution System
  • Distribution System Range % PositiveZone
    range0 %
  • Distribution System Average % PositiveZone
    avg0 %
  • Distribution SystemZone
    range0
Total ColiformA group of bacteria used as an indicator of overall water-system sanitation.0 %RangeDistribution System Range % PositiveNone detected
+By source (3)Distribution System Range % Positive, Distribution System, Distribution System Average % Positive
  • Distribution System Range % PositiveZone
    range0 %
  • Distribution SystemZone
    range0
  • Distribution System Average % PositiveZone
    avg0 %

Radionuclides

ContaminantMeasuredStatus
Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements.Not detectedAverageMWD's Surface WaterNone detected
+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 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.Not detectedAverageMWD'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

Disinfectants

ContaminantMeasuredStatus
ChlorineA disinfectant added to drinking water to kill bacteria and viruses.0.02–0.8RangeDistribution SystemDetected — no federal limit
Source: Maywood Mutual Water Co. #2 — Maywood, Ca, CA's 2022 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 2022?

Every one of the 20 contaminants measured in Maywood Mutual Water Co. #2 — Maywood, Ca, CA's 2022 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?

20 contaminants were measured in Maywood Mutual Water Co. #2 — Maywood, Ca, CA's 2022 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 2022 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 2022 report; a new report will replace it once the utility publishes its next annual update.

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