Drinking water quality · 2023

· Verified

What's in Lynwood-city, Water Dept. — Lynwood, Ca, CA tap water

26 contaminants were measured in the Lynwood-city, Water Dept. — Lynwood, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.

Browse the mapFull source report ↗
Reporting year
2023
Contaminants measured
26
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.

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.

No federal drinking-water violations on record for this system.

Metals

ContaminantMeasuredStatus
ArsenicA naturally occurring element that also enters water from industry and agriculture.3.3 ug/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg3.3 ug/Lrange2.4–5.3 ug/L53% of limit
  • MWD's Surface WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
CopperA metal that enters water from corroding household plumbing.0.225 mg/L90th percentileDISTRIBUTION SYSTEM 90%ileWithin the limit
BariumA metal from erosion of natural deposits and industrial discharge.0.13 mg/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg0.13 mg/Lrange0.11–0.16 mg/L8% of limit
  • MWD's Surface WaterPlant
    avg0.12 mg/LrangeNot detected mg/L6% of limit
Chromium, TotalTotal chromium — the sum of all chromium forms, from natural deposits and industrial discharge.4.1 ug/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg4.1 ug/Lrange0–11 ug/L11% of limit
  • MWD's Surface WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
AluminumA common element sometimes used as a treatment coagulant.0.05 mg/LAverageMWD's Surface WaterDetected — no federal limit
+By source (2)MWD's Surface Water, Groundwater
  • MWD's Surface WaterPlant
    avg0.05 mg/Lrange0–0.15 mg/L
  • GroundwaterPlant
    avgNot detected mg/LrangeNot detected mg/L
Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium.5.1 ug/LAverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg5.1 ug/Lrange0.19–13 ug/L
  • MWD's Surface WaterPlant
    avgNot detected ug/LrangeNot detected ug/L
LithiumA naturally occurring element found in some groundwater.10.88 ug/LAverageSystem-wideDetected — no federal limit

Other

ContaminantMeasuredStatus
Chlorine Total1.2 mg/LAverageDistribution SystemWithin the limit

VOCs & pesticides

ContaminantMeasuredStatus
TetrachloroethyleneAn industrial solvent (PCE) used in dry cleaning and degreasing.1.03 ug/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg1.03 ug/Lrange0–2.1 ug/L42% of limit
  • MWD's Surface WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing.0.84 ug/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg0.84 ug/Lrange0–2 ug/L40% of limit
  • MWD's Surface WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% 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/Lrange0.3–0.8 mg/L20% of limit
  • GroundwaterPlant
    avg0.33 mg/Lrange0.29–0.37 mg/L9% of limit
NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits.1.2 mg/LAverageGroundwaterWithin the limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg1.2 mg/Lrange0.68–1.6 mg/L16% of limit
  • MWD's Surface WaterPlant
    avgNot detected mg/LrangeNot detected mg/L0% of limit

Disinfection byproducts

ContaminantMeasuredStatus
TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.8 ug/LAverageDistribution SystemWithin the limit
HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.0.5 ug/LAverageDistribution SystemWithin the limit

Microbial

ContaminantMeasuredStatus
Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals.0 %AverageDistribution System Average % PositiveNone detected
+By source (2)Distribution System Average % Positive, Distribution System Range % Positive
  • Distribution System Average % PositiveZone
    avg0 %
  • Distribution System Range % PositiveZone
    range0 %
Total ColiformA group of bacteria used as an indicator of overall water-system sanitation.0.2 %AverageDistribution System Average % PositiveDetected — no federal limit
+By source (2)Distribution System Range % Positive, Distribution System Average % Positive
  • Distribution System Range % PositiveZone
    range0–1.3 %
  • Distribution System Average % PositiveZone
    avg0.2 %

PFAS ("forever chemicals")

ContaminantMeasuredStatus
Hexafluoropropylene oxide dimer acidHFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound.0.0009AverageSystem-wideDetected — no federal limit
Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.'0.0009AverageSystem-wideDetected — no federal limit
Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.'0.0003AverageSystem-wideDetected — no federal limit
Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'0.00059AverageSystem-wideDetected — no federal limit
PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products.0.001AverageSystem-wideDetected — no federal limit
PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings.0.004AverageSystem-wideDetected — no federal limit

Radionuclides

ContaminantMeasuredStatus
Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements.0.25AverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avgNot detectedrangeNot detected
  • MWD's Surface WaterPlant
    avgNot detectedrangeNot detected
Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances.2.8AverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg2.8range0–5.3
  • MWD's Surface WaterPlant
    avgNot detectedrange0–5
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.2.87AverageGroundwaterDetected — no federal limit
+By source (2)Groundwater, MWD's Surface Water
  • GroundwaterPlant
    avg2.87range1.5–4.1
  • MWD's Surface WaterPlant
    avg0.5range0–3
Source: Lynwood-city, Water Dept. — Lynwood, 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 Lynwood-city, Water Dept. — Lynwood, Ca, CA's water

+Is Lynwood-city, Water Dept. — Lynwood, Ca, CA tap water safe to drink in 2023?

Every one of the 26 contaminants measured in Lynwood-city, Water Dept. — Lynwood, 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 Lynwood-city, Water Dept. — Lynwood, Ca, CA tap water?

26 contaminants were measured in Lynwood-city, Water Dept. — Lynwood, Ca, CA's 2023 Consumer Confidence Report, spanning metals, pfas ("forever chemicals"), and radionuclides. 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 Lynwood-city, Water Dept. — Lynwood, 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 Lynwood-city, Water Dept. — Lynwood, 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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