Drinking water quality · 2020
· Verified
What's in Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA tap water
13 contaminants were measured in the Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2020
- Contaminants measured
- 13
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Lead
- Service area
- CA
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0–43 ug/LRangeDistribution System | None set | At or above the limit |
+By source (2)— Distribution System, Distribution System Range 2
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.26 mg/L90th percentileDistribution System | 1.3 mg/LAction level | Within the limit |
+By source (2)— Distribution System, Distribution System Range 2
| |||
| BariumA metal from erosion of natural deposits and industrial discharge. | 110 ug/LAverageGroundwater | 2000 ug/LMCL | Within the limit |
+By source (2)— Surface Water, Groundwater
| |||
| AluminumA common element sometimes used as a treatment coagulant. | 118 ug/LAverageSurface Water | None set | Detected — no federal limit |
+By source (2)— Surface Water, Groundwater
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 50 ug/LRunning annual avgSystem-wide | None set | Within the limit |
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | 4.5 ug/LRunning annual avgSystem-wide | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 14 ug/LRunning annual avgSystem-wide | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 1.8 mg/LAverageDistribution System | 4 mg/LMCL | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.7 mg/LAverageSurface Water | 4 mg/LMCL | Within the limit |
+By source (3)— Distribution System, Surface Water, Groundwater
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detected pCi/LAverageSurface Water | 0.019 pCi/LMCLG | Within the limit |
+By source (2)— Surface Water, Groundwater
| |||
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | Not detected pCi/LAverageGroundwater | 15 pCi/LMCL | Within the limit |
+By source (2)— Surface Water, Groundwater
| |||
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | Not detected pCi/LAverageSurface Water | None set | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1.3 pCi/LAverageSurface Water | 20 pCi/LMCL | Detected — no federal limit |
+By source (2)— Surface Water, Groundwater
| |||
People also ask about Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA's water
+Is Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA tap water safe to drink in 2020?
The 2020 Consumer Confidence Report for the Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA water utility lists 1 contaminant at or above the federal limit: Lead. 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 Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA tap water?
13 contaminants were measured in Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA's 2020 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 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 Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA tap water?
One contaminant in Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA's 2020 report sits at or above the federal limit: Lead (2.9× 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 Manhattan Beach-city, Water Dept. — Manhattan Beach, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2020 report is Lead, at 2.9× the federal threshold. It belongs to the metals family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from Manhattan Beach-city, Water Dept. — Manhattan Beach, 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 Manhattan Beach-city, Water Dept. — Manhattan Beach, 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.