Drinking water quality · 2020
· Verified
What's in City of La Palma — La Palma, Ca, CA tap water
36 contaminants were measured in the City of La Palma — La Palma, Ca, CA water system's 2020 annual report. Each is shown below against its federal limit.
- Reporting year
- 2020
- Contaminants measured
- 36
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 7 ug/LAverageImported Water Cerritos Groundwater | None set | Within the limit |
+By source (3)— Imported Water Cerritos Groundwater, Local Groundwater, Imported Water MWD Surface Water
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.15 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.111 mg/LAverageImported Water MWD Surface Water | 2 mg/LMCL | Within the limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | None set | None detected |
| AluminumA common element sometimes used as a treatment coagulant. | 141 ug/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
| CalciumA naturally occurring mineral that contributes to water hardness. | 66 mg/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
| GermaniumA trace metalloid found in some source water. | 0.1 ug/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 25 mg/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
| ManganeseA naturally occurring metal from soil and rock. | 56 ug/LAverageImported Water Cerritos Groundwater | None set | Detected — no federal limit |
+By source (4)— Imported Water Cerritos Groundwater, Local Groundwater, MWD Surface Water +1 more
| |||
| PotassiumA naturally occurring mineral from rock and soil. | 4.4 mg/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
| SodiumA naturally occurring salt component. | 94 mg/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Local Groundwater, Imported Water Cerritos Groundwater
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.3 NTUAverageAverage Amount | 1 NTUMCL | Within the limit |
+By source (4)— Local Groundwater, Imported Water Cerritos Groundwater, Metropolitan Water District Diemer Filtration Plant +1 more
| |||
| AlkalinityA measure of the water's capacity to neutralize acids. | 180 mg/LAverageImported Water Cerritos Groundwater | None set | Detected — no federal limit |
+By source (3)— Imported Water Cerritos Groundwater, Local Groundwater, Imported Water MWD Surface Water
| |||
| ColorA measure of visible tint in the water. | 9AverageAverage Amount | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Local Groundwater, Imported Water Cerritos Groundwater
| |||
| HardnessA measure of dissolved calcium and magnesium minerals. | 274 mg/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
| OdorA measure of detectable smell in the water. | 2AverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Local Groundwater, Imported Water Cerritos Groundwater
| |||
| pHA measure of how acidic or basic the water is. | 8.1AverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Local Groundwater, Imported Water Cerritos Groundwater
| |||
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 958AverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.4 mg/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (2)— Imported Water MWD Surface Water, Local Groundwater
| |||
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 597 mg/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.89 pCi/LAverageLocal Groundwater | 15 pCi/LMCL | Within the limit |
+By source (3)— Local Groundwater, Imported Water MWD Surface Water, Imported Water Cerritos Groundwater
| |||
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 5 pCi/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2 pCi/LAverageImported Water MWD Surface Water | 20 pCi/LMCL | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.7 mg/LAverageImported Water MWD Surface Water | 4 mg/LMCL | Within the limit |
+By source (3)— Imported Water MWD Surface Water, Local Groundwater, Imported Water Cerritos Groundwater
| |||
| Bromochloroacetic acidA mixed-halogen haloacetic acid disinfection byproduct. | 0.7 ug/LAverageAverage Amount | None set | Within the limit |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | Not detected mg/LAverageLocal Groundwater | 10 mg/LMCL | Within the limit |
+By source (3)— Local Groundwater, Imported Water Cerritos Groundwater, Imported Water MWD Surface Water
| |||
| BromideA naturally occurring salt found in source water. | 0.05 ug/LAverageLocal Groundwater | None set | Detected — no federal limit |
| ChlorideA naturally occurring salt compound. | 96 mg/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
| SulfateA naturally occurring mineral from rock and soil. | 214 mg/LAverageImported Water MWD Surface Water | None set | Detected — no federal limit |
+By source (3)— Imported Water MWD Surface Water, Imported Water Cerritos Groundwater, Local Groundwater
| |||
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 0.59 mg/LAverageAverage Amount | 4 mg/LMCL | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 2 ug/LAverageAverage Amount | None set | Within the limit |
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | Not detected ug/LAverageImported Water MWD Surface Water | None set | Within the limit |
| Bromodichloroacetic acidA brominated haloacetic acid disinfection byproduct. | 0.3 ug/LAverageAverage Amount | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Tce | Not detected ug/LAverageLocal Groundwater | None set | Within the limit |
+By source (3)— Local Groundwater, Imported Water Cerritos Groundwater, Imported Water MWD Surface Water
| |||
| Dbaa | 0.9 ug/LAverageAverage Amount | None set | Detected — no federal limit |
| Dcaa | 0.4 ug/LAverageAverage Amount | None set | Detected — no federal limit |
Source: City of La Palma — La Palma, 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 La Palma — La Palma, Ca, CA's water
+Is City of La Palma — La Palma, Ca, CA tap water safe to drink in 2020?
Every one of the 36 contaminants measured in City of La Palma — La Palma, 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 La Palma — La Palma, Ca, CA tap water?
36 contaminants were measured in City of La Palma — La Palma, Ca, CA's 2020 Consumer Confidence Report, spanning metals, physical & aggregate, and inorganic chemicals. 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 City of La Palma — La Palma, 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 La Palma — La Palma, 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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