Drinking water quality · 2022
· Verified
What's in City of La Palma — La Palma, Ca, CA tap water
37 contaminants were measured in the City of La Palma — La Palma, Ca, CA water system's 2022 annual report. Each is shown below against its federal limit — 1 sit at or above that limit.
- Reporting year
- 2022
- Contaminants measured
- 37
- Over federal limit
- 1
- Approaching the limit
- 0
- Worst contaminant
- Turbidity
- Service area
- CA
1.0× the limit
state-level CCR
At or above the federal limit
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 1 NTUAverageAverage Amount | 1 NTUMCL | At or above the limit |
+By source (3)— Local Groundwater, Metropolitan Water District Diemer Filtration Plant, MWD Surface Water
| |||
| AlkalinityA measure of the water's capacity to neutralize acids. | 177 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
+By source (2)— Local Groundwater, MWD Surface Water
| |||
| ColorA measure of visible tint in the water. | 2AverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| HardnessA measure of dissolved calcium and magnesium minerals. | 160 mg/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| OdorA measure of detectable smell in the water. | 2AverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| pHA measure of how acidic or basic the water is. | 8.5AverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 642AverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.4 mg/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 394 mg/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 7.2 ug/LAverageLocal Groundwater | None set | Within the limit |
+By source (2)— Local Groundwater, 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. | Not detected mg/LAverageLocal Groundwater | 2 mg/LMCL | Within the limit |
+By source (2)— Local Groundwater, MWD Surface Water
| |||
| 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. | 105 ug/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| CalciumA naturally occurring mineral that contributes to water hardness. | 43 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
+By source (2)— Local Groundwater, MWD Surface Water
| |||
| LithiumA naturally occurring element found in some groundwater. | 20 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. | 15 mg/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| ManganeseA naturally occurring metal from soil and rock. | 41 ug/LAverageLocal Groundwater | None set | Detected — no federal limit |
+By source (2)— Local Groundwater, MWD Surface Water
| |||
| PotassiumA naturally occurring mineral from rock and soil. | 3.4 mg/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| SodiumA naturally occurring salt component. | 69 ug/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.9 pCi/LAverageLocal Groundwater | 15 pCi/LMCL | Within the limit |
+By source (2)— Local Groundwater, MWD Surface Water
| |||
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | Not detected pCi/LAverageMWD Surface Water | None set | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1 pCi/LAverageMWD Surface Water | 20 pCi/LMCL | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local 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. | 17 ug/LAverageAverage Amount | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 6 ug/LAverageAverage Amount | None set | Within the limit |
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | Not detected ug/LAverageMWD Surface Water | None set | Within the limit |
| Bromodichloroacetic acidA brominated haloacetic acid disinfection byproduct. | Not detected ug/LAverageAverage Amount | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.7 mg/LAverageMWD Surface Water | 4 mg/LMCL | Within the limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0.7 mg/LAverageMWD Surface Water | 10 mg/LMCL | Within the limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| Dibromoacetic acidA brominated haloacetic acid disinfection byproduct. | 0.9 ug/LAverageAverage Amount | None set | Within the limit |
| Bromochloroacetic acidA mixed-halogen haloacetic acid disinfection byproduct. | 0.7 ug/LAverageAverage Amount | None set | Within the limit |
| Chlorodibromoacetic acidA brominated haloacetic acid disinfection byproduct. | 0.6 ug/LAverageAverage Amount | None set | Within the limit |
| Dichloroacetic acidA haloacetic acid disinfection byproduct. | 0.4 ug/LAverageAverage Amount | 0 ug/LMCLG | Within the limit |
| BromideA naturally occurring salt found in source water. | 0.048 mg/LAverageLocal Groundwater | None set | Detected — no federal limit |
| ChlorideA naturally occurring salt compound. | 66 mg/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
| SulfateA naturally occurring mineral from rock and soil. | 122 mg/LAverageMWD Surface Water | None set | Detected — no federal limit |
+By source (2)— MWD Surface Water, Local Groundwater
| |||
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 0.51 mg/LAverageAverage Amount | 4 mg/LMCL | Within the limit |
Source: City of La Palma — La Palma, 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 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 2022?
The 2022 Consumer Confidence Report for the City of La Palma — La Palma, Ca, CA water utility lists 1 contaminant at or above the federal limit: Turbidity. 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 City of La Palma — La Palma, Ca, CA tap water?
37 contaminants were measured in City of La Palma — La Palma, Ca, CA's 2022 Consumer Confidence Report, spanning metals, inorganic chemicals, and physical & aggregate. 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.
+Which contaminants exceed federal limits in City of La Palma — La Palma, Ca, CA tap water?
One contaminant in City of La Palma — La Palma, Ca, CA's 2022 report sits at or above the federal limit: Turbidity (1.0× 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 City of La Palma — La Palma, Ca, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2022 report is Turbidity, at 1.0× the federal threshold. It belongs to the physical & aggregate family of contaminants.
+Where does the data on this page come from?
Every value is transcribed from City of La Palma — La Palma, 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 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 2022 report; a new report will replace it once the utility publishes its next annual update.
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