Drinking water quality · 2023
· Verified
What's in Moulton Niguel Water District — Laguna Hills, Ca, CA tap water
35 contaminants were measured in the Moulton Niguel Water District — Laguna Hills, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 35
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
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.
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 24 ug/LAverageAnnual | None set | Within the limit |
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | Not detected ug/LAverageAverage Amount | None set | Within the limit |
| Chlorite | Not detected mg/LAverageAverage Amount | 1 mg/LMCL | Within the limit |
| ChlorateA byproduct that can form during disinfection, especially when hypochlorite solutions degrade. | 77 ug/LAverageAverage Amount | 800 ug/LNL | Detected — no federal limit |
| N-Nitrosodi-n-butylamine | 2.5 ng/LAverageAverage Amount | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 3.8 pCi/LAverageAverage Amount | 15 pCi/LMCL | Within the limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 4.6 pCi/LAverageAverage Amount | None set | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2.2 pCi/LAverageAverage Amount | 20 pCi/LMCL | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 1.9 ug/LAverageAverage Amount | None set | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 0.103 mg/LAverageAnnual | None set | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.129 mg/LAverageAverage Amount | 2 mg/LMCL | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/LAverageAnnual | None set | None detected |
| AluminumA common element sometimes used as a treatment coagulant. | Not detected mg/LAverageAverage Amount | None set | Detected — no federal limit |
| BoronA naturally occurring element from rock and soil. | 0.14 mg/LAverageAverage Amount | 1 mg/LNL | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 72.7 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| LithiumA naturally occurring element found in some groundwater. | 33.8 ug/LAverageAverage Amount | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 27.9 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| ManganeseA naturally occurring metal from soil and rock. | 1.44 ug/LAverageAverage Amount | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 5.96 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 105 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| Vanadium | 2.4 ug/LAverageAverage Amount | 50 ug/LNL | 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/LAverageAverage Amount | 4 mg/LMCL | Within the limit |
| ChlorideA naturally occurring salt compound. | 112 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 237 mg/LAverageAverage Amount | None set | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 98.5 ug/LAverageAverage Amount | 4000 ug/LMCL | Within the limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| AlkalinityA measure of the water's capacity to neutralize acids. | 124 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| Bicarbonate | 124 ug/LAverageAverage Amount | None set | Detected — no federal limit |
| ColorA measure of visible tint in the water. | 2AverageAverage Amount | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 295 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| OdorA measure of detectable smell in the water. | 1.8AverageAverage Amount | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 8.2AverageAverage Amount | None set | Detected — no federal limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 1065AverageAverage Amount | None set | Detected — no federal limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.4 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 642 mg/LAverageAverage Amount | None set | Detected — no federal limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.06Reported levelMetropolitan Water District Diemer Water Treatment Plant | 0.3Treatment technique | Detected — no federal limit |
+By source (2)— Metropolitan Water District Diemer Water Treatment Plant, Baker Water Treatment Plant
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People also ask about Moulton Niguel Water District — Laguna Hills, Ca, CA's water
+Is Moulton Niguel Water District — Laguna Hills, Ca, CA tap water safe to drink in 2023?
Every one of the 35 contaminants measured in Moulton Niguel Water District — Laguna Hills, 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 Moulton Niguel Water District — Laguna Hills, Ca, CA tap water?
35 contaminants were measured in Moulton Niguel Water District — Laguna Hills, Ca, CA's 2023 Consumer Confidence Report, spanning metals, physical & aggregate, and disinfection byproducts. 10 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 Moulton Niguel Water District — Laguna Hills, 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 Moulton Niguel Water District — Laguna Hills, 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.