Drinking water quality · 2023
· Verified
What's in Las Virgenes MWD — Calabasas, Ca, CA tap water
18 contaminants were measured in the Las Virgenes MWD — Calabasas, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 18
- Over federal limit
- 0
- Approaching the limit
- 1
- 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.
- Treatment technique violationHealth-based1 violation on record · most recent Sep 1993resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChloramineA longer-lasting disinfectant made by combining chlorine with ammonia. | 0–3.34 mg/LReported levelLvmwd | 4 mg/LMCL | Approaching the limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 10–56 ug/LReported levelLvmwd | None set | Within the limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | 0–5.4 ug/LReported levelMWD Jensen Plant | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 3.4–24 ug/LReported levelLvmwd | None set | Within the limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.26 NTUReported levelLvmwd | None set | Within the limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
| ColorA measure of visible tint in the water. | 0–10Reported levelLvmwd | None set | Detected — no federal limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 3.3–4.4 mg/LReported levelLvmwd | None set | Detected — no federal limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.6–0.8 mg/LReported levelMWD Jensen Plant | 4 mg/LMCL | Within the limit |
+By source (2)— MWD Jensen Plant, Lvmwd
| |||
| Cyanide | 0–25 ug/LReported levelLvmwd | None set | Within the limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 0–0.56 mg/LReported levelLvmwd | 10 mg/LMCL | Within the limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
| ChlorideA naturally occurring salt compound. | 41–92 mg/LReported levelLvmwd | None set | Detected — no federal limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.23 mg/L90th percentileAt the tap | 1.3 mg/LAction level | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 0.0041 ug/L90th percentileAt the tap | None set | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 52–91 ug/LReported levelMWD Jensen Plant | None set | Detected — no federal limit |
+By source (2)— MWD Jensen Plant, Lvmwd
| |||
| ManganeseA naturally occurring metal from soil and rock. | 0–37 ug/LReported levelLvmwd | None set | Detected — no federal limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detected pCi/LReported levelLvmwd | 5 pCi/LMCL | None detected |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2–3 pCi/LReported levelMWD Jensen Plant | 20 pCi/LMCL | Detected — no federal limit |
+By source (2)— MWD Jensen Plant, Lvmwd
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 0–0.87 %Reported levelLvmwd | None set | Detected — no federal limit |
+By source (2)— Lvmwd, MWD Jensen Plant
| |||
People also ask about Las Virgenes MWD — Calabasas, Ca, CA's water
+Is Las Virgenes MWD — Calabasas, Ca, CA tap water safe to drink in 2023?
Every one of the 18 contaminants measured in Las Virgenes MWD — Calabasas, 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 Las Virgenes MWD — Calabasas, Ca, CA tap water?
18 contaminants were measured in Las Virgenes MWD — Calabasas, Ca, CA's 2023 Consumer Confidence Report, spanning inorganic chemicals, metals, and disinfection byproducts. 6 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Are any contaminants in Las Virgenes MWD — Calabasas, Ca, CA tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Chloramine. Approaching means measured but not in violation — a margin that can close quickly if conditions change.
+Where does the data on this page come from?
Every value is transcribed from Las Virgenes MWD — Calabasas, 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 Las Virgenes MWD — Calabasas, 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.