Drinking water quality · 2023
What's in Valley Center MWD — Valley Center, Ca, CA tap water
13 contaminants were measured in the Valley Center MWD — Valley Center, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 13
- 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.
- Maximum contaminant level exceededHealth-based2 violations on record · most recent Jul 2000resolved
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 1.78 mg/LAverageVCMWD Distribution System | None set | Within the limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 31 ug/LAverageVCMWD Distribution System | None set | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 10 ug/LAverageVCMWD Distribution System | None set | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 4 ug/L90th percentileVCMWD Distribution System | None set | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 2.1 ug/LAverageTwin Oaks Treatment Plant | None set | Within the limit |
+By source (3)— Twin Oaks Treatment Plant, Skinner Treatment Plant, Carlsbad Desalination Plant
| |||
| CopperA metal that enters water from corroding household plumbing. | 0.255 mg/L90th percentileVCMWD Distribution System | 1.3 mg/LAction level | Within the limit |
| LithiumA naturally occurring element found in some groundwater. | 37 ug/LAverageTest Results | 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/LAverageSkinner Treatment Plant | 4 mg/LMCL | Within the limit |
+By source (3)— Skinner Treatment Plant, Carlsbad Desalination Plant, Twin Oaks Treatment Plant
| |||
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | Not detected mg/LRangeSkinner Treatment Plant | 10 mg/LMCL | None detected |
+By source (3)— Skinner Treatment Plant, Twin Oaks Treatment Plant, Carlsbad Desalination Plant
| |||
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | Not detectedRangeVCMWD Distribution System | None set | None detected |
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | Not detected %RangeVCMWD Distribution System | None set | None detected |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.08 %AverageCarlsbad Desalination Plant | None set | Detected — no federal limit |
+By source (3)— Skinner Treatment Plant, Twin Oaks Treatment Plant, Carlsbad Desalination Plant
| |||
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 2.3 pCi/LAverageTwin Oaks Treatment Plant | 20 pCi/LMCL | Detected — no federal limit |
+By source (3)— Skinner Treatment Plant, Twin Oaks Treatment Plant, Carlsbad Desalination Plant
| |||
People also ask about Valley Center MWD — Valley Center, Ca, CA's water
+Is Valley Center MWD — Valley Center, Ca, CA tap water safe to drink in 2023?
Every one of the 13 contaminants measured in Valley Center MWD — Valley Center, 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 Valley Center MWD — Valley Center, Ca, CA tap water?
13 contaminants were measured in Valley Center MWD — Valley Center, Ca, CA's 2023 Consumer Confidence Report, spanning metals, disinfection byproducts, and inorganic chemicals. 4 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 Valley Center MWD — Valley Center, 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 Valley Center MWD — Valley Center, 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.