Drinking water quality · 2023

· Verified

What's in Rancho California Water District — Temecula, Ca, CA tap water

22 contaminants were measured in the Rancho California Water District — Temecula, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.

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Reporting year
2023
Contaminants measured
22
Over federal limit
0
Approaching the limit
0
Service area
CA
state-level CCR
Source
Utility CCR
All within federal limits. Every measured contaminant in this report is below its federal threshold.

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.

No federal drinking-water violations on record for this system.

Other

ContaminantMeasuredStatus
Chlorine Total2.5 mg/LAverageImported WaterWithin the limit
+By source (2)Imported Water, Well Water
  • Imported WaterPlant
    avg2.5 mg/Lrange1.6–3 mg/L75% of limit
  • Well WaterPlant
    avg1.2 mg/Lrange0.22–3 mg/L75% of limit
Chromium1.4 ug/LAverageWell WaterWithin the limit
+By source (2)Well Water, Imported Water
  • Well WaterPlant
    avg1.4 ug/Lrange0–13 ug/L13% of limit
  • Imported WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit

PFAS ("forever chemicals")

ContaminantMeasuredStatus
PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings.1.8 ng/LAverageDistribution Entry PointWithin the limit
PFOAPerfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products.1.4 ng/LAverageDistribution Entry PointWithin the limit

Disinfection byproducts

ContaminantMeasuredStatus
HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.21.2 ug/LAverageWell WaterWithin the limit
+By source (2)Imported Water, Well Water
  • Imported WaterPlant
    avg12 ug/Lrange1.2–23 ug/L38% of limit
  • Well WaterPlant
    avg21.2 ug/Lrange0–13 ug/L35% of limit
BromateA disinfection byproduct formed when bromide-containing water is treated with ozone.1.5 ug/LAverageImported WaterWithin the limit

Metals

ContaminantMeasuredStatus
ArsenicA naturally occurring element that also enters water from industry and agriculture.3.4 ug/LAverageWell WaterWithin the limit
+By source (2)Well Water, Imported Water
  • Well WaterPlant
    avg3.4 ug/Lrange0–15.9 ug/L159% of limit
  • Imported WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
CopperA metal that enters water from corroding household plumbing.200 ug/L90th percentileAt the tapWithin the limit
LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.1.8 ug/L90th percentileAt the tapWithin the limit
BariumA metal from erosion of natural deposits and industrial discharge.60 ug/LAverageWell WaterWithin the limit
+By source (2)Well Water, Imported Water
  • Well WaterPlant
    avg60 ug/Lrange17–170 ug/L9% of limit
  • Imported WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
SeleniumA trace element from natural deposits and industrial discharge.Not detected ug/LAverageImported WaterWithin the limit
+By source (2)Well Water, Imported Water
  • Well WaterPlant
    avgNot detected ug/Lrange0–5.3 ug/L11% of limit
  • Imported WaterPlant
    avgNot detected ug/LrangeNot detected ug/L0% of limit
AluminumA common element sometimes used as a treatment coagulant.74 ug/LAverageImported WaterDetected — no federal limit
+By source (2)Imported Water, Well Water
  • Imported WaterPlant
    avg74 ug/Lrange0–160 ug/L
  • Well WaterPlant
    avgNot detected ug/LrangeNot detected ug/L
Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium.0.67 ug/LAverageWell WaterDetected — no federal limit
+By source (2)Well Water, Imported Water
  • Well WaterPlant
    avg0.67 ug/Lrange0–3.4 ug/L
  • Imported WaterPlant
    avgNot detected ug/LrangeNot detected ug/L

Radionuclides

ContaminantMeasuredStatus
Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances.4.32 pCi/LAverageWell WaterWithin the limit
+By source (2)Well Water, Imported Water
  • Well WaterPlant
    avg4.32 pCi/Lrange0–9.55 pCi/L64% of limit
  • Imported WaterPlant
    avgNot detected pCi/Lrange0–4 pCi/L27% of limit
Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements.Not detected pCi/LAverageImported WaterWithin the limit
+By source (2)Well Water, Imported Water
  • Well WaterPlant
    avgNot detected pCi/Lrange0–1.03 pCi/L21% of limit
  • Imported WaterPlant
    avgNot detected pCi/LrangeNot detected pCi/L0% of limit
Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances.Not detected pCi/LAverageImported WaterDetected — no federal limit
UraniumA naturally occurring radioactive metal from erosion of natural deposits.2 pCi/LAverageImported WaterDetected — no federal limit
+By source (2)Imported Water, Well Water
  • Imported WaterPlant
    avg2 pCi/Lrange0–3 pCi/L
  • Well WaterPlant
    avg1.28 pCi/Lrange0–2.75 pCi/L

Inorganic chemicals

ContaminantMeasuredStatus
FluorideA mineral often added to drinking water to help prevent tooth decay.0.7 mg/LAverageImported WaterWithin the limit
+By source (2)Well Water, Imported Water
  • Well WaterPlant
    avg0.52 mg/Lrange0–2.24 mg/L56% of limit
  • Imported WaterPlant
    avg0.7 mg/Lrange0.6–0.8 mg/L20% of limit
NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits.1.7 mg/LAverageWell WaterWithin the limit
+By source (2)Well Water, Imported Water
  • Well WaterPlant
    avg1.7 mg/Lrange0–6 mg/L60% of limit
  • Imported WaterPlant
    avgNot detected mg/LrangeNot detected mg/L0% of limit

Physical & aggregate

ContaminantMeasuredStatus
TurbidityA measure of cloudiness from suspended particles in the water.0.07 NTUReported levelSystem-wideWithin the limit
TOCTotal organic carbon — a measure of organic material dissolved in the water.2.6 mg/LAverageImported WaterDetected — no federal limit

Microbial

ContaminantMeasuredStatus
Total ColiformA group of bacteria used as an indicator of overall water-system sanitation.Not detected %Reported levelDistribution System-Wide ResultsNone detected
Source: Rancho California Water District — Temecula, Ca, CA's 2023 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 Rancho California Water District — Temecula, Ca, CA's water

+Is Rancho California Water District — Temecula, Ca, CA tap water safe to drink in 2023?

Every one of the 22 contaminants measured in Rancho California Water District — Temecula, 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 Rancho California Water District — Temecula, Ca, CA tap water?

22 contaminants were measured in Rancho California Water District — Temecula, Ca, CA's 2023 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 7 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 Rancho California Water District — Temecula, 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 Rancho California Water District — Temecula, 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.

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