Drinking water quality · 2023
· Verified
What's in Temescal Valley Water District — Temescal Valley, Ca, CA tap water
49 contaminants were measured in the Temescal Valley Water District — Temescal Valley, Ca, CA water system's 2023 annual report. Each is shown below against its federal limit.
- Reporting year
- 2023
- Contaminants measured
- 49
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
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 Sep 2003resolved
- Monitoring & reporting1 violation on record · most recent Oct 20231 open
Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| BromateA disinfection byproduct formed when bromide-containing water is treated with ozone. | 7.9 ug/LAverageRiverside System Combined Source Water | None set | Within the limit |
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 42 ug/LAverageRiverside System Combined Source Water | None set | Within the limit |
+By source (2)— Riverside System Combined Source Water, Tvwd
| |||
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 9 ug/LAverageRiverside System Combined Source Water | None set | Within the limit |
+By source (2)— Riverside System Combined Source Water, Tvwd
| |||
| BromodichloromethaneA trihalomethane disinfection byproduct. | 3.2 ug/LAverageRiverside System Combined Source Water | 0.06 ug/LPublic health goal | Detected — no federal limit |
| BromoformA trihalomethane disinfection byproduct. | 2.2 ug/LAverageRiverside System Combined Source Water | 0.5 ug/LPublic health goal | Detected — no federal limit |
| ChlorateA byproduct that can form during disinfection, especially when hypochlorite solutions degrade. | 78 ug/LAverageRiverside System Combined Source Water | 800 ug/LNL | Detected — no federal limit |
| ChloroformA trihalomethane formed when chlorine reacts with organic matter in water. | 2.5 ug/LAverageRiverside System Combined Source Water | 0.4 ug/LPublic health goal | Detected — no federal limit |
| DibromochloromethaneA trihalomethane disinfection byproduct. | 3.2 ug/LAverageRiverside System Combined Source Water | 0.1 ug/LPublic health goal | Detected — no federal limit |
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | Not detected ug/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 1.5 mg/LAverageRiverside System Combined Source Water | None set | Within the limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chlorine Total | 1.1 mg/LAverageTvwd | None set | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 1.6 mg/LAverageRiverside System Combined Source Water | 10 mg/LMCL | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.6 mg/LAverageRiverside System Combined Source Water | 4 mg/LMCL | Within the limit |
| Chlorodibromoacetic acidA brominated haloacetic acid disinfection byproduct. | 0.08 ug/LAverageRiverside System Combined Source Water | None set | Within the limit |
| ChlorideA naturally occurring salt compound. | 50 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| SulfateA naturally occurring mineral from rock and soil. | 39 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.09 NTUAverageRiverside System Combined Source Water | None set | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 86 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| ColorA measure of visible tint in the water. | 1.57AverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 105 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| OdorA measure of detectable smell in the water. | Not detectedAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 8.5AverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 421AverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| TOCTotal organic carbon — a measure of organic material dissolved in the water. | 2.2 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 243 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.12 ug/L90th percentileAt the tap | 1300 ug/LAction level | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected ug/LAverageRiverside System Combined Source Water | None set | Within the limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | Not detected ug/L90th percentileAt the tap | None set | Within the limit |
| SeleniumA trace element from natural deposits and industrial discharge. | Not detected ug/LAverageRiverside System Combined Source Water | None set | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | Not detected ug/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| BoronA naturally occurring element from rock and soil. | 110 ug/LAverageRiverside System Combined Source Water | 1000 ug/LNL | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 26 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 0.38 ug/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| GermaniumA trace metalloid found in some source water. | Not detected ug/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| LithiumA naturally occurring element found in some groundwater. | Not detected ug/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 10 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 2.6 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| SilicaA naturally occurring compound from sand and rock. | 14 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 43 mg/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| Vanadium | Not detected ug/LAverageRiverside System Combined Source Water | 50 ug/LNL | Detected — no federal limit |
Microbial
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals. | 0Highest single sampleHighest # detections | 0MCLG | None detected |
+By source (2)— Highest # detections, Riverside System Combined Source Water
| |||
| Total ColiformA group of bacteria used as an indicator of overall water-system sanitation. | 1AverageRiverside System Combined Source Water | None set | Detected — no federal limit |
+By source (2)— Riverside System Combined Source Water, Highest # detections
| |||
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.' | Not detected ng/LAverageRiverside System Combined Source Water | 3 ng/LNL | Within the limit |
| Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
| PFBAPerfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.' | Not detected ng/LAverageRiverside System Combined Source Water | None set | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detected pCi/LAverageRiverside System Combined Source Water | 0.019 pCi/LPublic health goal | Within the limit |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | Not detected pCi/LAverageRiverside System Combined Source Water | 15 pCi/LMCL | Within the limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 1.2 pCi/LAverageRiverside System Combined Source Water | 20 pCi/LMCL | Detected — no federal limit |
Source: Temescal Valley Water District — Temescal Valley, 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 Temescal Valley Water District — Temescal Valley, Ca, CA's water
+Is Temescal Valley Water District — Temescal Valley, Ca, CA tap water safe to drink in 2023?
Every one of the 49 contaminants measured in Temescal Valley Water District — Temescal Valley, 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 Temescal Valley Water District — Temescal Valley, Ca, CA tap water?
49 contaminants were measured in Temescal Valley Water District — Temescal Valley, Ca, CA's 2023 Consumer Confidence Report, spanning metals, disinfection byproducts, and physical & aggregate. 15 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 Temescal Valley Water District — Temescal Valley, 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 Temescal Valley Water District — Temescal Valley, 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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