Drinking water quality · 2025
· Verified
What's in Fern Valley Wd, CA tap water
73 contaminants were measured in the Fern Valley Wd, CA water system's 2025 annual report. Each is shown below against its federal limit.
- Reporting year
- 2025
- Contaminants measured
- 73
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
state-level CCR
Where your water comes from · EPA SDWIS
Fern Valley Wd, CA's drinking water comes from ground water, drawn from 10 sources.
Source
10ground water
- WELL · 8
- TAHQUITZ CREEK
- STRAWBERRY CREEK
Treatment
5treatment plants
- AERATION PLANT - W 6,7,8
- AERATION PLANT - WELL 02
- AERATION PLANT - WELL 11
- + 2 more
Distribution
0storage units
Also buys water from IDYLLWILD WATER DISTRICT.
Source: EPA SDWIS facilities inventory. Methodology.
Historical readings · EPA Six-Year Review (2012–2019)
1 contaminant historically over EPA limits in Fern Valley Wd, CA
Every U.S. public water system reports compliance-monitoring data to EPA. The Six-Year Review releases the 2012–2019 window as a single dataset — here's what your system reported, year by year. Values shown are the highest detection per analyte per year, compared to the federal MCL.
| Contaminant | Worst detection | EPA limit | Years (2012–2019) |
|---|---|---|---|
HAA5 worst: 2019 | 0.076 mg/L 1.3× | 0.06 mg/L | '14'15'16'17'18'19 |
TTHM worst: 2017 | 0.061 mg/L within | 0.08 mg/L | '14'15'16'17'18'19 |
FLUORIDE worst: 2015 | 0.6 mg/L within | 4 mg/L | '12'15'18 |
BARIUM worst: 2018 | 0.12 mg/L within near national p90 | 2 mg/L | '12'15'18 |
URANIUM worst: 2013 | 0.0177 ug/L within near national p90 | 30 ug/L | '13'19 |
TCAA worst: 2015 | 0.0049 mg/L | — | '15'16'17'18'19 |
MCAA worst: 2014 | 0.003 mg/L | — | '14'15'16'19 |
DCAA worst: 2014 | 0.0015 mg/L | — | '14'15'16'17'18'19 |
BROMODICHLOROMETHANE worst: 2014 | 0.0022 mg/L | — | '14'15'16'17'18'19 |
CHLOROFORM worst: 2014 | 0.003 mg/L | — | '14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2014 | 0.0018 mg/L | — | '14'15'16'17'18'19 |
PWSID CA3310040 · Source: EPA Six-Year Review 4 (2012–2019). Values are the highest detection in each calendar year; non-detect years are omitted. Year tags above show every year with a detection.
Physical & aggregate
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ColorA measure of visible tint in the water. | 10 UNITSAverageSource water | 15 UNITSMCL | Within the limit |
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 69 MG/LAverageSource water | 1000 MG/LMCL | Within the limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 62.5 UMHO/CMAverageSource water | 1600 UMHO/CMMCL | Within the limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 0.07500000000000001 NTUAverageSource water | 5 NTUMCL | Within the limit |
| OdorA measure of detectable smell in the water. | Not detected TONHighest single sampleSource water | 3 TONMCL | None detected |
| AlkalinityA measure of the water's capacity to neutralize acids. | 21.833333333333332 MG/LAverageSource water | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 16.5 MG/LAverageSource water | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 7.35 PHAverageSource water | 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. | 4.56 PCI/LAverageSource water | 15 PCI/LMCL | Within the limit |
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | Not detected PCI/LHighest single sampleSource water | None set | None detected |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 2.9399999999999995 UG/L90th percentileDistribution | 15 UG/LAl | Within the limit |
| CopperA metal that enters water from corroding household plumbing. | 43.29999999999994 UG/L90th percentileDistribution | 1300 UG/LAl | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | Not detected UG/LHighest single sampleSource water | 1000 UG/LMCL | None detected |
| Antimony | Not detected UG/LHighest single sampleSource water | 6 UG/LMCL | None detected |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | Not detected UG/LHighest single sampleSource water | 10 UG/LMCL | None detected |
| Beryllium | Not detected UG/LHighest single sampleSource water | 4 UG/LMCL | None detected |
| Cadmium | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | Not detected UG/LHighest single sampleSource water | 10 UG/LMCL | None detected |
| IronA naturally occurring metal common in groundwater. | Not detected UG/LHighest single sampleSource water | 300 UG/LMCL | None detected |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | Not detected MG/LHighest single sampleSource water | None set | None detected |
| ManganeseA naturally occurring metal from soil and rock. | Not detected UG/LHighest single sampleSource water | 50 UG/LMCL | None detected |
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | Not detected UG/LHighest single sampleSource water | 2 UG/LMCL | None detected |
| NickelA metal from natural deposits and industrial discharge. | Not detected UG/LHighest single sampleSource water | 100 UG/LMCL | None detected |
| SeleniumA trace element from natural deposits and industrial discharge. | Not detected UG/LHighest single sampleSource water | 50 UG/LMCL | None detected |
| Thallium | Not detected UG/LHighest single sampleSource water | 2 UG/LMCL | None detected |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | Not detected UG/LHighest single sampleSource water | 5000 UG/LMCL | None detected |
| CalciumA naturally occurring mineral that contributes to water hardness. | 3.875 MG/LAverageSource water | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 1.6 MG/LAverageSource water | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 6.25 MG/LAverageSource water | None set | Detected — no federal limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorideA naturally occurring salt compound. | 1.8 MG/LAverageSource water | 500 MG/LMCL | Within the limit |
| SulfateA naturally occurring mineral from rock and soil. | 0.49 MG/LAverageSource water | 500 MG/LMCL | Within the limit |
| Cyanide | Not detected UG/LHighest single sampleSource water | 150 UG/LMCL | None detected |
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | Not detected MG/LHighest single sampleSource water | 10 MG/LMCL | None detected |
| NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits. | Not detected MG/LHighest single sampleSource water | 1 MG/LMCL | None detected |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| BromoformA trihalomethane disinfection byproduct. | Not detected UG/LHighest single sampleSource water | None set | None detected |
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | Not detected UG/LHighest single sampleSource water | 6 UG/LMCL | None detected |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Carbon Tetrachloride | Not detected UG/LHighest single sampleSource water | 0.5 UG/LMCL | None detected |
| Chlorobenzene | Not detected UG/LHighest single sampleSource water | 70 UG/LMCL | None detected |
| Chromium | Not detected UG/LHighest single sampleSource water | 50 UG/LMCL | None detected |
| Cis Dichloroethylene 12 | Not detected UG/LHighest single sampleSource water | 6 UG/LMCL | None detected |
| Dbaa | Not detected UG/LHighest single sampleDistribution | None set | None detected |
| Dichloroethane 12 | Not detected UG/LHighest single sampleSource water | 0.5 UG/LMCL | None detected |
| Dichloroethylene 11 | Not detected UG/LHighest single sampleSource water | 6 UG/LMCL | None detected |
| Dichloropropane 12 | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| Mbaa | Not detected UG/LHighest single sampleDistribution | None set | None detected |
| O Dichlorobenzene | Not detected UG/LHighest single sampleSource water | 600 UG/LMCL | None detected |
| P Dichlorobenzene | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| Pce | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| Styrene | Not detected UG/LHighest single sampleSource water | 100 UG/LMCL | None detected |
| Tce | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| Trans Dichloroethylene 12 | Not detected UG/LHighest single sampleSource water | 10 UG/LMCL | None detected |
| Trichlorobenzene 124 | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| Trichloroethane 111 | Not detected UG/LHighest single sampleSource water | 200 UG/LMCL | None detected |
| Trichloroethane 112 | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| Vinyl Chloride | Not detected UG/LHighest single sampleSource water | 0.5 UG/LMCL | None detected |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Benzene | Not detected UG/LHighest single sampleSource water | 1 UG/LMCL | None detected |
| ChloroethaneA volatile organic compound used in some industrial processes. | Not detected UG/LHighest single sampleSource water | None set | None detected |
| Chloromethane | Not detected UG/LHighest single sampleSource water | None set | None detected |
| Dichlorodifluoromethane | Not detected UG/LHighest single sampleSource water | None set | None detected |
| Dichloromethane | Not detected UG/LHighest single sampleSource water | 5 UG/LMCL | None detected |
| Ethylbenzene | Not detected UG/LHighest single sampleSource water | 300 UG/LMCL | None detected |
| Toluene | Not detected UG/LHighest single sampleSource water | 150 UG/LMCL | None detected |
| XylenesA group of industrial solvents found in gasoline and paint. | Not detected UG/LHighest single sampleSource water | 1750 UG/LMCL | None detected |
Source: Fern Valley Wd, CA's 2025 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 Fern Valley Wd, CA's water
+Is Fern Valley Wd, CA tap water safe to drink in 2025?
Every one of the 73 contaminants measured in Fern Valley Wd, CA's 2025 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 Fern Valley Wd, CA tap water?
73 contaminants were measured in Fern Valley Wd, CA's 2025 Consumer Confidence Report, spanning other, metals, and physical & aggregate. 53 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 Fern Valley Wd, CA's 2025 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 Fern Valley Wd, 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 2025 report; a new report will replace it once the utility publishes its next annual update.
More water systems in CA
City of PerrisEast Valley Service AreaFern Valley WdFern Valley WdMills Service AreaEastern Municipal WdEastern Municipal WdEastern Municipal WdMoreno ValleyValley Estates Poa, Inc.Valley Estates Poa, Inc.City of MurrietaSbdno County Service Area 70 Cedar GlenSbdno County Service Area 70 Cedar GlenSbdno County Service Area 70 Cedar GlenWestern MWD - Murrieta DivisionWestern MWD - Murrieta DivisionWestern MWD - Murrieta DivisionRiversideRiverside, City ofRiverside, City ofRiverside, City ofCity of HemetHemet, City ofAll water systems →