Drinking water quality · 2025
· Verified
What's in Eastern Municipal Wd, CA tap water
123 contaminants were measured in the Eastern Municipal Wd, CA water system's 2025 annual report. Each is shown below against its federal limit — 3 sit at or above that limit.
- Reporting year
- 2025
- Contaminants measured
- 123
- Over federal limit
- 3
- Approaching the limit
- 1
- Worst contaminant
- Total Dissolved Solids
- Service area
- CA
1.8× the limit
state-level CCR
At or above the federal limit
- Total Dissolved SolidsPhysical & aggregate · Average1812.3400936037442 MG/Llimit 1000 MG/L · 1.8× the limit
- Specific ConductancePhysical & aggregate · Average2470.990639625585 UMHO/CMlimit 1600 UMHO/CM · 1.5× the limit
- ChlorideInorganic chemicals · Average607.7132165605096 MG/Llimit 500 MG/L · 1.2× the limit
Approaching the limit (≥ 80%)
PFAS — EPA UCMR5 (2023–2025)
1 PFAS compound detected in Eastern Municipal Wd, CA
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
Lithium
● Detected (no federal limit)Measured 39 mg/LSample year 2024Samples 5 detect / 18
near national p90 (76.59999999999991 mg/L across detecting U.S. systems)
PWSID CA3310009 · Source: EPA UCMR5. Limits per EPA's April 2024 PFAS National Primary Drinking Water Regulation. PFAS values reported in nanograms per liter (ng/L) — note that 1 ng/L = 1 part per trillion.
Where your water comes from · EPA SDWIS
Eastern Municipal Wd, CA's drinking water comes from ground water, drawn from 32 sources.
Source
32ground water
- WELL · 9
- WELL 84
- WELL 17 - CIENEGA
- WELL 88
- + 20 more
Treatment
14treatment plants
- WELL 38 - CL
- WELL 90 - EVANS & OLD MTN - TREATED - CL
- WELL 91 - RAMONA & ESPLND - TREATED - CL
- + 11 more
Distribution
0storage units
Also buys water from METROPOLITAN WATER DIST. OF SO. CAL., ELSINORE VALLEY MWD, and 3 more.
Source: EPA SDWIS facilities inventory. Methodology.
Historical readings · EPA Six-Year Review (2012–2019)
6 contaminants historically over EPA limits in Eastern Municipal 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) |
|---|---|---|---|
GROSS BETA worst: 2017 | 13.3 mrem/yr 3.3× | 4 mrem/yr | '13'14'15'16'17'18'19 |
TTHM worst: 2016 | 0.12 mg/L 1.5× | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
ARSENIC worst: 2016 | 0.013 mg/L 1.3× near national p90 | 0.01 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE worst: 2019 | 13 mg/L 1.3× | 10 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE NITRITE worst: 2016 | 12 mg/L 1.2× | 10 mg/L | '16'17 |
HAA5 worst: 2017 | 0.07 mg/L 1.2× | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
BARIUM worst: 2012 | 1.45 mg/L within 6.6× the national p90 | 2 mg/L | '12'13'14'15'16'17'18'19 |
PCE worst: 2014 | 0.0025 mg/L within | 0.005 mg/L | '14'17 |
FLUORIDE worst: 2017 | 1.3 mg/L within | 4 mg/L | '12'13'14'15'16'17'18'19 |
TCE worst: 2012 | 0.0013 mg/L within | 0.005 mg/L | '12'13'14'15'16'17'19 |
SELENIUM worst: 2013 | 0.012 mg/L within | 0.05 mg/L | '12'13'14'15'16'17'18'19 |
CADMIUM worst: 2018 | 0.00039 mg/L within below national p90 | 0.005 mg/L | '18 |
CYANIDE worst: 2017 | 0.0101 mg/L within below national p90 | 0.2 mg/L | '17 |
URANIUM worst: 2014 | 0.0285 ug/L within above national p90 | 30 ug/L | '12'13'14'15'16'17'18'19 |
NITRITE worst: 2016 | 0.0005 mg/L within | 1 mg/L | '16'18'19 |
MBAA worst: 2012 | 0.003 mg/L | — | '12'13'14'15'16'17'18'19 |
COPPER worst: 2016 | 0.15 mg/L below national p90 | — | '16'18 |
MCAA worst: 2012 | 0.016 mg/L | — | '12'13'14'15'16'17'19 |
LEAD worst: 2012 | 0.015 mg/L | — | '12'18 |
DBAA worst: 2012 | 0.011 mg/L | — | '12'13'14'15'16'17'18'19 |
DCAA worst: 2012 | 0.02 mg/L | — | '12'13'14'15'16'17'18'19 |
TCAA worst: 2012 | 0.0048 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMODICHLOROMETHANE worst: 2012 | 0.018 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMOFORM worst: 2012 | 0.059 mg/L | — | '12'13'14'15'16'17'18'19 |
CHLOROFORM worst: 2012 | 0.014 mg/L | — | '12'13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.025 mg/L | — | '12'13'14'15'16'17'18'19 |
PWSID CA3310009 · 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 |
|---|---|---|---|
| Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts. | 1812.3400936037442 MG/LAverageSource water | 1000 MG/LMCL | At or above the limit |
| Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content. | 2470.990639625585 UMHO/CMAverageSource water | 1600 UMHO/CMMCL | At or above the limit |
| ColorA measure of visible tint in the water. | 13.082191780821917 UNITSAverageOther | 15 UNITSMCL | Approaching the limit |
| OdorA measure of detectable smell in the water. | 1.6164383561643836 TONAverageOther | 3 TONMCL | Within the limit |
| TurbidityA measure of cloudiness from suspended particles in the water. | 1.2553424657534247 NTUAverageOther | 5 NTUMCL | Within the limit |
| AlkalinityA measure of the water's capacity to neutralize acids. | 112.03125 MG/LAverageSource water | None set | Detected — no federal limit |
| HardnessA measure of dissolved calcium and magnesium minerals. | 402.315625 MG/LAverageSource water | None set | Detected — no federal limit |
| pHA measure of how acidic or basic the water is. | 8.124378109452737 PHAverageEntry point | None set | Detected — no federal limit |
Inorganic chemicals
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| 1,2,3-TCP | 0.0028375 UG/LAverageSource water | 0.005 UG/LMCL | Within the limit |
| AtrazineA widely used agricultural herbicide that reaches water through runoff. | Not detected UG/LHighest single sampleSource water | 1 UG/LMCL | None detected |
| Benzene | Not detected UG/LHighest single sampleEntry point | 1 UG/LMCL | None detected |
| Benzo(a)pyrene | Not detected UG/LHighest single sampleEntry point | 0.2 UG/LMCL | None detected |
| ChloroethaneA volatile organic compound used in some industrial processes. | Not detected UG/LHighest single sampleEntry point | None set | None detected |
| Chloromethane | Not detected UG/LHighest single sampleEntry point | None set | None detected |
| Dalapon | Not detected UG/LHighest single sampleEntry point | 200 UG/LMCL | None detected |
| Dichlorodifluoromethane | Not detected UG/LHighest single sampleEntry point | None set | None detected |
| Dichloromethane | Not detected UG/LHighest single sampleEntry point | 5 UG/LMCL | None detected |
| Ethylbenzene | Not detected UG/LHighest single sampleEntry point | 300 UG/LMCL | None detected |
| Simazine | Not detected UG/LHighest single sampleSource water | 4 UG/LMCL | None detected |
| Toluene | Not detected UG/LHighest single sampleEntry point | 150 UG/LMCL | None detected |
| XylenesA group of industrial solvents found in gasoline and paint. | Not detected UG/LHighest single sampleEntry point | 1750 UG/LMCL | None detected |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ManganeseA naturally occurring metal from soil and rock. | 16.459821428571427 UG/LAverageSource water | 50 UG/LMCL | Within the limit |
| IronA naturally occurring metal common in groundwater. | 36.93788343558282 UG/LAverageSource water | 300 UG/LMCL | Within the limit |
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 0.30000000000000004 UG/LAverageSource water | 10 UG/LMCL | Within the limit |
| NickelA metal from natural deposits and industrial discharge. | 1.153125 UG/LAverageSource water | 100 UG/LMCL | Within the limit |
| AluminumA common element sometimes used as a treatment coagulant. | 7 UG/LAverageEntry point | 1000 UG/LMCL | Within the limit |
| ZincA naturally occurring metal that can also enter water from corroding pipes. | 4.1625 UG/LAverageSource water | 5000 UG/LMCL | Within the limit |
| Antimony | Not detected UG/LHighest single sampleSource water | 6 UG/LMCL | None detected |
| Beryllium | Not detected UG/LHighest single sampleEntry point | 4 UG/LMCL | None detected |
| MercuryA toxic metal from erosion of natural deposits and industrial runoff. | Not detected UG/LHighest single sampleEntry point | 2 UG/LMCL | None detected |
| Thallium | Not detected UG/LHighest single sampleSource water | 2 UG/LMCL | None detected |
| BoronA naturally occurring element from rock and soil. | 292.59375 UG/LAverageSource water | None set | Detected — no federal limit |
| CalciumA naturally occurring mineral that contributes to water hardness. | 64.390625 MG/LAverageSource water | None set | Detected — no federal limit |
| MagnesiumA naturally occurring mineral that contributes to water hardness. | 25.7059375 MG/LAverageSource water | None set | Detected — no federal limit |
| PotassiumA naturally occurring mineral from rock and soil. | 5.61875 MG/LAverageSource water | None set | Detected — no federal limit |
| SilicaA naturally occurring compound from sand and rock. | 35.26875 MG/LAverageSource water | None set | Detected — no federal limit |
| SodiumA naturally occurring salt component. | 139.90625 MG/LAverageSource water | None set | Detected — no federal limit |
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| PerchlorateA chemical used in rocket fuel and fireworks that can also form during disinfection. | 1.5861111111111112 UG/LAverageSource water | 6 UG/LMCL | Within the limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 2.9325 PCI/LAverageEntry point | 15 PCI/LMCL | Within the limit |
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 0.04680625 PCI/LAverageEntry point | None set | Detected — no federal limit |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Carbofuran | Not detected UG/LHighest single sampleEntry point | 18 UG/LMCL | None detected |
| Carbon Tetrachloride | Not detected UG/LHighest single sampleEntry point | 0.5 UG/LMCL | None detected |
| Chlordane | Not detected UG/LHighest single sampleEntry point | 0.1 UG/LMCL | None detected |
| Chlorobenzene | Not detected UG/LHighest single sampleEntry point | 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 sampleEntry point | 6 UG/LMCL | None detected |
| Deha | Not detected UG/LHighest single sampleEntry point | 400 UG/LMCL | None detected |
| Dehp | Not detected UG/LHighest single sampleSource water | 4 UG/LMCL | None detected |
| Dichloroethane 12 | Not detected UG/LHighest single sampleEntry point | 0.5 UG/LMCL | None detected |
| Dichloroethylene 11 | Not detected UG/LHighest single sampleEntry point | 6 UG/LMCL | None detected |
| Dichloropropane 12 | Not detected UG/LHighest single sampleEntry point | 5 UG/LMCL | None detected |
| Dinoseb | Not detected UG/LHighest single sampleEntry point | 7 UG/LMCL | None detected |
| Diquat | Not detected UG/LHighest single sampleSource water | 20 UG/LMCL | None detected |
| Edb | Not detected UG/LHighest single sampleSource water | 0.05 UG/LMCL | None detected |
| Endothall | Not detected UG/LHighest single sampleSource water | 100 UG/LMCL | None detected |
| Endrin | Not detected UG/LHighest single sampleEntry point | 2 UG/LMCL | None detected |
| Glyphosate | Not detected UG/LHighest single sampleEntry point | 700 UG/LMCL | None detected |
| Heptachlor | Not detected UG/LHighest single sampleEntry point | 0.01 UG/LMCL | None detected |
| Heptachlor Epoxide | Not detected UG/LHighest single sampleSource water | 0.01 UG/LMCL | None detected |
| Hexachlorobenzene | Not detected UG/LHighest single sampleEntry point | 1 UG/LMCL | None detected |
| Hexachlorocyclopentadiene | Not detected UG/LHighest single sampleEntry point | 50 UG/LMCL | None detected |
| Methoxychlor | Not detected UG/LHighest single sampleSource water | 30 UG/LMCL | None detected |
| O Dichlorobenzene | Not detected UG/LHighest single sampleEntry point | 600 UG/LMCL | None detected |
| Oxamyl | Not detected UG/LHighest single sampleSource water | 50 UG/LMCL | None detected |
| P Dichlorobenzene | Not detected UG/LHighest single sampleEntry point | 5 UG/LMCL | None detected |
| Pcb Total | Not detected UG/LHighest single sampleSource water | 0.5 UG/LMCL | None detected |
| Pentachlorophenol | Not detected UG/LHighest single sampleSource water | 1 UG/LMCL | None detected |
| Picloram | Not detected UG/LHighest single sampleEntry point | 500 UG/LMCL | None detected |
| Styrene | Not detected UG/LHighest single sampleEntry point | 100 UG/LMCL | None detected |
| Toxaphene | Not detected UG/LHighest single sampleSource water | 3 UG/LMCL | None detected |
| Trans Dichloroethylene 12 | Not detected UG/LHighest single sampleEntry point | 10 UG/LMCL | None detected |
| Trichlorobenzene 124 | Not detected UG/LHighest single sampleEntry point | 5 UG/LMCL | None detected |
| Trichloroethane 111 | Not detected UG/LHighest single sampleEntry point | 200 UG/LMCL | None detected |
| Trichloroethane 112 | Not detected UG/LHighest single sampleEntry point | 5 UG/LMCL | None detected |
| Twofourd | Not detected UG/LHighest single sampleSource water | 70 UG/LMCL | None detected |
| Vinyl Chloride | Not detected UG/LHighest single sampleEntry point | 0.5 UG/LMCL | None detected |
PFAS ("forever chemicals")
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid, a chlorinated PFAS compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA)ADONA, a newer-generation PFAS replacement compound. | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid, a chlorinated PFAS compound. | Not detected NG/LHighest single sampleEntry point | None set | None detected |
| Hexafluoropropylene oxide dimer acidHFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluoro-3-methoxypropanoic acid (PFMPA)Perfluoro-3-methoxypropanoic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluoro-4-methoxybutanoic acid (PFMBA)Perfluoro-4-methoxybutanoic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)Perfluoro(2-ethoxyethane)sulfonic acid, a PFAS-related compound. | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluorododecanoic acid (PFDoA)Perfluorododecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected NG/LHighest single sampleSource water | None set | None detected |
| Perfluoroundecanoic acid (PFUnA)Perfluoroundecanoic acid, a longer-chain PFAS 'forever chemical.' | Not detected NG/LHighest single sampleSource water | None set | None detected |
| 4:2 Fluorotelomer sulfonic acid (4:2 FTS)4:2 fluorotelomer sulfonic acid, a PFAS-related compound. | 0.8716417910447761 NG/LAverageSource water | None set | Detected — no federal limit |
| 6:2 Fluorotelomer sulfonic acid (6:2 FTS)6:2 fluorotelomer sulfonic acid, a PFAS-related compound. | 6.2701492537313435 NG/LAverageSource water | None set | Detected — no federal limit |
| 8:2 Fluorotelomer sulfonic acid (8:2 FTS)8:2 fluorotelomer sulfonic acid, a PFAS-related compound. | 1.01044776119403 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluorodecanoic acid (PFDA)Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.' | 0.9257462686567164 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoroheptanesulfonic acid (PFHpS)Perfluoroheptanesulfonic acid, a PFAS 'forever chemical.' | 1.4567164179104477 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoroheptanoic acidPerfluoroheptanoic acid, a PFAS 'forever chemical.' | 6.119776119402985 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' | 41.03716216216216 NG/LAverageEntry point | None set | Detected — no federal limit |
| Perfluorononanoic acidPerfluorononanoic acid, a PFAS 'forever chemical.' | 1.578358208955224 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoropentanesulfonic acid (PFPeS)Perfluoropentanesulfonic acid, a PFAS 'forever chemical.' | 3.5114864864864868 NG/LAverageEntry point | None set | Detected — no federal limit |
| Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' | 57.36081081081081 NG/LAverageEntry point | None set | Detected — no federal limit |
| PFBAPerfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.' | 19.40608108108108 NG/LAverageEntry point | None set | Detected — no federal limit |
Source: Eastern Municipal 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 Eastern Municipal Wd, CA's water
+Is Eastern Municipal Wd, CA tap water safe to drink in 2025?
The 2025 Consumer Confidence Report for the Eastern Municipal Wd, CA water utility lists 3 contaminants at or above the federal limit: Total Dissolved Solids, Specific Conductance, and Chloride. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.
+What contaminants are in Eastern Municipal Wd, CA tap water?
123 contaminants were measured in Eastern Municipal Wd, CA's 2025 Consumer Confidence Report, spanning other, metals, and pfas ("forever chemicals"). 81 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Which contaminants exceed federal limits in Eastern Municipal Wd, CA tap water?
3 contaminants in Eastern Municipal Wd, CA's 2025 report sit at or above the federal limit: Total Dissolved Solids (1.8× the limit); Specific Conductance (1.5× the limit); Chloride (1.2× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.
+What is the worst contaminant in Eastern Municipal Wd, CA tap water?
The contaminant with the highest measured value relative to its federal limit in the 2025 report is Total Dissolved Solids, at 1.8× the federal threshold. It belongs to the physical & aggregate family of contaminants.
+Are any contaminants in Eastern Municipal Wd, CA tap water approaching the federal limit?
One contaminant is between 80% and 100% of the federal limit in this report: Color. 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 Eastern Municipal 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 Eastern Municipal 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.
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