Drinking water quality · 2025
· Verified
What's in City of San Jose - Evg/edv/coy, CA tap water
34 contaminants were measured in the City of San Jose - Evg/edv/coy, CA water system's 2025 annual report. Each is shown below against its federal limit.
- Reporting year
- 2025
- Contaminants measured
- 34
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- CA
PFAS — EPA UCMR5 (2023–2025)
1 PFAS compound detected in City of San Jose - Evg/edv/coy, 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)below national p90 (76.59999999999991 mg/L across detecting U.S. systems)
Where your water comes from · EPA SDWIS
City of San Jose - Evg/edv/coy, CA's drinking water comes from ground water, drawn from 10 sources.
Source
- WELL 05 - EVERGREEN
- WELL 03 - EVERGREEN
- WELL 02 - EVERGREEN
- WELL 04 - EVERGREEN
- + 6 more
Treatment
Distribution
Also buys water from SANTA CLARA VALLEY WATER DISTRICT.
Historical readings · EPA Six-Year Review (2012–2019)
19 historically-detected contaminants in City of San Jose - Evg/edv/coy, 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) |
|---|---|---|---|
TTHM worst: 2015 | 0.0754 mg/L 94% | 0.08 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE worst: 2018 | 4.4 mg/L within | 10 mg/L | '12'13'14'15'16'17'18'19 |
HAA5 worst: 2019 | 0.0237 mg/L within | 0.06 mg/L | '12'13'14'15'16'17'18'19 |
NITRATE NITRITE worst: 2017 | 2.9 mg/L within | 10 mg/L | '16'17'19 |
ARSENIC worst: 2017 | 0.0021 mg/L within below national p90 | 0.01 mg/L | '17 |
CHROMIUM worst: 2014 | 0.013 mg/L within above national p90 | 0.1 mg/L | '14 |
BARIUM worst: 2017 | 0.17 mg/L within near national p90 | 2 mg/L | '14'17 |
FLUORIDE worst: 2017 | 0.29 mg/L within | 4 mg/L | '13'14'16'17'19 |
GROSS BETA worst: 2017 | 0.148 mrem/yr within | 4 mrem/yr | '17 |
TRICHLOROETHANE 111 worst: 2017 | 0.0012 mg/L within below national p90 | 0.2 mg/L | '14'17 |
URANIUM worst: 2017 | 0.000438 ug/L within below national p90 | 30 ug/L | '17 |
DBAA worst: 2012 | 0.0042 mg/L | — | '12'13'14'15'16'17'18'19 |
DCAA worst: 2012 | 0.0025 mg/L | — | '12'13'14'15'16'17'18'19 |
MBAA worst: 2014 | 0.0027 mg/L | — | '14'15'16'17'18 |
TCAA worst: 2014 | 0.0037 mg/L | — | '14'15'16'17'18'19 |
BROMODICHLOROMETHANE worst: 2012 | 0.012 mg/L | — | '12'13'14'15'16'17'18'19 |
BROMOFORM worst: 2012 | 0.013 mg/L | — | '12'13'14'15'16'17'18'19 |
CHLOROFORM worst: 2012 | 0.018 mg/L | — | '12'13'14'15'16'17'18'19 |
DIBROMOCHLOROMETHANE worst: 2012 | 0.014 mg/L | — | '12'13'14'15'16'17'18'19 |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Chromium, HexavalentHexavalent chromium ('chromium-6') — the more toxic form of chromium. | 4.544 UG/LAverageSource water | 10 UG/LMCL | Within the limit |
| IronA naturally occurring metal common in groundwater. | Not detected UG/LHighest single sampleSource water | 300 UG/LMCL | None detected |
Other
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Mcaa | Not detected UG/LHighest single sampleDistribution | None set | 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. | 2.023529411764706 NG/LAverageSource water | None set | Detected — no federal limit |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA)ADONA, a newer-generation PFAS replacement compound. | 1.788235294117647 NG/LAverageSource water | None set | Detected — no federal limit |
| 4:2 Fluorotelomer sulfonic acid (4:2 FTS)4:2 fluorotelomer sulfonic acid, a PFAS-related compound. | 1.4941176470588236 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. | 1.7058823529411764 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. | 1.8823529411764706 NG/LAverageSource water | None set | Detected — no federal limit |
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid, a chlorinated PFAS compound. | 2.0823529411764703 NG/LAverageSource water | None set | Detected — no federal limit |
| Hexafluoropropylene oxide dimer acidHFPO-DA ('GenX chemicals'), a newer-generation PFAS replacement compound. | 1.4941176470588236 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoro-3-methoxypropanoic acid (PFMPA)Perfluoro-3-methoxypropanoic acid, a PFAS-related compound. | 1.4611111111111112 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoro-4-methoxybutanoic acid (PFMBA)Perfluoro-4-methoxybutanoic acid, a PFAS-related compound. | 1.552941176470588 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)Perfluoro(2-ethoxyethane)sulfonic acid, a PFAS-related compound. | 1.6117647058823528 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluorodecanoic acid (PFDA)Perfluorodecanoic acid, a longer-chain PFAS 'forever chemical.' | 1.6117647058823528 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluorododecanoic acid (PFDoA)Perfluorododecanoic acid, a longer-chain PFAS 'forever chemical.' | 1.552941176470588 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoroheptanesulfonic acid (PFHpS)Perfluoroheptanesulfonic acid, a PFAS 'forever chemical.' | 1.6705882352941175 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoroheptanoic acidPerfluoroheptanoic acid, a PFAS 'forever chemical.' | 1.6705882352941175 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' | 1.4941176470588236 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluorononanoic acidPerfluorononanoic acid, a PFAS 'forever chemical.' | 1.7294117647058822 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoropentanesulfonic acid (PFPeS)Perfluoropentanesulfonic acid, a PFAS 'forever chemical.' | 1.4176470588235295 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' | 1.5555555555555556 NG/LAverageSource water | None set | Detected — no federal limit |
| Perfluoroundecanoic acid (PFUnA)Perfluoroundecanoic acid, a longer-chain PFAS 'forever chemical.' | 1.6117647058823528 NG/LAverageSource water | None set | Detected — no federal limit |
| PFBAPerfluorobutanoic acid, a shorter-chain PFAS 'forever chemical.' | 2.0611111111111113 NG/LAverageSource water | None set | Detected — no federal limit |
People also ask about City of San Jose - Evg/edv/coy, CA's water
+Is City of San Jose - Evg/edv/coy, CA tap water safe to drink in 2025?
Every one of the 34 contaminants measured in City of San Jose - Evg/edv/coy, 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 City of San Jose - Evg/edv/coy, CA tap water?
34 contaminants were measured in City of San Jose - Evg/edv/coy, CA's 2025 Consumer Confidence Report, spanning pfas ("forever chemicals"), disinfection byproducts, and other. 5 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 City of San Jose - Evg/edv/coy, 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 City of San Jose - Evg/edv/coy, 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.