Is Jamestown tap water safe to drink?
- Sonora CCD, CA
- Groveland CCD, CA
- East Sonora-Phoenix Lake CCD, CA
- Jamestown
The short answer for Jamestown
Jamestown tap water tested within EPA guidelines across all compounds checked (tested March 2025). See the complete test results, measurements, and what was tested.
The health risk for Jamestown
- All tested compounds were below lab detection limits.
Certified filtration options for common tap-water contaminants.
No compounds above or close to EPA limits in available data.
View all tested compounds
Sonora WTP · Tested: March 2025
| Compound | Measurement | EPA Limit | Comparison |
|---|---|---|---|
| lithium | <9.000 µg/L | 10 µg/L | Below limit |
| PFHxS | <0.003 µg/L | 0.004 µg/L | Below limit |
| HFPO-DA | <0.005 µg/L | 0.01 µg/L | Below limit |
| PFNA | <0.004 µg/L | 0.01 µg/L | Below limit |
| PFHxA | <0.003 µg/L | 3 µg/L | Below limit |
| PFBA | <0.005 µg/L | 6 µg/L | Below limit |
| 11Cl-PF3OUdS | <0.005 µg/L | 0.005 µg/L | Below limit |
| 4:2 FTS | <0.003 µg/L | 0.003 µg/L | Below limit |
| 6:2 FTS | <0.005 µg/L | 0.005 µg/L | Below limit |
| 8:2 FTS | <0.005 µg/L | 0.005 µg/L | Below limit |
| 9Cl-PF3ONS | <0.002 µg/L | 0.002 µg/L | Below limit |
| ADONA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFBS | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFDA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFDoA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFHpA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFHpS | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFOA | <0.004 µg/L | 0.004 µg/L | Below limit |
| PFOS | <0.004 µg/L | 0.004 µg/L | Below limit |
| PFPeA | <0.003 µg/L | 0.003 µg/L | Below limit |
| PFTrDA | <0.007 µg/L | 0.007 µg/L | Below limit |
| PFUnA | <0.002 µg/L | 0.002 µg/L | Below limit |
Water utilities serving ZIP 95327
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
Frequently Asked Questions about ZIP 95327 Tap Water
What's in ZIP 95327 tap water?
ZIP 95327 did not show contaminants above EPA health guidelines in the latest available dataset. The full table on this page lists every compound that was tested.
Who provides tap water in ZIP 95327?
Public records identify TUD - SONORA/JAMESTOWN WATER SYSTEM as a primary water system associated with ZIP 95327. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 95327 tap water last tested?
The most recent test date used in this report is March 2025. EnviroClarity last refreshed this page on 2026-05-04.
Where can I find the official water quality report for ZIP 95327?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact TUD - SONORA/JAMESTOWN WATER SYSTEM or visit their website for the latest official report covering ZIP 95327. The EPA also maintains a national CCR locator.
Do I still need a water filter in ZIP 95327?
Even when EPA-tracked compounds are within limits, some households use a certified filter for taste, odor, or to add a margin against trace contaminants below the reporting limit. Match any filter's certifications (NSF/ANSI 42, 53, 58, or P473) to the specific compounds you care about.
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Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.