Is Ketchikan tap water safe to drink?
- Ketchikan census subarea, AK
- Prince of Wales census subarea, AK
- Ketchikan
The short answer for Ketchikan
Ketchikan tap water tested within EPA guidelines across all compounds checked (tested August 2025). See the complete test results, measurements, and what was tested.
The health risk for Ketchikan
- 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
KETCHIKAN PUBLIC UTILITIES · Tested: August 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 99901
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- KETCHIKAN PUBLIC UTILITIESLooks OK
Frequently Asked Questions about ZIP 99901 Tap Water
What's in ZIP 99901 tap water?
ZIP 99901 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 99901?
Public records identify KETCHIKAN PUBLIC UTILITIES as a primary water system associated with ZIP 99901. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 99901 tap water last tested?
The most recent test date used in this report is August 2025. EnviroClarity last refreshed this page on 2026-05-05.
Where can I find the official water quality report for ZIP 99901?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact KETCHIKAN PUBLIC UTILITIES or visit their website for the latest official report covering ZIP 99901. The EPA also maintains a national CCR locator.
Do I still need a water filter in ZIP 99901?
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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Nearby ZIP reports
Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.