Is Tumwater, WA Tap Water Safe to Drink?
Tumwater tap water meets federal Safe Drinking Water Act standards but 1 of 1 ZIP code show detections above EPA health guidelines, primarily for PFTrDA. A certified filter is recommended for households that want an additional layer of protection.
Where Does Tumwater Get Its Water?
Water in Tumwater, WA is provided by 1 public water system: TUMWATER CITY OF.
How Is Tumwater Tap Water Treated?
Treated water is disinfected using free chlorine. Treatment includes air stripping, conventional treatment (coagulation, flocculation, and filtration) and groundwater disinfection.
What's in Tumwater Tap Water?
The following contaminants were detected most frequently in Tumwater public water systems. 1 of 1 ZIP codes showed detections above EPA health guidelines.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| PFTrDA | 0.007 µg/L | 0.007 µg/L | 1 ZIP | Above guideline |
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| PFBS | 0.0068 µg/L | — | 1 ZIP | Within guideline |
| 11Cl-PF3OUdS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| HFPO-DA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for Tumwater
Based on EPA monitoring data, 1 of 1 ZIP codes in Tumwater have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.
Best Broad-Spectrum Filters for This Water Profile
This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about Tumwater Tap Water
Is Tumwater tap water safe to drink?
Tumwater tap water meets Safe Drinking Water Act requirements but 1 of 1 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.
What contaminants are in Tumwater tap water?
The most commonly detected contaminants in Tumwater water systems include: PFTrDA, lithium, PFBS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Tumwater get its drinking water?
Tumwater receives water from one public water system, including TUMWATER CITY OF.
Do I need a water filter in Tumwater?
If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.
How often is Tumwater tap water tested?
Public water systems in Tumwater are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2023-10-19.
Tap water reports by ZIP in Tumwater
- 98512 - Tumwater tap water report Higher concern
Water utilities serving Tumwater, WA
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- TUMWATER CITY OFAction advised
Also covers / overlaps with
- Olympia, WA
- Olympia CCD, WA · Township
- Olympia West CCD, WA · Township
- Thurston South CCD, WA · Township