Is Lake Stevens, WA Tap Water Safe to Drink?
Lake Stevens, WA tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Contaminants including lithium have been detected at or below guideline thresholds.
Where Does Lake Stevens Get Its Water?
Water in Lake Stevens, WA is provided by 2 public water systems: SNO PUD 1 - LAKE STEVENS and EVERETT PUBLIC WORKS DEPT. CITY OF.
How Is Lake Stevens Tap Water Treated?
Treated water is disinfected using free chlorine. Treatment includes conventional treatment (coagulation, flocculation, and filtration) and post-ozone biofiltration.
What's in Lake Stevens Tap Water?
The following contaminants were detected most frequently in Lake Stevens public water systems. All detected levels fall at or below EPA health guidelines in this dataset.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| 11Cl-PF3OUdS | 0.005 µg/L | 0.005 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 Lake Stevens
Current EPA monitoring data for Lake Stevens shows contaminant levels within guideline thresholds across all ZIP codes in this dataset. As with all public water systems, sensitive populations may choose to use a certified filter for additional peace of mind.
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 Lake Stevens Tap Water
Is Lake Stevens tap water safe to drink?
Lake Stevens tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Sensitive populations may still choose to use a certified filter as a precaution.
What contaminants are in Lake Stevens tap water?
The most commonly detected contaminants in Lake Stevens water systems include: lithium, PFTrDA, 11Cl-PF3OUdS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does Lake Stevens get its drinking water?
Lake Stevens receives water from 2 public water systems, including SNO PUD 1 - LAKE STEVENS.
Do I need a water filter in Lake Stevens?
Current data does not show guideline exceedances in Lake Stevens. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is Lake Stevens tap water tested?
Public water systems in Lake Stevens 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 2024-12-13.
Tap water reports by ZIP in Lake Stevens
- 98258 - Lake Stevens tap water report Some concern
Water utilities serving Lake Stevens, 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.
- SNO PUD 1 - LAKE STEVENSSome concern
Also covers / overlaps with
- Arlington CCD, WA · Township
- Bunk Foss, WA · CDP
- Granite Falls CCD, WA · Township
- Lake Cassidy, WA · CDP
- Lake Stevens CCD, WA · Township
- Lochsloy, WA · CDP
- Machias, WA · CDP
- Marysville CCD, WA · Township
- Snohomish CCD, WA · Township