Port Townsend Tap Water Quality Report
Port Townsend's water has 3 contaminants above EPA MCLGs at the most-affected of its 4 water systems. Consider using a certified water filter for additional protection.
Utilities
4 Utilities
People Served
17,774
MCL Violations
0
Last Updated
Is Port Townsend Tap Water Safe to Drink?
Port Townsend's water has 3 contaminants above EPA health-based guidelines (MCLGs) at the most-affected of its 4 water systems. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
The data below shows test results from 4 water utilities serving 17,774 people in the Port Townsend area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2025-09-02.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Washington
Port Townsend Water Service Areas
Water Report for Port Townsend, WA
Every number for your address, explained in plain English — plus what we would do about it.
Emailed to you the same day. Written by a person, not generated.
If it is wrong or not useful, reply to the email and we refund you in full.
What the report covers
- Your water system, and how confident we are it is the right one for this address
- Every detection in the latest sampling, with what the level means for a household
- Five years of history — what is getting better, what is not
- Violations and enforcement on record for this system
- UCMR5 PFAS results where the system was sampled, and plainly stated when it was not
- Hardness, and what it costs you in appliances and soap
- What we would test at your own tap, and why
- What treatment actually addresses your results — and what would be overkill
- Every figure with its source and the date we read it
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Recommended Water Filters for Port Townsend
Based on Port Townsend's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Highlights:
- Best overall contaminant reduction score
- Most performance certifications
- Lifetime warranty
- NSF-42, NSF-53, NSF-58, NSF-401 certified
Removes 23 contaminants:
+18 more
Molybdenum, Barium, Chlorine, Arsenic, 83+ contaminants, Calcium, Chloride, Copper, Magnesium, Nitrate, Phosphorus, Sodium, Sulfate, Total Dissolved Solids, Zinc, Total THMs, Chloroform, Nitrate (as N)
AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Highlights:
- Verified PFAS reduction
- Glass collection vessel
- Plug-and-play installation
- NSF-53, NSF-42, NSF-58, NSF-401, NSF-372 certified
Removes 17 contaminants:
+12 more
Arsenic, 83+ contaminants, Copper, Total THMs, Chloroform, Chloride, Sulfate, Nitrate (as N), Molybdenum, Barium, Strontium, Uranium
Waterdrop
G3 P600
NSF Certified:
Flow Rate
600 gpm
Daily Production
600 gpd
Highlights:
- Space-saving design
- Good contaminant reduction
- NSF-58 certified
Removes 4 contaminants:
Waterdrop
G3 P800
NSF Certified:
Flow Rate
800 gpm
Daily Production
800 gpd
Highlights:
- High water production rate
- Modern design
- No tank needed
- NSF-42, NSF-53, NSF-58, NSF-372 certified
Removes 15 contaminants:
+10 more
Chlorine, Copper, Manganese, Potassium, Selenium, Total Dissolved Solids, Nitrate, Chloride, Sodium, Strontium
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA health guidelines, independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
With 3 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Port Townsend's water readings can explain
Utility-reported data for Port Townsend includes manganese, turbidity and a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Port Townsend, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Port Townsend? Public-water results do not apply to private wells. See Jefferson County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
What a water softener costs for Port Townsend's water
Port Townsend's tap water measures 3.5 grains per gallon (59.9 mg/L) — soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for 3.5 gpg water in Port Townsend — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full.
Frequently Asked Questions About Port Townsend Tap Water
Port Townsend's water has 3 contaminants above EPA MCLGs at the most-affected of its 4 water systems. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
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