WaterZen Rating
In this report:
Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.
What about Seattle Water? How much lead is in your drinking water? And how do those levels compare to other cities in the state? We examined data from hundreds of cities across the nation to understand and grade your water quality.
As you can see, Seattle Water received an above-average grade because the amounts of contaminants found in the water supply were lower than most other water providers we've analyzed.
According to Seattle Water, water samples were taken in 2020 (view all: reporting years: 2016). For more details, you can download the annual water-quality report (also known as the Consumer Confidence Report) here.
To take more action to improve your water quality, check out our guides for the various water-testing and filtration options on the market: water pitchers, filtered water bottles, TDS meters, reverse-osmosis filters, under-sink filters, and whole-house water filters.
Seattle has multiple water providers: Seattle Water, King County Water District, King County Water, and Skyway Water, view all. This page provides water quality information for Seattle Water.
WaterZen Rating
Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.
What about Seattle Water? How much lead is in your drinking water? And how do those levels compare to other cities in the state? We examined data from hundreds of cities across the nation to understand and grade your water quality.
As you can see, Seattle Water received an above-average grade because the amounts of contaminants found in the water supply were lower than most other water providers we've analyzed.
According to Seattle Water, water samples were taken in 2020 (view all: reporting years: 2016). For more details, you can download the annual water-quality report (also known as the Consumer Confidence Report) here.
To take more action to improve your water quality, check out our guides for the various water-testing and filtration options on the market: water pitchers, filtered water bottles, TDS meters, reverse-osmosis filters, under-sink filters, and whole-house water filters.
Seattle has multiple water providers: Seattle Water, King County Water District, King County Water, and Skyway Water, view all. This page provides water quality information for Seattle Water.
In this report:
Lead Levels in the Water
Lead contamination of drinking water most often occurs when service pipes corrode. Homes built before 1986 are more likely to have lead pipes, fixtures, and solder.
Lead
The level of Lead is higher than the Public Health Goal and higher than most water providers.
View details →Ranking of Washington Cities
How does Seattle Water quality compare to other cities in the state?
We compiled and analyzed the levels of contaminant in the water of cities throughout the state, averaged those two numbers for each city, and ranked them accordingly. The grade reflects how each city's overall water quality compares to other cities.
- A-City Of Camas Water
- A-Centralia Water Department
- A-Auburn Water
- A-Chelan County Pud
- A-City Of Anacortes Water
- A-Cedar River Water
- B+Bonney Lake Utilities
- B+Asotin County Pud
- B+Cheney Utilities
Ranking of Similarly-Sized US Cities
How does Seattle Water quality compare to other cities with similar populations?
We've compiled and analyzed contaminant data from water providers which serve similar populations to Seattle Water.
- A-Baltimore Water
- A-East Bay MUD Water
- A-Cleveland water
- B+Philadelphia Water
- B+San Antonio Water System - Northeast
- BMiami Dade Water and Sewer - Main System
- BLas Vegas Water
- BCity of Houston Water
Ranking of Large US Cities
How does Seattle Water quality compare to large US cities?
We've compiled and analyzed contaminant data from the largest water providers in the country (by population served).
Notice
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