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 D.C. 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, D.C. 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 D.C. Water, water samples were taken in 2018. 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.
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 D.C. 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, D.C. 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 D.C. Water, water samples were taken in 2018. 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.
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 Similarly-Sized US Cities
How does D.C. Water quality compare to other cities with similar populations?
We've compiled and analyzed contaminant data from water providers which serve similar populations to D.C. Water.
- A-Louisville Water
- A-Gwinnett County Water
- BSeattle Water
- BCitizens Water
- BMemphis Water
- BDenver Water
- BAqua America Pennsylvania - Norristown
- B-San Francisco Public Utilities Commission - SFPUC
Ranking of Large US Cities
How does D.C. 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).
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