Drinking Water Utility Landscape
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- A PWS is a system that serves water to at least 15 service connections or serves an average of at least 25 people for at least two months out of a year.
- In the United States, there are over 148,000 PWSs serving 3,142 counties.
- PWSs are classified according to the number of people they serve, the source of their water, and whether they serve customers year-round or on an occasional basis.
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