A Community Water System is a public water system which serves at least 15 service connections used by year-round residents or regularly serves at least 25 year-round residents.

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Other /More definition:
A Community Water System is a public water system which supplies drinking water to 25 or more of the same people year-round in their residences.

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Other /More definition:
A Community Water System is a water system which supplies drinking water to 25 or more of the same people year-round in their residences.

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Other /More definition:
A Community Water System is a water system which supplies drinking water to 25 or more of the same people year-round in their residences.