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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.
Federal and State Type
From the help published with Drinking Water Watch 3.5, reproduced as delivered.
Federal Type specifies
the public water system’s federal type based on the population
served, number of service connections, activity status, etc.
Water systems are classified according to rules developed by the U.S. Environmental Protection Agency (EPA) and each state. Water Systems fall into the two broad categories: public and non-public. A public water system can be further classified as one of the following:
Note: Federal water system Types are used to establish requirements for monitoring, maximum contaminant levels, and other criteria.
State Type specifies the public water system's state type based on criteria set by the primacy agency.
Note: State Types for water systems are not used to establish requirements for monitoring, maximum contaminant levels, and other criteria.
Water systems are classified according to rules developed by the U.S. Environmental Protection Agency (EPA) and each state. Water Systems fall into the two broad categories: public and non-public. A public water system can be further classified as one of the following:
| Community (C) | Serves at least 15 service connections used by year-round residents or regularly serves 25 year-round residents. |
|---|---|
| Non-Transient Non-Community (NTNC) | Serves at least the same 25 non-residential individuals during 6 months of the year. |
| Transient Non-Community (NC) | Regularly serves at least 25 non-residential individuals (transient) during 60 or more days per year. |
Note: Federal water system Types are used to establish requirements for monitoring, maximum contaminant levels, and other criteria.
State Type specifies the public water system's state type based on criteria set by the primacy agency.
Note: State Types for water systems are not used to establish requirements for monitoring, maximum contaminant levels, and other criteria.