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Active Number of Washington State Group A and Group B Public Water Systems

Updated 03/02/12

Public Water Systems by Type:

Number

Total
Community 2,238  

Nontransient noncommunity (NTNC)

 320  

Transient noncommunity (TNC)

 1,556  
Total Group A Water Systems  

4,114
Total Group B Water Systems  

13,160
Total Group A and Group B Water Systems  

17,274

For questions regarding this data, e-mail the DOH Helpdesk.

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03/05/2012 11:01 AM