Form 477 wireline service data from FCC for state of Washington. Providers file lists of census blocks in which they can or do offer service to at least one location, with additional information about the service.
The survey includes monthly sewer rates per “equivalent residential unit” (ERU)* served by municipal wastewater treatment plants in Washington State. Information was compiled from August 2016-January 2017 using information from utility billing web pages and phone surveys. Stormwater rates were also included as available.