Wash. Admin. Code § 194-29-040
For purposes of assessing compliance with these rules, each local government using 200,000 or more gallons of gasoline and/or diesel to fuel vehicles on an annual basis is required to report as described in WAC 194-29-080. The department will collect data from a variety of sources to ensure local governments meeting this threshold are fulfilling the reporting requirement. To determine which transit agencies meet the reporting threshold, the department will use the most recent data from the National Transit Database, as published by the Washington State Department of Transportation.
Any local government with fuel use that initially meets the reporting threshold but subsequently drops below the threshold is encouraged to continue filing reports.
Given the findings of the underlying legislation and associated policies guiding public sector use of alternative fuels and vehicles, the department intends to continue to monitor local government compliance beyond June 1, 2018.
Wash. Admin. Code § 194-29-040