How are the regional stormwater utility service areas determined?
The utility service areas for the cities of Yakima and Sunnyside are the city limits. Union Gap currently does not have a stormwater utility. For urban Yakima County, the utility service area is the larger of either the Urban Growth Area, or the U.S. Census Bureau 2000 Census definition of “urban” based on population density. The County utility service area mirrors the extent of the regulated municipal storm sewer system defined in the Washington Department of Ecology Eastern Washington Phase II Municipal Stormwater Permit. A map of the Yakima County Stormwater Utility boundary is available online (PDF).

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1. What is the National Pollutant Discharge Elimination System (NPDES) Stormwater Program?
2. What is a Municipal Separate Storm Sewer System (MS4)?
3. Which Municipal Separate Storm Sewer Systems are regulated by the Eastern Washington Phase II Municipal Stormwater Permit?
4. How are the regional stormwater utility service areas determined?
5. What is stormwater and why is it a problem?
6. What is an impervious surface?
7. How will the stormwater management program benefit taxpayers, homeowners, etc.?
8. What kinds of pollutants are found in the storm drain system?
9. Are sewers and storm drains the same thing?
10. What can residents do to help improve stormwater quality?
11. What can you put down the storm drain?
12. What happens if the Regional Stormwater group does not comply with its NPDES stormwater discharge permit?
13. What is meant by a "larger common plan of development or sale?"
14. What kinds of stormwater discharges are required to have NPDES stormwater permit coverage?
15. What is the stormwater fee used for?
16. How is the stormwater fee calculated?
17. Is the utility fee just another tax?
18. Why a stormwater utility now?
19. No water runs off my property. Why am I being charged a stormwater fee?