Stormwater
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Frequently Asked Questions
Find answers to important questions quickly and easily.
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Illicit Discharges
Illicit discharges are the introduction of non-stormwater runoff, sewage, or hazardous materials into the public stormwater system.
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Important Resources
Find helpful documents, resources, and online applications.
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Low Impact Development
The objective of this project is to demonstrate Low Impact Development (LID) stormwater practices in Yakima County.
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Maps
Find a collections of area maps, floodplains, and zoning maps.
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Permits & Regulations
Find a list of permits, guidelines, and plans from the Department of Ecology and other ordinances.
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Stormwater Manual
Stormwater Manual
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Stormwater Outreach
Stormwater Outreach Program
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Stormwater Utilities
Stormwater utilities in each community provide revenue to pay for operation and maintenance of stormwater infrastructure and permit compliance for stormwater discharge.
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Yakima Regional Stormwater Working Group (RSWG)
The RSWG is an advisory group consisting of local elected or appointed officials from Yakima County, and the cities of Yakima, Sunnyside and Union Gap to oversee municipal staff efforts to regionally comply with stormwater permit requirements.