Managing Stormwater Runoff
Stormwater facilities are engineered structures designed to convey stormwater runoff to help remove pollutants and prevent localized flooding. These stormwater structures can include ponds, swales, catch basins, pipes, underground tanks and vaults. Since stormwater facilities are man-made structures, they require regular maintenance to make sure they continue to properly capture and treat stormwater runoff.
Thurston County Resource Stewardship staff performs inspections of private and commercial stormwater facilities on an annual basis to ensure they are functioning properly and is available to provide technical assistance as needed. Email us at firstname.lastname@example.org if you have questions about the maintenance of your stormwater facility.
As native vegetation is removed and replaced with impervious surfaces such roads, parking lots, and buildings, rainwater is no longer absorbed by plants or able to slowly infiltrate into the soil. In cities and developed areas, rainwater runs off at a much higher rate than it did before the existing vegetation was removed, resulting in pollutants and sediments being washed from impervious surfaces and into our bays and streams during rain events.
The following video, produced by King County, describes stormwater runoff and why it's important to manage it. Some of the phrasing pertains only to King County, but the video provides a good overview. Enjoy!
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