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Stormwater Management in Portland


Stormwater is rain and snow melt that runs off surfaces such as rooftops, paved streets, highways, and parking lots. Stormwater carries sediment, oil, grease, nitrogen, phosphorus, and other pollutants into storm drains and then, untreated, into nearby waterbodies. Because most stormwater drainage systems provide no treatment, preventing contamination of stormwater is crucial to ensure that pollutants do not enter waterways. Improperly managed stormwater runoff is also a leading cause of flooding, which can lead to property damage, cause road safety hazards, and clog catch basins and culverts with sediment and debris.
The federal Clean Water Act, Safe Drinking Water Act, and Endangered Species Act direct the City to improve stormwater quality and protect watersheds, rivers, streams and drinking water resources. The Bureau of Environmental Services coordinates the citywide response to the federal stormwater permit that requires the City to reduce stormwater pollution, and oversees other programs that respond to water quality requirements.

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Comments

Unknown said…
Nice. Great source.
June 9, 2015 at 12:18 AM
Unknown said…
Good to know that the problem was addressed and resolved. Environmental consultants in Sydney often suggest assessing of stormwater quality and quantity to come up with treatment system design. An efficient treatment design will help prevent risk of flood and erosion in an area.
June 18, 2015 at 8:58 PM
0s0-Pa said…
There is definitely a lot of room for improvement with regard to proper inlet filter and stormwater control.
-Daniel
September 15, 2015 at 3:54 AM
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