If you want to use rainwater as your sole water supply when building a new home contact your local county planning department.
Green roofs department of ecology washington.
We re proud to protect preserve and enhance washington s environment for current and future generations.
Lid technical guidance manual for eastern washington.
According to the district department of energy and environment doee there are about 2 3 million square feet of green roofs in the city.
A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof.
It seeks to prevent pollution at its source by creating chemicals that are less toxic.
Welcome to the department of ecology.
Washington state department of ecology air quality monitoring website air monitoring sites the menu on the left provides the ablity to launch a map of washingtons state s air monitoring sites execute site reports view most recent data and link to other sites.
Air quality telemetry system.
This eliminates exposure to toxic chemicals for workers consumers and the environment.
Green roofs are also known as vegetative or eco roofs.
The department plans to increase that by another million.
One organization green roofs for healthy cities grhc is working to increase the number of knowledgeable professionals.
For regulation purposes the washington department of health s office of drinking water considers rainwater to be surface water subject to the requirements of the surface water treatment rule.
Guidance for uic wells that manage stormwater.
They fall into three main categories extensive intensive and semi intensive.
What is a green roof.
The green roof professional grp accreditation program was created by grhc in 2004 to create a body of professionals versed in the design installation and maintenance of green roofs.
Airport stormwater design manual.