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The Washington State Department of Ecology (sometimes referred to simply as "Ecology") is the state of Washington's environmental regulatory agency. Created in February 1970, it was the first environmental regulation agency in the U.S. predating the creation of the Environmental Protection Agency (EPA) by several months.
The lagoon system was built in the 1960s and covers 200 acres (81 ha). A mechanical treatment plant was opened in 1991 to accelerate water cleaning. Both systems were expanded in 2005–2007 to treat a combined 36 million US gallons (140,000 kl) of wastewater per day. [3]
Beginning in the 20th century, designers of industrial and municipal sewage pollution controls typically utilized engineered systems (e.g. filters, clarifiers, biological reactors) to provide the central components of pollution control systems, and used the term "BMPs" to describe the supporting functions for these systems, such as operator training and equipment maintenance.
The South Treatment Plant is a wastewater treatment plant in Renton, Washington owned by King County. The plant opened in 1965, and treats over 90 million U.S. gallons (340 million liters) of wastewater per day. It treats sewage for 650,000 people in the cities of Renton, Auburn, Bellevue, Issaquah, Kent, and Sammamish. [1]
For permits other than stormwater permits, the agencies issue effluent limitations for specific pollutants, pursuant to the Clean Water Act (CWA). The basis for these limitations depends on the type of discharging facility, the discharge characteristics and status of the specific surface water body receiving the discharge.
Environmental monitoring is the processes and activities that are done to characterize and describe the state of the environment. It is used in the preparation of environmental impact assessments, and in many circumstances in which human activities may cause harmful effects on the natural environment.
The UCMR3 testing will help municipal water system operators measure the occurrence and exposure of contamination levels that may endanger human health. The State Hygienic Laboratory at the University of Iowa is the only state environmental public health laboratory that has been certified and approved to test for all 28 chemical contaminants on ...
The Washington Conservation Corps (WCC) is a sub-agency of the Washington State Department of Ecology. WCC members work on projects in their communities, from habitat restoration , to trail construction, to natural disaster response.