Water Treatment Solutions. Screening. Screening is the first treatment station, both for surface and wastewater. Easily separate and remove large matter carried along by the raw water, which might negatively affect the efficiency of later treatment procedures or make their implementation more difficult.
Redmond Average Weather. 1  The highest monthly average temperature in Redmond for July is 64 degrees. 2  The lowest monthly average temperature in Redmond for December is 42 degrees.  The most monthly precipitation in Redmond occurs in January with 0 inches.
Average monthly weather in Washington DC, United States of America. Washtington D.C. has a warm sea climate. Summers are warm and winters tend to be mild most years. Although in January and february there is a chance of snowfall. In July and August temperatures are on average around 30 degrees Celsius (86 degrees Fahrenheit).