ETAR do Valdeão - Pragal, Portugal
N 38° 40.501 W 009° 10.777
29S E 484375 N 4280729
A wastewater facility in Pragal, Almada.
Waymark Code: WM43T5
Location: Setúbal, Portugal
Date Posted: 07/03/2008
Views: 46
We stumbled across this facility while geocaching after GC11JM4.
It's currently working for the municipality of Almada. It serves the around neighborhoods and the residues from the nearby Hospital, most of the Parish of Pragal. It's estimated to serve 6.000 persons per 2.5 sq mi.
What is the capacity of the facility?: 6000 cubic meters of water
Describe the biological treatment technology used.:
Activated Sludge and Trickling Filters.
The main tanks have working turbines so that the bacterias receive oxygen in order to multiply and feed themselves of the organic substances found on the residual water.
How are biosolids (sludge) managed?: The biosolids are taken to a disposal site.
What technology is used for disinfection prior to dicharge of treated water?: Cholrination
Who is the owner/operator fo the facility?: SMAS de Almada
How is the facility governed?: SMAS de Almada
What is the website of the WWTP?: [Web Link]
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Visit Instructions:
Please post at least 2 original photographs of the site. We would much rather see photos of the plant itself as opposed to the front office, but we also understand that security and site layout may limit your opportunities.