The pump stations are inspected and serviced bi-weekly, and water elevations are recorded bi-weekly. All debris collected at the trash rakes and culverts is sorted by inmates and disposed of at the appropriate disposal facilities. Automated trash racking systems have been installed at the primary pumping facilities, and the log booms removed. This automated system clears the debris from the water as it reaches the pump station, and debris no longer accumulates at the log boom. The districts have installed log booms in other high debris collection sites, which allows for the collection of floating debris in central areas, instead of allowing it to float throughout the slough system. Flow control structures are inspected and serviced bi-annually.

Facility areas, such as pumping stations, discharge structures, and discharge pipes are maintained to the degree required to allow equipment to access on either side of the pipes or structures. Since these areas require a bi-weekly visual inspection, grass is the only vegetation permitted in these areas.

Pumps Stations are sprinkled throughout the four Districts.

Multnomah County Drainage District Pump Stations:

MCDD-PS#1

MCDD-PS#2

MCDD-PS#4

MCDD-Broadmoor PS 

Peninsula Drainage District #1 Pump Stations:

PEN1-PIR PS

PEN1-Vanport PS

Peninsula Drainage District #2 Pump Stations:

PEN2-Schmeer PS

PEN2-13th PS

Sandy Drainage Improvement Company Pump Stations:

SDIC-SDIC PS