to Report Odors
promptly investigate all complaints. A District representative is
always available to take your report.
Monday through Friday, 8 a.m.
- 5 p.m:
477-7500, extension 0
(510) 477-7500, extension 1
remain on the line. A District employee will respond by phone or
If the Sewer
Odor is Outdoors:
Call USD at the numbers
above. We will dispatch personnel to investigate the odor.
If the Sewer
Odor is Indoors:
you can do before calling USD:
Check your traps. A dry
trap is the most common cause of sewer odors indoors. Traps are
typically visible under sinks, and are similar to the drawings below.
Every shower, tub, floor drain and toilet has a trap, too. Water
resting at the bottom of this "U" shaped device creates
a constant seal between the fixture and the sanitary sewer system.
To read more about maintaining
your traps and vents,
If you have checked your
traps and are still concerned about an odor in your building, call
USD at the numbers above. We will dispatch personnel to investigate
trap is full, odors
normally to the
trap is dry, an unsafe condition may be present and odors
Does to Prevent Odors
Union Sanitary District
strives to prevent odors from impacting our customers. We regularly
inspect and maintain over 770 miles of our sewer lines throughout
the Tri-Cities, and we routinely treat our trunk sewers and pumping
system to prevent growth of odor-causing bacteria. At the Treatment
Plant, we have a extensive odor control system that operates continously
24 hours a day.