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union sanitary district > preventing and reporting odors  
   

How to Report Odors

We promptly investigate all complaints. A District representative is always available to take your report.

Monday through Friday, 8 a.m. - 5 p.m:

(510) 477-7500, extension 0

After hours/Emergency:
(510) 477-7500, extension 1

Please remain on the line. A District employee will respond by phone or radio.

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:

What 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, click here.

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 the odor.

Full Trap

Dry Trap

When the trap is full, odors

vent normally to the

atmosphere

When the trap is dry, an unsafe condition may be present and odors

may enter the building

 

What USD 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.

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