A Wesco Septic, Inc.


16607 SR 9 SE
Snohomish, WA 98296
(360) 668-6561
Open All Day Today
Personal Checks, Cash, Mastercard, Visa
A Wesco Septic is your full service sewage and septic specialist in Snohomish and King County.

Septic Tank Pumping

An average 4 bedroom house with a 1200 to 1500 gallon tank should expect to have the tank pumped every 3 - 5 years of typical use.

Side Sewer Hookup

The portion of the lateral sewer pipe that runs from the connection at the sewer main to the property line.

Drainfield Vacuum

The distribution system must be equipped with an air vacuum release valve or other device to prevent siphoning.

Line Jetting Service

Jetting can be used to eliminate a back-up or scheduled regularly for routine Maintenance. Pipe jetting doesn't just clear a blocked line, it completely cleans out your drain.

Septic Enzyme Service

Using Roebic treatments for your septic system will ensure your system has the biological balance of beneficial bacteria which results in a properly functioning system.

Drainfield Install & Repair

Septic drain fields, also called leach fields or leach drains are used to remove contaminants and impurities from the liquid that emerges from the septic tank.

Buyer & Seller Inspections

Septic tank inspection services in Snohomish and King County including Seattle, Kirkland, and surrounding areas. Contact us before selling or buying property that uses septic.

Septic Systems Designed

Primary design considerations are hydraulic for the volume of wastewater requiring disposal and catabolic for the long-term biochemical oxygen demand of that wastewater.

Installation - Pumps, Filters, Baffles

Installing a septic tank filter will help protect your drain field from contamination and possible failure. What type outlet baffle does your tank have; concrete, PVC, terra cotta or plastic?

Electronic Locating

Locating your sewer line is no longer a guessing game! With our electronic locating equipment, we can find even the deepest sewer systems.

In-Line Camera Work

A flexible rod with a high-resolution color video camera on its tip is inserted into the pipe for inspection.

Maintenance & Monitoring

If properly designed, constructed and maintained, your septic system can provide long-term, effective treatment of household wastewater.
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