Davis Septic Design
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*Have a failed system and need a repair, text 911 to 425-248-1140 with the address and we will get back to you within 24hrs
Failed septic system? Selling your home and did not pass the septic evaluation?
We can help!
King County / Snohomish County Septic Design
We are a Washington State licensed septic design company and pride ourselves on providing timely and cost-effective services for over 30 years to individuals living in King County and Snohomish County.
Services We Provide:
*Septic Feasibility / Perc Test – This involves going out to the site where soil log holes will be dug to assess soil types and depth to ensure they meet the counties requirements for an OSS.
*Septic Repair Design / New Construction – There will be certain documents that will be required by the client to obtain which could include the CAD (Critical Area Designation), water certificate or a sewer certificate that is required by the Health Dept. upon design submittal.
Fast turnaround – Typically allow a week for the site visit, and a week to prepare the design and submit to the County Health Department.
Time Lapse video of recent installation (we did say “fast service!”)
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Here are a few of the variety of septic systems we specialize in designing and providing construction management to the installers.
Conventional Septic System –
• Gravity Distribution
• Pump to Gravity
• Low Pressure Distribution
Alternative Septic Systems (listed below) –
(Septic systems that are required by local Health Departments when there is a lack of area and/or soils).
• NU Water ATU (NO UV REQUIRED)
• Netafim sub-surface drip irrigation
• Geo-Flow sub-surface drip irrigation
• Sand-Filter System and Sand-Filter rebuilds
• Mound System and Mound System rebuilds
• Advantex Treatment Systems
• Glendon Bio-Filter Systems
• Nibbler Systems
• Whitewater ATU (UV required)
• Fast Treatment Systems (UV required)
(UV= Ultraviolet light)
• LoweFlow OSCAR (NO UV REQUIRED)
If your property is required to have an alternative system, we design the most cost-effective system for long term performance and low-cost maintenance.
We provide (repairs, new construction, and feasibilities) in the following locations:
King County: Bothell, Shoreline, Lake Forest Park, Kenmore, Woodinville, Duvall, Kirkland, Redmond, Carnation, Seattle, Bellevue, Sammamish, Mercer Island, Issaquah, Newcastle, Snoqualmie, North Bend, Renton, Burien, Federal Way, Black Diamond, Maple Valley, Auburn, Fall City, Kent, Covington, Des Moines, Tukwila, SeaTac, Normandy Park, Vashon Island, Enumclaw.
Snohomish County: Everett, Marysville, Snohomish, Edmonds, Lynnwood, Monroe, Gold Bar, Stanwood & Arlington.
