Upfront Septic recently completed a septic system inspection and excavation at a property in Gig Harbor, WA, after the homeowner contacted us to verify root intrusion issues identified by another septic company. The customer wanted a second opinion and a closer look at the system to confirm the reported problems and determine what maintenance and repairs were needed.
Upon arrival, our technicians located a two-compartment septic tank and a separate pump tank in the front yard. The septic tank was approximately 24 inches below grade, while the pump tank was approximately 29 inches below grade. During the inspection, we discovered significant root intrusion around the inlet riser, particularly where the riser connects to the tank and where the lid meets the riser. Additional root intrusion was found around the first-compartment riser. The second compartment was approximately 32 inches below grade and did not have a riser, preventing our team from directly inspecting it. Based on the conditions found in the accessible areas, root intrusion is also suspected in the second compartment.
Our technicians also identified lighter root intrusion around the outlet riser and found that both the first-compartment lid and pump tank lid were damaged and need replacement. No root intrusion was observed in or around the pump tank itself. Because previous service reports indicated the septic tank had not been pumped in approximately 11 years, we recommended pumping the entire system as part of the necessary maintenance.
A drawdown test was also performed to evaluate the system's ability to move wastewater. Measurements were recorded at 78 inches and 80 inches, resulting in an average drawdown rate of approximately 1 inch per minute. Based on this result, drainfield maintenance was recommended.
The recommended work includes resealing the inlet and outlet risers, installing an additional riser, replacing damaged riser lids, completing the necessary excavation, and pumping the septic system and pump chamber. Drainfield maintenance is also recommended to address the system's performance concerns. This project has been identified as requiring additional work, and the More Work To Follow (MWTF) appointment has already been scheduled so the recommended maintenance can move forward.
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