FAQs

Test pits (commonly called perc holes) are needed to determine what type of soils are at your property and to determine the depth to the restrictive layer. We do not provide the soils analysis aka "perc testing", but we can refer you to several good

In order to get a bid from us, you'll need to have a septic system design. If you're looking for good septic system designer, please visit the links below, or contact us for referrals.     Clark County (PDF). Cowlitz County.

Does your septic tank need to be pumped? Seppanen Construction, LLC does not offer septic tank pumping. We're happy to offer a recommendation for this task. Visit the county of your residence below for more information. Clark County (PDF). Cowlitz County.

Seppanen Construction, LLC is certified to install septic systems and does not currently offer inspection services. Please contact us if you need help finding someone to inspect your septic system, or visit the site for the county of your residence below. Clark County (PDF). Cowlitz

You most likely have water leaking into the system somewhere. Do not adjust the timer settings above what they are supposed to be set at. This will a) overload the system, causing it to fail, and b) void any warranty that the system may have.

-First, determine if your pump is operated by a control panel or by demand with a float switch. -If by demand, check to see if the breaker is tripped. Check to see if there is power at the pump. If there is power try to