A good septic system is a miracle of human ingenuity, invisibly processing and purifying household wastewater and returning it to the earth. It’s an efficient, economical solution for households in ...

Aerobic treatment units that add active aeration for a higher treatment standard Drip dispersal systems for steep slopes or limited drainfield space ...

If your system is only a septic tank and drainfield, commonly called a gravity system, you need to inspect it at least once every three years. All other types of systems are required to be inspected ...

Stacy is a journalist and content creator with six years of experience writing about home improvement topics. Besides Forbes Home she has contributed her work and expertise to publications such as ...

The average household septic system should be inspected at least every three years by a septic service professional. Household septic tanks are typically pumped every three to five years. Alternative ...

Q: Some garbage disposals are advertised as suitable for homes with septic systems. Is it smart to install one? A: You can if you want to, but plan to have your septic tank pumped — or at least ...

Only individuals with Certificates of Competency or licenses are authorized to perform work and maintenance on septic systems. Below are lists of licensed and certified professionals in King County.