Registered Companies for Sewage Treatment
Registered Installers for Household Sewage Treatment Systems (Updated 08/18/2026)
Registered Septage Haulers (Updated 06/12/2026)
Service Providers for Household Sewage Treatment Systems (Updated 05/01/2026) Richland Public Health maintains this list of service providers for informational purposes only and does not endorse or recommend any specific company. At this time, the providers listed are those known to offer septic system sampling services in the area. Property owners are responsible for selecting a provider of their choice. Service providers who offer septic sampling and wish to be included on this list are encouraged to contact RPH to request inclusion.
