-
Frequently Asked Questions (FAQs)
Do I need a permit to replace my pump? No. Work that is conducted within the septic/pump tank does not require a permit generally. Examples of this type of work that do NOT require a permit includes cleaning, changing, or retrofitting your tank with an effluent filter, measuring sludge accumulation, pumping the septic tank/pump chamber, or cleaning of the back-flow prevention valve. If the tank needs to be replaced, this DOES require a permit for tank placement. How much does a septic permit cost? The permit application fees are available here (see "Fees" at the bottom of the page). Do …
Environmental Health - March 21, 2016, 1:50 p.m.
-
List of Certified Professionals
Current list of county certified Septic Designers/Engineers. Any septic designer or Professional Engineer (P.E.) licensed in the State of Washington may design onsite sewage systems in Lewis County. This list contains the names of those professionals who have indicated they would like to be listed on the Lewis County web page. Interested in becoming a county certified Septic Designer, please find the application here.Current list of county certified Septic Installers. Interested in becoming a county certified Septic Installer, please find the application here.Current list of county certified Septic Pumpers. Interested in becoming a county certified Septic Pumper, please find the …
Environmental Health - Jan. 31, 2020, 2:31 p.m.
-
Septic Program
Updates to Lewis County Code 8.40, On-Site Sewage Systems LCC 8.40, 2025On August 26, 2025, the Lewis County Board of County Commissioners approved an updated Lewis County Code 8.40, On-Site Sewage Systems. Please see the attached document for the updated code. While the new code has not been published as of yet, it is effective as of August 26, 2025. To request a septic system construction final inspection, please call the Septic Inspection line at (360) 740-1330. Applications & Fees Test Pit Guidelines Gravity Construction Standards List of Certified Professionals (Designers, Installers, Pumpers) Certified Professional Resources FAQ Onsite Septic Homeowners …
Environmental Health - Jan. 30, 2018, 3:13 p.m.
-
Informational Brochures
Introduction to the Permit Process - Fact Sheet 1What is a Septic System & How Does it Work? - Fact Sheet 2Septic System Myths - Fact Sheet 3Safe Substitutes for Hazardous Household Products - Fact Sheet 4How do I Maintain my Septic System? - Fact Sheet 5What can go Wrong with a Septic System? - Fact Sheet 6Operation & Maintenance of Your Gravelless Drainfield - Fact Sheet 7Operation & Maintenance of Your Mound System - Fact Sheet 8Operation & Maintenance of Your Pressure Distribution System - Fact Sheet 9
Environmental Health - Jan. 31, 2020, 9:58 a.m.
-
Septic System Forms
Permits New Construction permit: Minimal requirements include the completion of a Sewage Permit/Evaluation Application, Site Application Project plan, and Permission to Enter form.The Site Application Project Plan: Certain information is critical to being able to evaluate a proposed onsite sewage system. These include,The source of drinking water supply,size of the parcel,type and use of building being constructed,location of existing and proposed utilities, anda dimensioned site plan showing proposed initial system, the reserve area, soil logs and other soil tests, general topography and/or slope, drainage characteristics including streams, ponds, and wetlands, and any existing or proposed easements or encumbrances.A total of …
Environmental Health - Feb. 1, 2018, 2:08 p.m.
-
Felony Daily Docket 07-02-2025
Felony Daily Docket 07-02-2025
Prosecutor - July 2, 2025, 10:17 a.m.
-
Felony Daily Docket 1-9-26
Click hereFelony Daily Docket 01-09-2026
Prosecutor - Jan. 9, 2026, 11:03 a.m.
-
Felony Daily Docket 03-03-2026
Click hereFelony Daily Docket 03-03-2026
Prosecutor - March 3, 2026, 9:03 a.m.
-
Felony Daily Docket 02/24/2026
Click here Felony Daily Docket 02/24/2026
Prosecutor - Feb. 24, 2026, 9:08 a.m.
-
Felony Daily Docket 02-25-26
Click here Felony Daily Docket 02-25-26
Prosecutor - Feb. 25, 2026, 8:43 a.m.