On-site wastewater application guides and forms
PLEASE NOTE: Before completing applications, contact the On-site Staff to determine the correct type of application for what you want to do.
| Authorization Notice | Required when placing into service, reconnecting to, changing the use of, or increasing the projected daily sewage flow into an existing onsite system. |
COMPLETED CONSTRUCTION PLAN, MATERIALS LIST FINAL INSPECTION REQUEST | |
INFORMATION ON ALTERNATIVE SYSTEM TECHNOLOGIES | |
Application for Single Family Residential Septic System | Use this application form for a single-family residence septic system. |
Application for Commercial-Industrial Septic System | Use this application form for a commercial or industrial septic system. |
DEQ LICENSED INSTALLER/PUMPERS LIST OPERATING IN COLUMBIA COUNTY | Only the property owner or a DEQ-licensed installer can act as the applicant. |
A guide on septic systems and general information for homeowners. | |
| Installing a septic system | A guide for owners installing septic systems. |
PLANNING APPROVAL OF AN ON-SITE APPLICATION | |
| List of Installers | A list of septic system installers updated in December, 2019. |
PROCEDURES FOR CONDUCTING A LOT EVALUATION | |
PROCEDURE FOR INSTALLING A NEW SYSTEM | |
AUTHORIZATION OF PROPERTY OWNER FOR APPLICANT (ONLY REQUIRED IF APPLICANT DIFFERS FROM PROPERTY OWNER) | |
| Permit checklist | This form ensures you are submitting all exhibits for a complete application depending on the type of approval. |
CONSTRUCTION PROPOSAL PLAN MATERIALS LIST | |
INFORMATION TO BE SHOWN ON A PLOT PLAN | |
| Sample Plot Plan | A sample drawing of a plot plan. |
A guide on how to maintain your sand filter system. | |
| A guide on how to maintain your septic tank. | |
Required for decommissioning septic systems. | |
| A guide for how to prepare a test pit for a septic system. |
Public Records Disclosure: Under Oregon law, information you provide to the County is a matter of public record that is subject to disclosure unless an exemption from disclosure is authorized by law. You are responsible for knowing the law governing public records. Requests for nondisclosure must be in writing. You bear the burden of proving that an exemption authorized by law prevents disclosure. The County will not disclose such information unless required by law. Persons concerned with personal safety are directed to ORS 192.445(1) and Oregon Administrative Rules (OAR) 137-004-0800. Persons concerned with personal privacy are directed to ORS 192.502(2).