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.

APPLICATION/GUIDE 

DESCRIPTION

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.

As-built plan

COMPLETED CONSTRUCTION PLAN, MATERIALS LIST FINAL INSPECTION REQUEST

ALTERNATIVE TREATMENT TECHNOLOGIES

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. 

GUIDE FOR HOMEOWNERS

A guide on septic systems and general information for homeowners. 

Installing a septic system A guide for owners installing septic systems.

Land use proposal

PLANNING APPROVAL OF AN ON-SITE APPLICATION

List of Installers  A list of septic system installers updated in December, 2019.

LOT EVALUATION PROCEDURES

PROCEDURES FOR CONDUCTING A LOT EVALUATION

NEW SYSTEM INSTALLATION PROCEDURE

PROCEDURE FOR INSTALLING A NEW SYSTEM

NOTICE AUTHORIZING REPRESENTATIVE

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.

PROPOSED PLOT PLAN

CONSTRUCTION PROPOSAL PLAN MATERIALS LIST

PLOT PLAN REQUIREMENTS

INFORMATION TO BE SHOWN ON A PLOT PLAN

Sample Plot Plan A sample drawing of a plot plan.

SAND FILTER MAINTENANCE

A guide on how to maintain your sand filter system. 

SEPTIC TANK MAINTENANCE

A guide on how to maintain your septic tank.

TANK ABANDONMENT FORM

Required for decommissioning septic systems.

TEST PIT PREPARATION

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).

Public Health Quick Links
230 Strand St.
Columbia County Courthouse Annex
St. Helens,
OR
97051
Fax: 888-204-8568

Monday - Friday
8:30 a.m. to 5:00
Administrator
Michael Paul