Contact Environmental Health or call (509) 886-6450

EH Complaint Form

Please copy above form and send completed form to Scott Reynolds  

Land Development / Land Use

Septic & Wastewater Programs                               

• Inspect new and replacement septic systems  
• Investigate failing septic systems  
• License septic tank installers and pumpers  
• Perform evaluations for home loans and property sales
• Review new subdivisions and short plats

Onsite Sewage Systems  

Operation & Maintenance of Onsite Sewage Systems

Operation and maintenance (O & M) is about on-site sewage systems (OSS) functioning properly and being cared for correctly. 

In order for an OSS to continue to function properly, care must be taken by those responsible for it. 

Proper monitoring, correct operation and maintenance are the responsibility of the OSS owner. 

The Washington Administration Code, Chapter 246-272A-0270

Details homeowner maintenance responsibilities.

Who can Perform an Evaluation of My OSS?

• OSS evaluations must now be done by a licensed O&M Specialist.
• A Report is completed at the time of the evaluation by the O&M Specialist---reports may be submitted by service provider through the eonsite.net system
• See list of local persons

When do I need an OSS Evaluation?   

• Once every three years for conventional gravity systems (systems consisting of only septic tank and drain field)
• Annually for all other systems unless specified otherwise by the manufacturer.

Who are the O&M Specialists?

    Professionals licensed by Chelan-Douglas Health District that have:

•  At least two years continuous experience in the OSS industry
• Completed proper training courses and
• Maintain continuing education in the field of O&M

Here is a current list of O&M Service Providers

For more information, please call (509) 886-6450.

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