Well Drilling and Septic Systems License Requirements in Washington
Yes — to operate a well drilling and septic systems business in Washington, you need a Washington Well Driller / Septic Installer License from Washington Department of Environmental Quality. The license costs approximately $475 initial, $285 renewal and renews every 1-2 years. Key requirements include: Pass well driller or septic installer examination and Complete required training hours.
Washington Well Drilling and Septic Systems License at a Glance
- License: Washington Well Driller / Septic Installer License
- Regulator: Washington Department of Environmental Quality
- Estimated fee: $475 initial, $285 renewal
- Renewal period: 1-2 years
- Processing time: 30-60 days
- Last verified: 2026-07-21
Key Requirements
- Pass well driller or septic installer examination
- Complete required training hours
- Submit proof of experience
- Obtain liability insurance
- Register equipment with state
Frequently Asked Questions
Do I need a license to run a well drilling and septic systems business in Washington?
Yes. Well Drilling and Septic Systems businesses in Washington need a Washington Well Driller / Septic Installer License issued by Washington Department of Environmental Quality before operating. Operating without it can result in fines, business closure, and legal liability.
How do I get a well drilling and septic systems license in Washington?
To obtain a well drilling and septic systems license in Washington, you must: Pass well driller or septic installer examination, Complete required training hours, Submit proof of experience. The license is issued by Washington Department of Environmental Quality and typically costs $475 initial, $285 renewal.
How much does a well drilling and septic systems license cost in Washington?
A well drilling and septic systems license in Washington costs approximately $475 initial, $285 renewal. This fee covers the initial application. Renewal occurs every 1-2 years.
How long does it take to get a well drilling and septic systems license in Washington?
Processing time for a Washington well drilling and septic systems license is typically 30-60 days. Processing times may vary based on application completeness and background check requirements.
Who regulates well drilling and septic systems businesses in Washington?
Well Drilling and Septic Systems businesses in Washington are regulated by Washington Department of Environmental Quality. They oversee licensing, compliance, and enforcement for this industry.