Surface Water Management Division

Learn About Your Well and Groundwater

Your Well

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Washington State Well Log Viewer

Groundwater

What Is Groundwater (pdf)

Where Does Groundwater Come From (pdf)

What Is An Aquifer (pdf)

What Does A Well Look Like (pdf)

Monitor Your Well

Monitoring Your Water Well - This website details methods you can use to monitor the water level and water quality in your well.

Well Basics

Typical water well construction and terms - This link was prepared by the Montana Ground-Water Information Center.

What Are The Threats To Groundwater

Arsenic in Groundwater

Report on Groundwater Contamination that Affects Drinking Water in Washington State - This link provides a broad discussion of naturally occurring contaminants, including arsenic that are found in the groundwaters of Washington State.

Arsenic in ground water of the United States - This is the US Geological Survey’s site on the occurrence of Arsenic in the groundwaters of the Unite States

Nitrates in Groundwater

Predicting Ground-Water Vulnerability to Nitrate in the Puget Sound Basin - US Geological Survey Report on aquifer susceptibility to nitrate contamination in the Puget Sound Lowlands.

Frequently Asked Questions about Nitrate in Groundwater - This site was prepared by the Santa Clara Valley California Water District. 

About the Groundwater Program

Useful Groundwater Links

Frequently Asked Questions