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Rick Dinicola,
Associate Director, WA Water Science Center,
934 Broadway,
Suite 300
Tacoma, WA 98402

(253) 552-1603
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North Beach Groundwater

Project Summaries

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WA176 - Groundwater Resources of the North Beach Peninsula, Pacific County, Washington - Completed FY1977

Problem - The North Beach Peninsula is experiencing a rapid population growth. Water supplies are derived from shallow wells or surface water imported from off the peninsula. Shallow wells are subject to contamination from septic tanks. Drilling and pumpage from higher yielding wells could create salt-water intrusion problems. An analysis of the ground-water system is required to determine how much ground water can safely be developed on the Peninsula.

Objectives - To describe the present ground-water conditions, estimate the amount of ground water that can be developed, and evaluate the potential effects of various levels of development.

Approach -

  1. Inventory wells and establish observation well network,
  2. Install recorders on some wells to evaluate tide effect and recharge and discharge,
  3. Make periodic lake level readings,
  4. Conduct and analyze aquifer tests,
  5. Auger 15 or 20 test holes for data on water levels and aquifer characteristics, (6) Analyze ground-water samples for organic and inorganic constituents.

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