Groundwater Protection - Publications & Plans

When conducting hydrogeological reviews, several publications provide essential background information on the City's Wellhead Protection Areas. Printable versions of the City's documents are available below.

NEW Public Review Draft 2009-2014 Water System Plan Technical Documents

Allison Springs and East Olympia

Well Source Protection Plan – A Wellhead Protection Plan for the City of Olympia's Allison Springs and East Olympia Supply Wells – December 1997.

McAllister Springs

  1. Wellhead Protection Plan for McAllister Springs – September 1995.
  2. Chapter 4: Wellhead Protection Program Groundwater Investigation
  3. Chapter 5: McAllister Springs Wellhead Protection Program Goals, Objectives, and Problem Identification
  4. McAllister Wellfield Numerical Model (Sections 1-4) Interim - April 2002 (Please note all figures are located at the end of the document.)
  5. McAllister Wellfield Numerical Model (Sections 5-8) Final - July 2002 (Please note all figures are located at the end of the document.)

Other Publications

  1. Hydrology and Quality of Ground Water in Northern Thurston County, Washington, Water Resources Investigation Report 92-4109 (Revised), United States Geological Survey. 1998.
  2. Conceptual Model and Numerical Flow Simulation of the Ground-Water-Flow System in the Unconsolidated Sediments of Thurston County, Washington, Water Resouces Investigation Report 99-4165, United States Geological Survey. 1999.
  3. Soil Survey of Thurston County, Washington. United States Department of Agriculture, Soil Conservation Service.
  4. Thurston County Water Resources Annual Monitoring Report, 2003-2005 Water Years.

Contact Us:

Contact staff members Victoria DeCillo at 360.753.8463 or Liz Hoenig at 360.753.8152, or send an publicworks@ci.olympia.wa.us.

Need More Information? Contact the Public Works office.

Physical Address: 924 7th Ave. SE, Suite A
Mailing Address: PO Box 1967, Olympia, WA 98507
Download printer-friendly (PDF) directions to our office
Hours: Monday - Friday from 8:00 a.m. to 5:00 p.m.
Phone: 360.753.8588
Email: publicworks@ci.olympia.wa.us