Winthrop White Avenue Waterline Improvement Monitoring
In Water

Winthrop White Avenue Waterline Improvement Monitoring

Plateau has been assisting the Town of Winthrop and Shea, Carr & Jewell, Inc., dba SCJ Alliance with cultural resource requirements for the town’s water improvements project. As part of the project, Plateau provided a cultural resource survey and report in 2014. At the recommendation of a Tribal Historic Preservation Officer, Plateau prepared an Inadvertent […]

Ellensburg Bull Road Utility Extension

Ellensburg Bull Road Utility Extension

The City of Ellensburg is planning to extend domestic water, sewer, natural gas, power, and telecommunications utilities along Bull Road and Berry Road. RH2 Engineering has retained Plateau Archaeological Investigations, LLC to conduct a cultural resource survey to identify potential archaeological resources and potential historic properties in the Project Area prior to planned ground disturbing […]

City of Wenatchee Well Project
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City of Wenatchee Well Project

The City of Wenatchee conducted exploratory well drilling and testing at two locations near Rock Island Dam in Chelan County. The testing occurred on land owned by the Chelan County Public Utility District No. 1, and the project’s Area of Potential Effect was found to intersect portions of a previously recorded archaeological site. The cultural […]

Winthrop Water System Improvements, Phase 2 & 3
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Winthrop Water System Improvements, Phase 2 & 3

The Town of Winthrop is planning additional water system improvements which implements aspects of the Town’s six year plan addressing water quality, reliability, maximum demand, and flow.  The area of potential effect (APE) covers approximately 11.9 acres.  Phase 2 of the project includes replacement of approximately 1,620 linear feet of 6-inch waterline with 12-inch waterline.  […]

Warden Water Supply Project
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Warden Water Supply Project

  The City of Warden is proposing to update the water supply system by reconfiguring their transmission pipeline and well usage.  One well will be reconfigured from farm irrigation use to city supply.  A second well will be converted from city supply to farm irrigation.  A third well will be constructed for city supply.  This […]

City of Winchester Water Project
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City of Winchester Water Project

The City of Winchester proposed to upgrade the city’s water system by adding two new water sources and a reservoir to their municipal system.  Three possible well locations and an existing spring development were proposed as water sources.  An additional well location was investigated as an alternative water source.  Wells will occupy a 20-x-20-foot area.  […]

Archaeological Monitoring for Benton Irrigation District’s Irrigation System Improvements
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Archaeological Monitoring for Benton Irrigation District’s Irrigation System Improvements

The Benton Irrigation District’s (BID) Water Conservation Program aims to improve irrigation systems to enhance the water in the Yakima River Basin by permanently returning water to the river. New sub-mains will be installed along existing roads or utility corridors in a project area that covers 5.5 acres. Plateau was retained for archaeological monitoring of […]

East Side Liberty Lake Improvement Club Water System Update
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East Side Liberty Lake Improvement Club Water System Update

The East Side Liberty Lake Improvement Club (ESLLIC) secured funding to assist with upgrades to their water supply system.  The proposed undertaking includes the demolition of an existing booster station, a 20,000-gallon reservoir, and well pump station.  The ESLLIC will then construct a new building to house the well, pumps, and electrical equipment in the […]

Curlew Kai Water System Reservoir Construction Project
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Curlew Kai Water System Reservoir Construction Project

The Curlew Kai Community is proposing to upgrade its water system by adding two new reservoirs and new air vac locations.  The area of potential effect (APE) covers approximately 1.0 acre.  The reservoirs, each 30 feet in diameter and holding approximately 100,000 gallons, will be built adjacent to the existing well house.  The installation of […]

New Reservoir Site Location Feasibility Project
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New Reservoir Site Location Feasibility Project

The City of Pateros, located in Okanogan County, is conducting a feasibility study to build a new reservoir, located along the north edge of the city.  The area of potential effect (APE) covers approximately 1.0 acre. Pre-field research revealed 18 previously recorded cultural resources and one archaeological district within 1.0 mi (1.6 km) of the […]

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