Transportation Projects

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Main Street: Bonanza to Front Street Sidewalk/Streetscape

Oregon Department of Transportation/City of Echo

The Main Street: Bonanza to Front Street Sidewalks/Streetscape (City of Echo) project was funded through a Transportation Enhancement grant from [...]

West End Beautification

West End Beautification

City of Dayton

This project included sidewalks, brick pavers, landscaping, and irrigation improvements along Highway 12 at the west gateway to Dayton. Prior [...]


2nd Street Reconstruction

City of La Grande

The City of La Grande teamed with AP to provide surveying, design engineering, and construction engineering services for reconstructing a [...]


Chandler Lane Reconstruction

Baker County

Chandler Lane, between I-84 and U.S. 30, was badly deteriorated with full-depth transverse thermal cracking the full length of the [...]

Key Boulevard

Key Boulevard Improvements

City of Milton-Freewater

The City of Milton-Freewater received $3 million in House Bill 2001 funds during the summer of 2010. The funding was [...]

Drinking Water Systems Projects

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Scenic Vista Reservoir

City of Baker City

The Scenic Vista subdivision, located in southwest Baker City, was previously served by two 25,000-gallon steel reservoirs, built in 2002.  The [...]


Dworshak National Fish Hatchery Water System Improvements

U.S. Army Corps of Engineers (USACE)

Through an on-call engineering contract with the Walla Walla District of the U.S. Army Corps of Engineers (USACE), AP provided [...]

Burbank Water System

Burbank Business Park Water System Plan

Port of Walla Walla

In the 1950s, the Port of Walla Walla began leasing land to industrial users in the Burbank area at the [...]

North End Reservoir

North End Reservoir and Booster Station

City of Connell

AP provided design and construction engineering services for the City of Connell’s water system improvements to serve the Coyote Ridge [...]

Parker Reservoir

Parker Community Water System Improvements

Yakama Nation

The community of Parker did not have a water system. Residents relied on private wells to supply their water. Many [...]

Wastewater Systems Projects

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Stanfield WWSI

Wastewater System Improvements

City of Stanfield

In 1997, the City of Stanfield contracted with Anderson Perry & Associates, Inc. (AP) to perform a wastewater system study [...]


26th Street Lift Station Improvements

City of La Grande

The City of La Grande’s 26th Street Lift Station Improvements project included rehabilitation of the City’s existing lift station.  The [...]

Athena WW Wetlands

Treatment and Disposal Wetlands

City of Athena

The majority of the City of Athena’s collection system was built in 1953, consisting of 3-foot long sections of concrete [...]

Cheyne Landfill

Cheyne Landfill Septage Screening

Yakima County

Yakima County’s Solid Waste Division operates environmentally responsible septage receiving and disposal facilities for County residents at their Cheyne Landfill [...]

Wastewater Treatment Facility

Activated Sludge Wastewater Treatment Facility

Town of Endicott

The Town of Endicott constructed a new extended aeration mechanical wastewater treatment plant with engineering services from AP. Treated effluent [...]

Water Resources Projects

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Levee Certifications and Repairs

Milton-Freewater Water Control District

The City of Milton-Freewater is protected from flooding from the nearby Walla Walla River by a series of levees built [...]

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Beaver Creek Fish Passage

City of La Grande

The City of La Grande owns and operates La Grande Reservoir on Beaver Creek in the Upper Grande Ronde River [...]

West Camp Final Pics 037 (3)

West Camp Creek Pushup Dam Replacements

Burnt River Soil and Water Conservation District

Eight diversions on West Camp Creek required the use of small pushup dams or other check structures.  The dams were [...]

Rock Creek Fish Passage

Rock Creek Fish Passage Improvements

Gilliam County Soil and Water Conservation District (SWCD)

The Gilliam County Soil and Water Conservation District retained a design/build fish passage and irrigation diversion design team that included [...]

Bennington Fish Passage

Bennington Lake Dam Fish Passage Feasibility Study

U.S. Army Corps of Engineers (USACE)

The U.S. Army Corps of Engineers (USACE) noted deficiencies in the existing fish ladder and fish passage system for the [...]

Irrigation Projects

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Silver Lake Ditch Pipeline Replacement

Wallowa Soil and Water Conservation District

In the spring of 2012, the Wallowa SWCD teamed with AP to provide design and construction engineering services for the [...]


Ritter-Tap Irrigation System Design

Natural Resources Conservation Service (NRCS)

The Ritter-Tap pipeline project, located in Halfway, Oregon, is AP’s largest Natural Resources Conservation Service-contracted design project to date in [...]

Irrigation Improvements

Irrigation Pressurization Plan and Improvements

Farmer’s Irrigation District (FID)

FID selected AP to prepare a plan for the pressurization of the District’s lower distribution system. Approximately 20 miles of [...]

Miller Hill Pump Station

Miller Hill Pump Station

Klamath Irrigation District (KID)

The goal of the replacement project was to increase the overall efficiency. The new pump system has a wire-to-water ratio [...]

Horizontal Flat Plate Fish Screen

Horizontal Flat Plate Fish Screen Research and Development

Farmer’s Irrigation District (FID)

AP supported the pioneering work of the Farmers Conservation Alliance (FCA) and the Farmer’s Irrigation District (FID) with development, design, [...]

Environmental Services Projects

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Birch Creek – Peterson Ranch Bank Stabilization

CTUIR Fisheries Program

AP teamed with the Confederated Tribes of the Umatilla Indian Reservation (CTUIR) in 2010 to stabilize the streambank along Birch [...]


Goldendale Facilities Wetland Delineation Work

Williams Northwest Pipeline

In 2011, Williams Northwest Pipeline installed a pig launching and receiving facility at the Goldendale Compressor Station near Goldendale, Washington.  [...]

Plant Survey

Lolo-Oxbow Plant Survey

Avista Corporation

One of Avista Corporation’s power transmission lines is located in Wallowa County, Oregon, the majority of which travels through the [...]

Pendleton NEPA Work

National Environmental Policy Act Work for Wastewater Facilities Improvements

City of Pendleton

The City of Pendleton contracted with AP to conduct wildlife and plant surveys and a wetland delineation on 18 acres [...]

Wetland Delineation

Wetland Delineation

City of College Place

As the future site of Gilbert Auto Group was being planned, one challenge stood out first and foremost. An existing [...]

Survey Projects

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Columbia Basin College

Columbia Basin College

RGU Architecture and Planning

AP provided design surveying for the new business building and the Center for Career and Technical Education building. AP staff [...]

Walla Walla Valley Academy

Survey Assistance – Rogers School

Walla Walla Valley Academy

AP provided topographic design, boundary determination, and utility mapping for the private academy to allow them to plan for future [...]

Catherine Creek Reach 3-4

Catherine Creek Reach 3-4 Bathymetric Survey

U.S. Bureau of Reclamation (BOR)

AP worked in conjunction with the U.S. Bureau of Reclamation (BOR), Oregon Department of Fish and Wildlife, U.S. Forest Service, [...]

Elkhorn Valley Surveying

Elkhorn Valley Survey and Testing

Horizon Wind Energy

When the wind blows through the Elkhorn Valley in Union County, the 61 turbines that make up Horizon Wind Energy’s [...]

Lampson Property

Lampson Property Construction Surveying

The Confederated Tribes of the Umatilla Indian Reservation

The AP survey team worked directly with the contractor, owners, and engineer assisting with the design-build effort needed to complete [...]

Site Civil Development Projects

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Campus Safety and Beautification

Walla Walla Valley Academy

Walla Walla Valley Academy (WWVA) is a private high school in College Place, Washington. In 2012, WWVA completed Phase 1 [...]


Riverside Park Pavilion Reconstruction

City of La Grande

The Riverside Park Pavilion was built between June 1913 and July 1914.  The gazebo and a caretaker’s house, which no [...]

WW Police Station

Walla Walla Police Station

City of Walla Walla

AP provided engineering services for site work and underground utilities for the City of Walla Walla’s new police station. On-site [...]

Wallowa Memorial Hospital Expansion

Wallowa Memorial Hospital Expansion

CLARK/KJOS Architects

AP provided surveying, materials testing, and site civil design as a subconsultant to CLARK/KJOS for Wallowa Memorial Hospital’s Medical Office [...]

Eastern Oregon Higher Education Center

Eastern Oregon Higher Education Center

Blue Mountain Community College (BMCC)

Blue Mountain Community College (BMCC) Hermiston serves over 5,000 students. Classrooms were generally filled to capacity, particularly for night classes [...]