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Company
Our Mission To provide high quality, professional geologic, geomorphic, hydrologic and land use analyses; develop technical plans for cost-effective solutions; and implement environmental protection and ecosystem restoration projects. Statement of... |
Services
PWA's Watershed Division is nationally recognized for its innovative work in sediment source assessment, watershed restoration, and erosion control plans for upland salmonid habitat protection. Projects range from simple site investigations and erosion... |
Geological Consulting
PWA offers a wide range of geologic and geotechnical services as applied to commercial and residential development, as well as Timber Harvest Plans and landslide mitigation. Our staff of licensed professionals brings a level of experience required... |
Watershed Assessments & Restoration
Pacific Watershed Associates has been on the forefront of watershed and ecosystem assessment and restoration since the 1980’s. Our expertise and experience extends from the upper reaches of watersheds, through hillslopes and stream channels, to... |
Services for Commercial and Private Property Owners
PWA offers a wide range of services for commercial and residential development. Our staff of licensed professionals brings a level of experience required for successful completion of our client’s projects. PWA’s experience includes: Percolation... |
Geographic Information Systems (GIS)
Pacific Watershed Associates (PWA) maintains full Geographic Information Systems (GIS) services to support the development of geologic and geomorphic investigations, erosion control and erosion prevention plans, and watershed and ecosystem restoration projects... |
Road & Trail Transportation Planning
Pacific Watershed Associates (PWA) was the first private company in Northern California to specifically focus on road and trail system planning with an emphasis on protecting water quality. Our reports, publications and design criteria for managing... |
Erosion & Sediment Control
Using the latest best management practices (BMP’s) and continually researching and designing new innovative BMP’s, Pacific Watershed Associates (PWA) is known as the “go to” team for erosion and sediment control in Northern California. PWA is... |
Surface Water Hydrology and Water Quality Monitoring
Pacific Watershed Associates has extensive experience using existing surface water hydrologic data to define historic trends and existing stream channel conditions; and to develop sensible, sound mitigation measures with the goal of improving water quality... |
Workshops & Technical Training
Pacific Watershed Associates has extensive experience in conducting training and workshops relating to watershed restoration and erosion control. Workshops are customized to the client’s specific needs and interests and can be presented either... |
Projects
Select from representative projects listed below to view details: ... |
Evaluation of Road Decommissioning, CDFG Fisheries Restoration Grant Program 1998 to 2003
Title: Evaluation of Road Decommissioning, CDFG Fisheries Restoration Grant Program 1998 to 2003 Client: California Department of Fish and Game Date: 2005 Location: Northern California Summary: Pacific Watershed Associates conducted an evaluation... |
S.F. Elk River Road Assessment Project
Title: S.F. Elk River Road Assessment Project Client: Bureau of Land Management (BLM); Date: 2002-2004; Location: Humboldt County, California; Summary: Pacific Watershed Associates conducted a sediment source road inventory... |
Hollow Tree Project
Title: Hollow Tree Watershed sediment reduction and fish passage project Client: Mendocino Redwood Company and Trout Unlimited Date: 1999-2007 Location: Mendocino County, California Summary: Pacific Watershed Associates... |
Humboldt Bay Dunes Project
Photo Not Available Title: Physical Processes, Geomorphology and Management Options for the Coastal Sand Dunes of Humboldt Bay, Humboldt County, California Client: Humboldt County Planning Department Eureka, California Date: 1991... |
Cypress Hill Project
Title: Cypress Mountain Road sediment reduction project Client: County of San Luis Obispo Date: 2007 Location: San Luis Obispo County, California Summary: Pacific Watershed Associates was retained to design a sediment... |
Cummings Landfill Project
Title: Cummings Road landfill erosion control project Client: Humboldt Waste Management Authority Date: 2005-2007 Location: Eureka, California Summary: Pacific Watershed Associates was retained to conduct a
failure... |
Biscuit Fire Project
Title: Erosion Assessment and Erosion Prevention Planning Project for Forest Roads in the Biscuit Fire Area, Southern Oregon
Client: Pacific Rivers Council
Date: 2005
Location: Southern Oregon
Summary:... |
Partners & Clients
Select Pacific Watershed Project Clients: State and Federal Agencies National Park ServiceCalifornia Attorney General's OfficeCalifornia Army National GuardCalifornia Department of Fish and GameCalifornia Department of ForestryCalifornia Department... |
News
Read Press Releases and news about upcoming Pacific Watershed Associates projects and our many accomplishments in regional news and industry publications.
... |
PWA presents at the 2008 California Onsite Wastewater Association conference
Geologists Kathy Moley and Tara Zuroweste participated in the 2008 California Onsite Wastewater Association’s annual conference in Sacramento, California in May. Kathy Moley spoke to a crowd of more than 50 people regarding the importance of operating... |
PWA's Environmental Division opens in Petaluma!
PWA’s Environmental Division opens in Petaluma! The Environmental Division of PWA has expanded, now providing services out of their Petaluma (North Bay) Office. PWA now has two convenient locations, McKinelyville and Petaluma, in which to serve... |
PWA's Environmental Division leads groundbreaking activities at the Redwood Adventure Center
Kathy Moley, leader of the Environmental Division at Pacific Watershed Associates, is interviewed during groundbreaking at the Redwood Adventure Center, the new lodge complex for Redwood State and National Parks located near Orick, California. Click... |
PWA’s Environmental Division featured in California Onsite Wastewater Association (COWA) newsletter
PWA geologist Kathy Moley’s article, Permitting New Construction at an Existing Facility: Richardson Grove Campground and RV Park, Garberville, California, is featured in the California Onsite Wastewater Association (COWA) newsletter for Summer 2007.... |
PWA oversees successful erosion reduction project in Upper Mark West watershed
Early summer low flows and warm weather make the torrential rainfall of December 2005 seem like a distant memory. But for those who rang in the 2006 New Year by watching their roads and driveways wash out, the challenges of winter may not be so easily forgotten... |
PWA helps Sotoyome RCD provide top-notch service to landowners
For the last three years the Sotoyome RCD has been working with landowners in the Pena Creek Watershed to assess potential sediment sources throughout the watershed to improve fisheries habitat. This spring the Chamise Road Association recognized the... |
PWA instrumental in 5-county management strategy plan approved by the National Marine Fisheries Serv
Under the Endagered Species Act section 4(d), the National Marine Fisheries Service has approved the road manual being used by Humboldt, Trinity, Mendocino, Del Norte, and Siskiyou Counties which contains measures to improve or at least reduce impacts... |
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Contact Us
McKinleyville Office: Physical Address: 1652 Holly Dr. McKinleyville, CA 95519 Map & Driving Directions Mailing Address: P.O. Box 4433 Arcata, CA 95518-4433 Phone: (707) 839-5130 Fax: (707) 839-8168Environmental Division: Phone:... |
