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Guide for Water Quality Impact Assessment of Highway Operations and Maintenance

Description: Procedures particularly applicable to Washington State have been developed to assist the highway designer in evaluating and minimizing the impacts of highway runoff on receiving waters. The guide provides computation procedures to estimate pollutant concentrations and annual loadings for three levels of analysis which depend on the watershed, the discharge system and traffic. It further provides means to judge the potential impacts of the runoff on receiving waters.

  • Date Published: September, 1982
  • Publication Number: WA-RD 39.14
  • Last Modified: August 4, 2007
  • Authors: Richard R. Horner, Brian W. Mar.
  • Originator: University of Washington. Environmental Engineering and Science Program.
  • # of Pages: 85 p., 2,749 KB (PDF)
  • Subject: Bioassay, Concentration (Chemistry), Contaminants, Drainage, Environmental impact analysis, Environmental risk assessment, Highway maintenance, Highway operations, Highways, Pollutants, Procedures, Runoff, Water pollution, Water quality.
  • Keywords: Highways, runoff, water pollutants, Washington State, environmental assessment, impact analysis.
  • Related Publications: Water Quality Impacts Associated with Leachates from Highway Woodwastes Embankments, (WA-RD 39.1).
    Effects of Velocity and Nutrient Alterations on Stream Primary Producers and Associated Organisms, (WA-RD 39.2).
    Highway Runoff Monitoring: The Initial Year, (WA-RD 39.3).
    Composite Sampling of Highway Runoff: Year 2, (WA-RD 39.4).
    Criteria and Requirements for Statewide Highway Runoff Monitoring Sites, (WA-RD 39.5).
    Characterization of Highway Runoff in Washington State, (WA-RD 39.6).
    Year 3 - Runoff Water Quality, August 1979 - August 1980, (WA-RD 39.7).
    Views of Risk and Highway Transportation of Hazardous Materials - A Case Study in Gasoline, (WA-RD 39.8).
    A Survey of Trace Organics in Highway Runoff in Seattle, Washington, (WA-RD 39.9).
    Transport Deposition and Control of Heavy Metals in Highway Runoff, (WA-RD 39.10).
    Effects of Seattle Area Highway Stormwater Runoff on Aquatic Biota, (WA-RD 39.11).
    Highway Runoff in Washington State: Model Validation and Statistical Analysis, (WA-RD 39.12).
    Assessment of Pollutant Loadings and Concentrations in Highway Stormwater, (WA-RD 39.12.1).
    Year 4, Runoff Water Quality, August 1980-August 1981, (WA-RD 39.13).
    Impacts of Channel Reconstruction in the Pilchuck River, (WA-RD 39.15).
    Summary -- Highway Runoff Water Quality Study, 1977-1982, (WA-RD 39.16).


This abstract was last modified April 29, 2008