Treatment of contaminated roadway runoff using vegetated filter strips.

Ebihara, Tatsuji; Young, C Bryan; Tiwari, Vibhuti; Agee, Lisa M; Kansas. Dept. of Transportation; University of Kansas. Dept. of Civil, Environmental and Architectural Engineering

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Treatment of contaminated roadway runoff using vegetated filter strips.

2009-01-01
By Ebihara, Tatsuji ; Young, C Bryan ; Tiwari, Vibhuti ; ...

[PDF-1.67 MB]

English

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Details:

Creators:

Ebihara, Tatsuji ; Young, C Bryan ; Tiwari, Vibhuti ; Agee, Lisa M

Ebihara, Tatsuji ; Young, C Bryan ; Tiwari, Vibhuti ; Agee, Lisa M Less -
Corporate Creators:

Kansas. Dept. of Transportation ; University of Kansas. Dept. of Civil, Environmental and Architectural Engineering

Kansas. Dept. of Transportation ; University of Kansas. Dept. of Civil, Environmental and Architectural Engineering Less -
Subject/TRT Terms:

[+]

Best Practices Contaminant Retention Contaminants Copper Cost Effectiveness Embankments Field Studies Metals Particulates Pollutants Pollution Control Polycyclic Aromatic Hydrocarbons Runoff Vegetated Filter Strips Vegetation Watersheds Zinc
Publication/ Report Number:

K-TRAN: KU-03-5
Resource Type:

Tech Report
Geographical Coverage:

Kansas
TRIS Online Accession Number:

01124906
OCLC Number:

299571627
Edition:

Final report
Corporate Publisher:

Kansas. Dept. of Transportation
NTL Classification:

NTL-ENERGY AND ENVIRONMENT-Environment Impacts;NTL-HIGHWAY/ROAD TRANSPORTATION-Soils and Geology;
Abstract:

The overall goal of this field study was to evaluate the potential effectiveness of vegetated highway embankments as a stormwater runoff best management practice (BMP) for retention of metals, polycyclic aromatic hydrocarbons (PAHs), and particulates. The study characterized roadway sediment particulate matter, annual pollutant mass loading, and long-term pollutant retention for three field sites in eastern Kansas. The field study indicated that pollutant retention was primarily a surficial phenomenon, limited to the top 0 to 2 in. of highway embankment soils. Effectiveness of vegetated embankments for net particle retention was found to be greater than 70% for particles of 0.020 mm or greater. The 18 ft long vegetated highway embankments evaluated in this study were effective stormwater runoff BMPs for zinc with 42 to 100% long-term pollutant mass retention. Moderate performance was observed for pyrene and chrysene with 20 to 100% mass retention. Vegetative embankments were less effective for copper and benzo(a)pyrene with 9 to 42% mass retention. The key benefits of utilizing highway embankments for runoff control include cost-effectiveness relative to other engineered systems and compatibility with roadway design and maintenance requirements. While specific pollutant mass retention was observed to be variable and dependent on metal or PAH properties in runoff, the overall result is a significant reduction in pollutant mass to the local watershed, particularly when embankments are greater than 30 to 45 ft in length.
Format:

PDF
Funding:

C1363
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:30a672bf0a4f71271afa3e3beb265c4a125a126bce5f84c58f80482934172aee
Download URL:

https://rosap.ntl.bts.gov/view/dot/16644/dot_16644_DS1.pdf
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Treatment of contaminated roadway runoff using vegetated filter strips.

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