Comparative analysis of the outflow water quality of two sustainable linear drainage systems

Three different drainage systems were built in a roadside car park located on the outskirts of Oviedo (Spain): two sustainable urban drainage systems (SUDS), a swale and a filter drain; and one conventional drainage system, a concrete ditch, which is representative of the most frequently used roadsi...

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Bibliographic Details
Published in:Water science and technology 2014-01, Vol.70 (8), p.1341-1347
Main Authors: ANDRES-VALERI, V. C, CASTRO-FRESNO, D, SANUDO-FONTANEDA, L. A, RODRIGUEZ-HERNANDEZ, J
Format: Article
Language:English
Subjects:
Analysis methods
Applied sciences
Automobiles
Capacity
Dissolved oxygen
Drainage ditches
Drainage systems
Drainage, Sanitary
Electric Conductivity
Electrical conductivity
Electrical resistivity
Environmental Monitoring
Exact sciences and technology
Freshwater
Hydrocarbons
Hydrocarbons - analysis
Hydrogen-Ion Concentration
Natural water pollution
Nephelometry and Turbidimetry
Outflow
Outflow waters
Oxygen - analysis
Petroleum
Petroleum hydrocarbons
Pollutants
Pollution
Spain
Stormwater
Suspended particulate matter
Sustainability
Total suspended solids
Turbidity
Urban drainage
Water Pollutants - analysis
Water Quality
Water treatment and pollution
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Summary:Three different drainage systems were built in a roadside car park located on the outskirts of Oviedo (Spain): two sustainable urban drainage systems (SUDS), a swale and a filter drain; and one conventional drainage system, a concrete ditch, which is representative of the most frequently used roadside drainage system in Spain. The concentrations of pollutants were analyzed in the outflow of all three systems in order to compare their capacity to improve water quality. Physicochemical water quality parameters such as dissolved oxygen, total suspended solids, pH, electrical conductivity, turbidity and total petroleum hydrocarbons were monitored and analyzed for 25 months. Results are presented in detail showing significantly smaller amounts of outflow pollutants in SUDS than in conventional drainage systems, especially in the filter drain which provided the best performance.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2014.382