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

V.C. Andrés-Valeri, D. Castro-Fresno, Luis Sañudo-Fontaneda, J. Rodriguez-Hernandez

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)
96 Downloads (Pure)


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.
Original languageEnglish
Pages (from-to)1341-1347
Number of pages7
JournalWater Science and Technology
Issue number8
Publication statusPublished - 2 Sep 2014

Bibliographical note

"©IWA Publishing 2014. The definitive peer-reviewed and edited version of this article is published in Water Science and Technology 70, 8, 1341-1347, 2014. DOI 10.2166/wst.2014.382 and is available at"


  • Best management practice (BMP)
  • Concrete ditch
  • Filter drain
  • SUDS
  • Swale
  • Water quality

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