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STORMWATER QUALITY ASSOCIATED WITH A FULL SILT TRAP DISCHARGING INTO AN URBAN WATERCOURSE
Author(s) -
Scholz M.,
Zettel S.
Publication year - 2004
Publication title -
water and environment journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 37
eISSN - 1747-6593
pISSN - 1747-6585
DOI - 10.1111/j.1747-6593.2004.tb00538.x
Subject(s) - stormwater , silt , environmental science , trap (plumbing) , hydrology (agriculture) , storm , combined sewer , pollutant , sewage , first flush , water quality , outflow , environmental engineering , surface runoff , chemistry , meteorology , geography , geology , ecology , geotechnical engineering , paleontology , organic chemistry , biology
The aim of this project was to assess the influence of a full silt trap on the quality of stormwater which was discharged into an urban watercourse. The average SS concentrations of the outflow were 2.0 and 34.1 mg/l during dry‐weather and wet‐weather conditions, respectively, and SS concentrations of up to 141.6 mg/l were recorded during storms. Treated stormwater SS concentrations were often high, compared with secondary sewage‐treatment standards of ≤30 mg/l. Pollutants accumulated in the silt trap.