Land-use based stormwater pollutant load estimation and monitoring system design

Juhani Järveläinen*, Nora Sillanpää, Harri Koivusalo

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

18 Citations (Scopus)


Accurate quantification of the amount, quality and sources of urban stormwater runoff are a prerequisite for effective stormwater management. The goal of this study was to estimate city-scale stormwater pollutant export, examine the effect of data sources on export estimates, and develop an optimization method for stormwater monitoring. The results were presented for the city of Lahti in southern Finland, where site mean pollutant concentrations (SMCs), annual pollutant loads, and monitoring guidelines for specific land use types were determined for total suspended solids (TSS), nutrients (total nitrogen TN and total phosphorus TP), chemical oxygen demand (COD), and metals (Pb, Zn, Cu, Cr, and Ni). Depending on the data source, differences between estimated pollutant exports ranged from -89% to 215%. Lack of reference data for every urban land use type and differences in land use classification schemes were identified as key factors limiting the accuracy of pollutant load estimation.

Original languageEnglish
Pages (from-to)223-236
JournalUrban Water Journal
Issue number3
Publication statusPublished - 2017
MoE publication typeA1 Journal article-refereed


  • land use
  • pollutant export
  • uncertainty
  • Urban runoff


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