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Updated StormTac database v. 2018-05-09

  • 9 May, 20188 September, 2021

1. Complemented reference data of stormwater from different land uses. Especially complemented with by StormTac compiled flow proportional data as mean values from many US sites from the data base NSQD (2015), with much data from a large number of substances.
2. Added land uses (since earlier included in StormTac Web) with stormwater standard concentrations:
– Multi-family area with street trees in a skeletal soil (macadam-soil mixture) without Local disposal of stormwater in the block.
– Multifamily area with street trees in a skeletal soil (macadam-soil mixture) with Local disposal of stormwater in the block.
– Multifamily area with biofilter without local disposal in block
– Multifamily area with biofilter with local disposal in block
– Office area with street trees and skeletal soil (macadam-soil mixture) and blocks without local disposal
– Block without road with local disposal of stormwater.
3. Updated BaP-values in stormwater from the land uses:
– Residential area with total local disposal of storm water
– Terraced area with total local disposal of storm water
Relase notes v18.2.1
Implementation in StormTac Web of new guidelines for stormwater treatment in existing areas or areas of exploitation

Recent Posts

  • News in the Recipient-model 13 November, 2025
  • Calculation of reduced available volumes for flow detention in ditches and swales, taking into account the longitudinal slope 23 June, 2025
  • Dimensioning and calculation of flood volumes and increased flows at a longer (secondary) return time 2 June, 2025
  • Updated method for calculating acceptable pollutant load to the recipient 22 April, 2025
  • May 6, Requirements for Stormwater effluent concentration criteria with regard to EQS – webinar 3 April, 2025
  • Export with consideration of upstream flow detention – new automation with improved functions 15 January, 2025

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