Presence of pharmaceuticals in benthic fauna living in a small stream affected by effluent from a municipal sewage treatment plant

We examined bioaccumulation of seventy pharmaceuticals in two benthic organisms, Hydropsyche sp. and Erpobdella octoculata in a small stream affected by the effluent from a sewage treatment plant in Prachatice

Katerina Grabicova; Roman Grabic; Martin Blaha; Vimal Kumar; Daniel Cerveny; Ganna Fedorova; Tomas Randak

2014

Scholarcy highlights

  • Azithromycin, clarithromycin, verapamil and citalopram were found in Hydropsyche
  • We examined bioaccumulation of seventy pharmaceuticals in two benthic organisms, Hydropsyche sp. and Erpobdella octoculata in a small stream affected by the effluent from a sewage treatment plant in Prachatice
  • Water samples from similar locations were analyzed for all seventy pharmaceuticals
  • In water samples from a control locality situated upstream of the STP, ten of the seventy pharmaceuticals were found with average total concentrations of 200 ng L−1
  • In water samples collected at STP-affected sites, twenty-nine, twenty-seven and twenty-nine pharmaceuticals were determined at average total concentrations of 2000, 2100 and 1700 ng L−1, respectively
  • The uptake of pharmaceuticals via the food web could be an important exposure pathway for the wild fish population

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