Monitoring of selected pharmaceuticals over 3 years in a detrital aquifer during artificial groundwater recharge

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Title: Monitoring of selected pharmaceuticals over 3 years in a detrital aquifer during artificial groundwater recharge
Authors: Candela, Lucila | Tamoh, Karim | Vadillo, Iñaki | Valdes-Abellan, Javier
Research Group/s: Ingeniería Hidráulica y Ambiental (IngHA)
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil
Keywords: Pharmaceuticals monitoring | Groundwater | Treated wastewater | Hydraulic barrier | Detrital aquifer
Knowledge Area: Ingeniería Hidráulica
Issue Date: Feb-2016
Publisher: Springer Berlin Heidelberg
Citation: Environmental Earth Sciences. 2016, 75:244. doi:10.1007/s12665-015-4956-8
Abstract: A screening survey of 81 pharmaceuticals was carried out at a wastewater facility and in a detrital aquifer (Barcelona, Spain), where treated wastewater (TWW) was injected through wells to build up a hydraulic barrier against seawater intrusion. The monitored data correspond to the 2007–2010 period. The TWW was tertiary treated with additional treatment consisting of ultrafiltration, reverse osmosis and UV disinfection. During the monitoring period groundwater monitoring was carried out in wells located within a 1-km radius distance from the injection wells. During monitoring period 20 new pharmaceuticals were detected in the aquifer media and 11 compounds were found with concentration above 0.1 μg l−1 (selected threshold) in both TWW and wells. After 1 year of TWW injection change of redox conditions, a decrease of Cl− concentration and presence of 11 pharmaceuticals (4-AAA, 4-FAA, carbamazepine, ciprofloxacin, diazepam, diclofenac, hydrochlorothiazide, mepivacaine, sulfamethoxazole, sulfamethazine and sulfapyridine) was observed in the monitoring wells. After the studied period the sodium-chloride aquifer water type evolved to a bicarbonate-sulphate facies. Decrease of the pharmaceuticals concentration in groundwater appears to be driven by the dilution process and hydraulic characteristics of the aquifer media, with the attenuation or degradation process much less important.
Sponsor: This work has been carried out within the framework of Projects CONSOLIDER-TRAGUA and CGL2013-48802-C03-3-R, financed by the Spanish Ministry of Science and Innovation.
ISSN: 1866-6280 (Print) | 1866-6299 (Online)
DOI: 10.1007/s12665-015-4956-8
Language: eng
Type: info:eu-repo/semantics/article
Rights: © Springer-Verlag Berlin Heidelberg 2015. The final publication is available at Springer via
Peer Review: si
Publisher version:
Appears in Collections:INV - IngHA - Artículos de Revistas

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