GROUNDWATER QUALITY MONITORING NETWORK DESIGN OF THE GROUNDWATER

GROUNDWATER QUALITY MONITORING NETWORK DESIGN OF THE GROUNDWATER QUALITY MONITORING NETWORK IN COMPLIANCE WITH EUROPEAN DIRECTIVES TAGUS RIVER BASIN AUTHORITY (Spanish side) European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK OBJECTIVES q REVISION AND ADAPTATION OF THE GROUNDWATER MONITORING NETWORK OF THE TAGUS SPANISH BASIN TO EUROPEAN DIRECTIVES AND EUROWATERNET’S REQUIREMENTS. q SUPPLEMENT AND VALIDATE THE ANALYSIS OF PRESSURES AND IMPACTS (IMPRESS) IN GROUNDWATER. q PROVIDE GENERAL INFORMATION ON GROUNDWATER STATUS. q PROVIDE INFORMATION ABOUT TRENDS AND EVOLUTION OF WATER QUALITY IN GROUNDWATER BODIES AT RISK q CONTROL OF PROTECTED AREAS European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK METHODOLOGY FOR NETWORK DESIGN q COMPILATION OF GEOLOGICAL, HYDROGEOLOGICAL, ANALYTICAL AND PRESSURES INFORMATION. NUMBER OF NECESSARY MONITORING POINTS FOR AN ADEQUATE MONITORING OF GROUNDWATER BODIES (CEDEX CRITERIA). q SELECTION OF REPRESENTATIVE AREAS FOR THE LOCATION OF MONITORING POINTS. q LOCATION OF INVENTORIED MONITORING POINTS (POINTS FROM PREEXISTING NETWORKS) q q INITIAL SELECTION OF MONITORING POINTS. q. FIELD INSPECTION OF PRE-SELECTED POINTS AND AREAS. q DEFINITION OF DEFINITIVE GROUNDWATER MONITORING NETWORK. DESIGN OF SAMPLING CAMPAIGNS AND SELECTION OF INDICATIVE PARAMETERS. q European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK COMPILATION OF INFORMATION European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK Ø Groundwater Bodies Identification and Characterisation: Report “Estudio inicial para la identificación y caracterización de las masas de agua subterránea de las Cuencas Intercomunitarias”, DGOHCA, 2003). q 24 Groundwater bodies. q. AREA: Between 68 Km 2 (030. 005 Jadraque) and 4. 497 Km 2 (030. 015 Talavera). q LITHOLOGY: Alluvial: 4. 351 Km 2 Calcareous: 7. 378 Km 2 Detritic: 10. 010 Km 2 European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK Ø Analysis of Pressures and Impacts (IMPRESS DHT) European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK Ø Other sources of information: q River Basin Management Plan (CH Tajo) q. Report “Normas para el otorgamiento de autorizaciones de investigación o concesiones de agua subterránea para cada Unidad Hidrogeológica de la cuenca del Tajo”. CHT. q Inventories of monitoring points from pre-existing groundwater monitoring networks (IGME, ROC Tajo, Comisaría de aguas CHT, …). q Databases related to groundwater quality and groundwater levels (IGME, Comisaría de aguas CHT, CYII, …). q Reports related to groundwater quality and groundwater levels (“Asistencia técnica para los trabajos de medida de los niveles piezométricos y toma de muestras de agua en puntos de la Red Oficial de Control de Aguas Subterráneas en la Cuenca del Tajo. MIMAM, Estudio de nitratos en la Cuenca del Tajo. CHT)”. . q Other reports and complementary information (Preliminary identification of point and diffuse sources of priority substances, vulnerable zones, …). European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK Ø Definition of the number of monitoring points in groundwater monitoring network Methodology proposed in “Proyecto de Redes de Vigilancia: Criterios Generales” (CEDEX, 2003) the objective of which is to study the Groundwater Monitoring Network in compliance with requirements of Eurowaternet and EU Directives. Ø Definition of Sub-networks Methodology proposed in “Criterios Técnicos para la Definición y Explotación de las Redes de Control Integradas de la Calidad de las Aguas Subterráneas en Cumplimiento de la DMA” (MIMAM, 2004). European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK DEFINITION OF THE GROUNDWATER QUALITY MONITORING NETWORK European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK DETERMINATION OF THE NUMBER OF MONITORING POINTS “Proyecto de Redes de Vigilancia: Criterios Generales” (CEDEX, 2003). (Km 2/Pto) European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK DETERMINATION OF THE NUMBER OF MONITORING POINTS “Proyecto de Redes de Vigilancia: Criterios Generales” (CEDEX, 2003). Total number of monitoring points for the whole river basin district: 94 (minimum) – 106 (maximum). In Cáceres (Extremadura): between 8 (minimum) and 10 (maximum) Theoretical density of monitoring network: Ø 1 point/301 km 2 of GWB, with values between 109 km 2/point and 403 km 2/point (Between 338 km 2/point and 403 km 2/point in the GWB of Cáceres (Extremadura)) The maximum number of estimated points is 1 for 50% of the GWB (60% in the GWB of Cáceres (Extremadura)). European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK SELECTION OF REPRESENTATIVE AREAS DEFINITION OF REPRESENTATIVE AREAS, DEPENDING ON: q • Characteristics of GWB (type of geological units, lithology, groundwater level …) • Hydrogeological features (recharge and discharge areas, connections with other GWB, direction of groundwater flow, …) • Potential and real pressures in the areas • Water abstractions. • Associated terrestrial ecosystems European Commission (Infringement Procedure nº 2002/2009) q LOCATION OF MONITORING POINTS: DEFINITION OF ORDER OF PREFERENCE Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK SELECTION OF REPRESENTATIVE AREAS (GWB 030. 022 – TIÉTAR) GEOLOGY European Commission (Infringement Procedure nº 2002/2009) HYDROGEOLOGY PRESSURES Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK SELECTION OF MONITORING POINTS IGME Inventory ROC Tajo Inventory wells of CYII Location of inventoried monitoring points DHT Studies Network density (CEDEX) Definition of representative areas Initial selection of monitoring points Field inspection of preselected points Definitive selection of monitoring points European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK SELECTION OF MONITORING POINTS Groundwater body: 030. 022 TIÉTAR PRESELECTED POINTS (5) Real Density: 1 point/311 Km 2 European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK SELECTION OF MONITORING POINTS Groundwater body: 030. 019 MORALEJA PRESELECTED POINTS (1) Real Density: 1 point/131 Km 2 European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK SELECTION OF MONITORING POINTS Groundwater body: 030. 020 ZARZA DE GRANADILLA PRESELECTED POINTS (2) Real Density: 1 point/39 Km 2 European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK SELECTION OF MONITORING POINTS Groundwater body: 030. 021 GALISTEO PRESELECTED POINTS (2) Real Density: 1 point/330 Km 2 European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK SELECTION OF MONITORING POINTS Groundwater body: 030. 023 TALAVÁN PRESELECTED POINTS (1) Real Density: 1 point/188 Km 2 European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK DEFINITION OF GROUNDWATER MONITORING NETWORK GROUNDWATER BODY THEORETICAL MONITORING POINTS SELECTED POINTS CÓD NAME MINIMUM MAXIMUM 030. 00 1 Cabecera del Bornova 1 1 1 030. 00 2 Sigüenza-Maranchón 1 1 1 030. 00 3 Tajuña-Montes Universales 7 8 7 030. 00 4 Torrelaguna 1 1 3 030. 00 5 Jadraque 1 1 1 030. 00 6 Guadalajara 16 17 23 030. 00 7 Aluviales Jarama-Tajuña 1 1 1 030. 00 8 La Alcarría 15 16 18 030. 00 9 Molina de Aragón 1 2 1 030. 01 0 Madrid: Manzanares-Jarama 2 3 8 030. 01 1 Madrid: Guadarrama-Manzanares 2 3 8 030. 01 2 Madrid: Aldea del Fresno. Guadarrama 1 2 4 030. 01 3 Aluvial del Tajo: Zorita de los Canes. Aranjuez 1 1 1 030. 01 4 Entrepeñas 1 1 1 27 28 27 European Commission 030. 01 (Infringement Procedure nº 2002/2009) Talavera Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK DEFINITION OF GROUNDWATER QUALITY MONITORING NETWORK Number of monitoring points: 126 European Commission (Infringement Procedure nº 2002/2009) Real density of monitoring network ≈172 Km 2/point Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK ESTABLISHMENT OF GROUNDWATER QUALITY MONITORING NETWORK Province of Cáceres (Extremadura) Number of monitoring points: 10 European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008

GROUNDWATER QUALITY MONITORING NETWORK GROUNDWATER MONITORING NETWORK: DISTRIBUTION BY PROVINCES 7% of total monitoring points are located in Cáceres (Extremadura). The emerging surface in Cáceres (Extremadura) represents about 9% of the total river basin area. European Commission (Infringement Procedure nº 2002/2009) Madrid - November 25 th, 2008