Slovak transboundary groundwater bodies

Štátny geologický ústav Dionýza Štúra

INTERREG IIIAMonitoring and assessment of HungarianMonitoring and assessment of Hungarian --

Slovak transboundary groundwater bodiesSlovak transboundary groundwater bodiesENWATENWAT

Environmental state and sustainable Environmental state and sustainable mmanagementanagementof Hungarianof Hungarian --Slovakian Slovakian

transboundary groundwater bodiestransboundary groundwater bodies

Bartha, A., Bartha, A., BodiBodi šš, D., Bottlik, F., , D., Bottlik, F., BrezsnyBrezsny áánszky, K., nszky, K., ČČernern áákk, R., , R., GaGaáál, G., Havas, G.,l, G., Havas, G., KordKord íík, J., k, J., MaglayMaglay , J.,, J.,

MalMalííkk, P., Marcin, D., Michalko, J., , P., Marcin, D., Michalko, J., NNáádor, A., dor, A., RapantRapant , S., , S., SlaninkaSlaninka , I., , I., SzSzııcscs , T., , T., TTóóth, G,.Tullner, T., Turczi, G., Vikor, Zsth, G,.Tullner, T., Turczi, G., Vikor, Zs ..

www.enwat.euwww.enwat.eu


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PARTICIPANTSHungary:MÁFI (Geological Institute of Hungary)Slovakia:ŠGÚDŠ (State Geological Institute of Dionýz Štúr)

Main subcontractors:• SMARAGD GSH

Modelling• GST (Geological survey of Finland)

Support for water mangement• SHMU (Slovak Hydrometeorological Institute)

data


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Funding of the project

ENWAT project was funded due to INTERREG III A

Program’s sources of funding

National Organs of Hungary-Slovakia-Ukraine Neighbourhood Program HU-SK-UA


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STUDIED AREASActivity of project were realised during 2006 - 2008 in three

Slovak-Hungarian transboundary groundwater bodies:1) Groundwater bodies in Quaternary of the Ipel/Ipoly river

basin (Slovakia and Hungary), and the connecting mixed Oligocene, Miocene mountainous groundwater bodies in Hungary.

2) Groundwater bodies in Mesozoic carbonate formations in Slovensky kras mts. in Slovakia and in Aggtelek-hegység in Hungary.

3) Groundwater bodies in Quaternary alluvial sediments of Bodrog river basin in Slovakia and in Rétköz and Bodrogköz in Hungary.


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Justification of the project:

• good drinking water quality as a base human right• EU Water Framework Directive (2000/60/ES from 23

October 2000)• creation of uniform procedures for assessment of

qualitative and quantitative parameters in transboundary groundwater bodies (Ipeľ region, Bodrog catchment and the Slovak karst - Aggtelek region)

• common research and exchange of information and data• identification of different transboundary influences


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Target groups:

• population of cross-border regions (the most significant and largest target group)

• regional authorities (local governments) and decision makers

• organizations of nature protection, investors• water works companies• scientists


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General objective:• to contribute towards improvement of qualitative and

quantitative parameters in transboundary groundwater bodies

until 2015

Main objective:• compilation of uniform geological, hydrogeological and

environmental information system


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Quantifiable aims (1):

• development of common methods regarding standardization and co-ordination of practical procedures defining quantitative and qualitative parameters in GW bodies in accordance with WFD

• creation of uniform data structure and uniform geographical referencing (coordinate system) aimed at data exchange and common assessment

• setting up and harmonization of threshold values of selected indicators showing chemical status of groundwater

• realisation of joined hydrogeological and hydrogeochemical mapping in the area with lack of relevant data


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Quantifiable aims (2):

• hydrogeological and qualitative characteristics of transboundary groundwater bodies

• characteristics of exploitable amount of groundwaters and assessment of their rational use

• characteristics of potential sources of groundwater contamination and evaluation of groundwater vulnerability

• organisation of an international conference and dissemination of the project outcomes among wide-scale public


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web:www.geo-portal.huServed as place of exchangeinformation during projectbetween working groups

www.enwat.euto inform the public with results of the projectto present results of geological, hydrogeological and hydrogeochemical worksto present


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Geological basement in transboundary regions :

• preparation of unify legend for geological maps of transboundary regions•compilation of geological maps at a scale 1:100 000


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GIS database of hydrogeological information:•application in MS Access allows simple manipulation and visualisation of data; contains forms to browse and edit the data•map interconnection is based on the MapInfo technology•special procedures are programmed for calculation of hydraulic parameters of rocks


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GIS database ofhydrogeochemicalinformation:

•application in MS Access allows simple manipulation and visualisation of data;

•contains forms to browse and edit the data map interconnection is based on the MapInfo technology


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Hydrogeochemical map:

•the main objective is text assessment and map expression of chemical content and qualitative properties of groundwaters in the regions, including evaluation of anthropogenic influence•basic information in the map express qualitative and geochemical criteria of groundwater of first aquifer•additional thematic maps are created for description of other important properties of groundwaters(degree of anthropogenic influence, content of dissolved solids)


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Determination and harmonisationof background and threshold concentrations:•specific objective of the project adds an information on chemical status of groundwater in accordance with Water Framework Directive•procedure of determination of significant concentrations regards complex approach usually combining geochemical analyses, statistical assessment, legislative approach, respectively•calculation is realized for TDS, ammonium ions, sulphates, nitrates, chlorides and selected trace elements (Cr, Cu, Zn, As, Cd, Se, Pb, Hg, Ba, Al, Sb)


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Field work - sampling of groundwaters and their chemical analyses:

• routine parameters Na+, K+, Ca2+, Mg2+, NH4+, Fetotal, Mn, HCO3

-, CO32-

NO3-, NO2

-, Cl-, SO42-, PO4

3-, SiO2, TOC, CODMn - 140 sites• trace elements Ag, Al, As, B, Ba, Be, Cd, Co, Cr, Cu, Hg, Li+, Mo, Ni, Pb, Sb, Se, Sn, Sr, Tl, V, Zn - 140 sites

• organic compounds TPH C10-C40, PAU, AOX, PCB, BTX - 35 sites • pesticides - 35 sites• isotopes - tritium (85 localities), 14C (25 localities), 18O-D (65 sites)• 10% of control analyses realised for every group of chemical parameters


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Monoelement maps – all transboundary GWBExamples for NO3

-, As, pesticides and contaminationindex

For different regions:•Ipel/Ipoly•Slovenský kras mts./ Aggtelek•Bodrog/Bodrogkoz


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Ipel/Ipoly NO3-


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Ipel/Ipoly pesticides


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Slovak karst/Aggtelek contamination index


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Bodrog/Bodrogkoz As


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Hydrogeological modelling:•description and delineation ofhydrostratigrafic units•preparation of conception model - determination of infiltrationarea and processes in unsaturated zone; undergroundwater table (in intergranular, fissure and karstenvironment); under erosionbasis of weathered, unweathered and karstformations•modelling phases - spatialdefinition of hydrostratigraficunit


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Results of the hydrogeological modelling

For regions:Ipel/IpolySlovenský kras mts./ AggtelekBodrog/Bodrogkoz


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Ipel/Ipoly The modelled potential distribution


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Modell view of Aggtelek-Slovak karst in the FeFlow s oftware


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Bodrog/BodrogkozHydraulic potential

of the 1st. model layer; steady state


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SUPPORT FOR WATER MANAGEMENT (1)The new decision support system for water management

was developed and tested It is based on:• groundwater quality data• detailed hydrogeological models• GIS• water requirements and forecasts• economic data


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SUPPORT FOR WATER MANAGEMENT (2)The recommended concrete measures• Protection of quantitative assessment, limitation and

remediation of the pesticide pollution• Improve protection against nitrate and other nutrient

pollution• Improve protection against status in Aggtelek-Slovak

karst areas• Development of limit and prevent programs against

industrial and urban point sources• To give special regard to small settlements, particulalry

to Roma population in both states


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SUPPORT FOR WATER MANAGEMENT (3)The recommended concrete measures• development of water services by regional operators• Support modernisation and updating of municipal water works,

wastewater treatment and solid waste management• Training of local experts• To support Private-Public-Partnership arrangements in

compliance with national legislation and policies. • Supporting installation of small and cost efficient wastewater

and sewage treatment systems• Development programs supporting the needed social

integration


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Dissemination of results• Conferences & Seminars• Scientific publications• Directly in the field• Printed materials are distributed to regions• CD – available at MAFI, SGUDS on request

• Web pagewww.enwat.eu


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Slovak transboundary groundwater bodies

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