THE TAGUS BASIN; GROUNDWATER AND

TRANSBOUNDARY AQUIFERS

MARÍA CASADO SÁENZSPRINGS OF THE CUERVO RIVER (TAGUS BASIN)

GEOLOGY OF THE IBERIAN PENINSULA. AFTER IGME

(2004)

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DISTRIBUTION OF MOST IMPORTANT

AQUIFERN FORMATIONS IN

SPAIN

TRANSBOUNDARY AQUIFERS

DISTRIBUTION OF MOST IMPORTANT

AQUIFERN FORMATIONS IN

SPAIN

SPANISH TAGUS RIVER BASIN

THE TAGUS RIVER BASIN

THE TAGUS RIVER BASIN IN SPAIN

SOURCE OF THE TAGUS RIVER IN LA MUELA DE SAN JUAN, MONTES UNIVERSALES

THE TAGUS RIVER BASINTHE TAGUS RIVER BASIN IN SPAIN

BOLARQUE RESERVOIR IN THE TAGUS

Jurassic andCretaceous foldedlimestones

THE TAGUS RIVER BASINTHE TAGUS RIVER BASIN IN SPAIN

THE TAGUS AND THE VILLAGE OF TRILLO; NUCLEAR POWER PLANT OF TRILLO

Trillo Pression Water Reactor 1100 MW

THE TAGUS RIVER BASINTHE TAGUS RIVER BASIN IN SPAIN

TAJUÑA RIVER, IRRIGATED AREA.

TAJUÑA RIVER

204.220 ha: Irrigated Surface in theSpanish Tagus basin

Surface Water Demand : 1.551 Mm3/year

Ground Water Demand: 135 Mm3/year

PÁRAMO LIMESTONES FORMATION

SILT AND CLAYS

THE TAGUS RIVER BASINTHE TAGUS RIVER BASIN IN SPAIN

TAGUS IN TOLEDO

Mean Flow: Around 40 m3/s (1975-2006 Period)

THE TAGUS RIVER BASINTHE TAGUS RIVER BASIN IN SPAIN

Dam and RomanBridge of Alcántara,

MEAN INFLOW IN ALCANTARA: 190 m3/s

TAGUS IN ALCÁNTARA

FLOOD IN IN ALCÁNTARA

180.0004.700Mm3Groundwater Storage in Aquifers

20.8811.565Mm3Groundwater Runoff

56.06312.000Mm3Storage Capacity

0,2250,219Mm3/km2Specific runoff(1949-2000)

113.81211.235Mm3Surface Runoff

684655mm Mean rainfall for 1949-2000 period

39.238.0006.994.774HabitantantsHabitant in 2004 (*)

506.47055.870km2Surface

SpainSpanish TagusUNITS

Some basic data for the Spanish Tagus Basin.

From:

“La cuenca del Tajo en Cifras” (2002) and

(*) Water Basin Organism (2006 and 2009)

TAJUÑA-MONTES UNIVERSALES UNIT

MADRID

GROUNDWATER BODIES IN THE TAGUS BASIN

MORALEJA

Hoz Seca

WATER DISTRICTS IN SPAIN

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MADRID TALAVERA

LIMESTONES

MARLS

VIEW OVER THE AQUIFER TAJUÑA-MONTES UNIVERSALES

Hoz Seca RiverCanyon

El Tornero, Karstic Spring

SPRING OF “LAS AGUAS PEÑAS”, (CHECA, GUADALAJARA)

KEUPER FORMATION

TRAVERTINE

JURASIC LIMESTONE

EL TOBAR WETLAND IN THE GUADIELA RIVER, TAGUS AFFLU ENT

Jurasic Limestones

Gypsum and Marls

VIEW FROM GAUGING STATION E-3005 IN TRILLO, TAGUS RIVER, UPSTREAM

NUCLEAR POWER PLANT

MEAN FLOW:

22 m3/s (1935-1980)

13 m3/s (1980-2005)

0,00

20,00

40,00

60,00

80,00

100,00

120,00

140,00160,00

180,00

200,00

220,00

240,00

260,00

280,00

300,00

320,00

10/5

5

06/5

7

02/5

9

10/6

0

06/6

2

02/6

4

10/6

5

06/6

7

02/6

9

10/7

0

06/7

2

02/7

4

10/7

5

06/7

7

02/7

9

10/8

0

Str

eam

Dis

char

ge in

Mm

3 /mon

thTAGUS RIVER DISCHARGE IN TRILLO GAUGING E-3005 (195 5-1980)

Q90: Monthly discharge that wassurpassed the 90% of the studied

months

River Flow on monthly basis

0.00

20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

200.00

220.00

240.00

260.00

280.00

300.00

320.00

10/8

0

06/8

2

02/8

4

10/8

5

06/8

7

02/8

9

10/9

0

06/9

2

02/9

4

10/9

5

06/9

7

02/9

9

10/0

0

06/0

2

02/0

4

10/0

5

Str

eam

dis

char

ge in

Mm

3 /mon

th

Q90: Monthly discharge that wassurpassed the 90% of the studied

months

River Flow on monthly basis

TAGUS RIVER DISCHARGE IN TRILLO GAUGING E-3005 (198 0-2005)

TAJUÑA-MONTES UNIVERSALES GW BODY

MADRID

GROUNDWATER BODIES IN THE TAGUS BASIN

MORALEJA GW BODY

WATER DISTRICTS IN SPAIN

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MADRID TALAVERA AQUIFER: 4 GW BODIES

LEGEND

Piezometer Code: 03.13.002 CillerosPiezometer Depth: 92 m

Surface Datum: 290 mosl (meters over sea level)

286,0

286,4

286,8

287,2

287,6

288,0

288,4

288,8

289,2

289,6

290,009

/06

01/0

7

05/0

7

09/0

7

01/0

8

05/0

8

09/0

8

01/0

9

05/0

9

09/0

9

01/1

0

05/1

0

09/1

0

Pie

zom

etric

Lev

el (

mos

l)

0,00

0,40

0,80

1,20

1,60

2,00

2,40

2,80

3,20

3,60

4,00

Wat

er D

epth

(m

)

MORALEJA TRANSBOUNDARY UNIT:

PIEZOMETRIC CONTOURS AND PIEZOMETRIC EVOLUTION

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GW WATERSHED

HYDROGEOLOGICAL CROSS SECTION OF THE MORALEJA AQUIFER IN THE SPANISH ZONE: CONCEPTUAL MODEL

0

10

20

30

40

50

60

01/0

404

/04

08/0

411

/04

02/0

505

/05

09/0

512

/05

03/0

607

/06

10/0

601

/07

04/0

708

/07

11/0

702

/08

06/0

809

/08

12/0

803

/09

07/0

910

/09

01/1

005

/10

08/1

0

mg/

l N

o3-

0

100

200

300

400

500

600

700

800

900

CO

ND

UC

TIV

ITY

(mic

roS

/cm

)

NO3 Maximum permitedN. Guía Conductivity (Ms/cm)

EVOLUTION IN NITRATE CONCENTRATION IN MORALEJA GROUNDWATER BODY

GENERAL VIEW OF THE TIPICAL TERTIARY SEDIMENTS OF THE TAGUS BASIN

BASIN BORDER

TERTIARYSEDIMENTS

Piezometer Code: 03.05.90 CazalegasPiezometer Depth: 305 m

Surface Datum: 441

0

5

10

15

20

25

ene-

09 jun- 09

nov-

09 abr-

10 sep- 10

Wat

er le

vel o

ver

the

grou

nd (

m)

441

446

451

456

461

466

Pie

zom

étric

Lev

el

(m)

Piezometer Code: 03.05.67 Villaviciosa de Odón Piezometer Depth: 60 m

Surface Datum (mosl): 618 m

588

598

608

618

1985 1988 1995 2003 2005 2007 2010

Pie

zom

eter

Lev

el

(mos

l)

0

10

20

30

Gro

undw

ater

Dep

th

(m)

GROUNDWATER BODIES IN THE AQUIFER OF MADRID-TALAVERA:

PIEZOMETRIC NETWORK

TAGUS RIVER

ALBERCHE RIVERG

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Piezometer Area of Groundwater protectionaround Madrid

DRILLING A NEW PIEZOMETER IN SEVILLA LA NUEVA (MADRID)

1. LACK OF KNOWLEDGE: ENHANCE IT PROMOTING NEW STUDIES

2. NITRATE PROBLEMS: REGULATIONS IN ORDER TO APPLY THE BEST AGRICULTURAL CODE PRACTICES AND SAFETY PERIMETERS

3. NETWORKS: IMPLEMENTING THEM

4. QUANTITATIVE PROBLEMS: STRONGER REGULATIONS AND USERS COMUNITIES

GROUNDWATER RELATED PROBLEMS IN THE TAGUS BASIN AND

AND

SOME OF THE UNDERTAKEN

MEASUREMENTS