Klátovské rameno

Geological structure beneath the water

Which rock lies beneath the water line (Geological Map of Slovakia 1:50,000), how old it is, how thick the Quaternary cover is and in which tectonic unit the water flows. The bedrock decides the hardness of the water, the bottom, the turbidity after rain and the abundance of springs.

The points follow the water line (for a stream and a basin, fishing district after fishing district). The strip is a cross-section by distance, not a map; the width of a section corresponds to the number of points.

• River alluvium100%SR 72 %

marker on the bar: share among all sample points on streams in Slovakia

River alluvium: Gravelly and sandy bottom and floodplains; the water is replenished from groundwater in the alluvium.

Geological age of the rocks

• Quaternary100%

Most common rock units

Quaternary cover

• fluvial sediments of floodplains100%SR 68 %

marker on the bar: share among all sample points on streams in Slovakia

• Typical thickness of the Quaternary cover130m

• 150 – 20033%SR 0.6 %
• 100 – 15033%SR 0.7 %
• 80 – 10033%SR 0.1 %

marker on the bar: share among all sample points on streams in Slovakia

Neotectonic units

• negative unit (lowland plains and basins, neotectonic depressions)100%SR 13 %

marker on the bar: share among all sample points on streams in Slovakia

Direction of neotectonic movements

• large subsidence100%SR 2.8 %

marker on the bar: share among all sample points on streams in Slovakia

Regional geological division

• intramontane basins100%SR 44 %

marker on the bar: share among all sample points on streams in Slovakia

Regional geological division (subunits)

• Danube Basin100%SR 23 %

marker on the bar: share among all sample points on streams in Slovakia

Engineering-geological districts

• region of peatlands60%SR 1.0 %
• region of alluvial-plain deposits40%SR 15 %

marker on the bar: share among all sample points on streams in Slovakia

Engineering-geological formations

• formation of Quaternary sediments100%SR 71 %

marker on the bar: share among all sample points on streams in Slovakia

Susceptibility of the area to slope deformations

• Region of stable areas100%SR 95 %

marker on the bar: share among all sample points on streams in Slovakia

The map covers 3 of 10 points on the water line.

Hydrogeology: aquifers and groundwater

Streams and rivers are fed by groundwater. Hydrogeological maps show in which rocks the water is stored, how permeable they are and what the water in them is like. The data come from ŠGÚDŠ maps, not from measurements at a particular water.

Aquifer rocks (hydrogeological map 1:200,000)

• Gravel100%SR 52 %

marker on the bar: share among all sample points on streams in Slovakia

Aquifer type

• Zvodnence s prevažne medzizrnovým typom priepustnosti (prevažne nespevnené sedimenty) (Gravel; Fluviálne)100%SR 27 %

marker on the bar: share among all sample points on streams in Slovakia

Type of permeability (basic hydrogeological map 1:50,000)

• intergranular100%SR 86 %

marker on the bar: share among all sample points on streams in Slovakia

Hydrogeological function

• aquifer100%SR 95 %

marker on the bar: share among all sample points on streams in Slovakia

Main hydrogeological region

• Quaternary of the southwestern part of the Danube Plain100%SR 5.3 %

marker on the bar: share among all sample points on streams in Slovakia

Genetic type of groundwater

• fluviogenic100%SR 14 %

marker on the bar: share among all sample points on streams in Slovakia

Chemical type of groundwater

• Ca-SO4-HCO380%SR 3.8 %
• Ca-Mg-HCO320%SR 26 %

marker on the bar: share among all sample points on streams in Slovakia

Groundwater quality class

• D90%SR 15 %
• H10%SR 8.8 %

marker on the bar: share among all sample points on streams in Slovakia

Geothermal groundwater bodies

• Central depression of the Danube Basin100%SR 21 %

marker on the bar: share among all sample points on streams in Slovakia

Surface water chemistry according to the atlas

Modelled composition of the water in the area the fishing district line runs through. The rasters of the Geochemical Atlas of Slovakia (surface waters) are an interpolation of measurements in sampled streams, so they show the typical background of the area, not a measurement in a particular stream.

Ionic composition of the water

Water type by dominant ions: Ca–Mg–HCO₃–SO₄

Shares are in equivalents, the usual way of comparing the composition of waters.

Major ions

• SulphatesSO485.4 mg/lpercentile 84
• ChloridesCl33.3 mg/lpercentile 82
• CalciumCa88.5 mg/lpercentile 78
• MagnesiumMg24.3 mg/lpercentile 76
• SodiumNa15.1 mg/lpercentile 71
• BicarbonatesHCO3247 mg/lpercentile 62
• FluoridesF0.129 mg/lpercentile 57
• PotassiumK2.92 mg/lpercentile 49

dot: average along the water line, line: from the lowest to the highest value, scale: position among sample points on streams in Slovakia (0 to 100th percentile)

Nutrients and organic pollution

• NitratesNO312.8 mg/lpercentile 81
• PhosphatesPO40.251 mg/lpercentile 64
• AmmoniumNH40.0984 mg/lpercentile 46
• Chemical oxygen demandChSK2.18 mg/lpercentile 24

Metals

• ZincZn12.8 μg/lpercentile 73
• IronFe0.163 mg/lpercentile 69
• ManganeseMn42.8 μg/lpercentile 58
• AluminiumAl46.7 μg/lpercentile 41

Elements in river sediments

The Geochemical Atlas of Slovakia (river sediments) describes what the river carries in the fine material on its bed. Sediment collects metals from rocks, ore occurrences and past mining and industry. It is not a legal limit or a health risk assessment: it shows how an element on this stream ranks among streams in Slovakia.

Potentially toxic and trace elements

• SeleniumSe0.949 mg/kgpercentile 95
• ZincZn182 mg/kgpercentile 87
• CadmiumCd0.403 mg/kgpercentile 80
• MercuryHg0.245 mg/kgpercentile 79
• LeadPb22.7 mg/kgpercentile 77
• BismuthBi0.300 mg/kgpercentile 73
• CopperCu30.2 mg/kgpercentile 71
• ArsenicAs8.69 mg/kgpercentile 70
• TinSn2.66 mg/kgpercentile 50
• CobaltCo8.35 mg/kgpercentile 48
• NickelNi23.6 mg/kgpercentile 45
• MolybdenumMo0.320 mg/kgpercentile 38
• AntimonySb0.508 mg/kgpercentile 36
• VanadiumV58.2 mg/kgpercentile 25
• ChromiumCr52.0 mg/kgpercentile 19

dot: average along the water line, line: from the lowest to the highest value, scale: position among sample points on streams in Slovakia (0 to 100th percentile)

Natural radioactivity and radon

Airborne gamma-ray spectrometry by ŠGÚDŠ measures radiation from potassium, uranium and thorium in rocks and soil. Granites and some acidic volcanic rocks have the highest values, limestones and floodplains the lowest. Caesium-137 is a remnant of fallout from the Chernobyl accident and nuclear weapons tests.

• Equivalent uranium (eU)eU2.71 ppm66th percentile
• Potassium (K)K1.27 %percentile 35
• Equivalent thorium (eTh)eTh6.55 ppm21th percentile

dot: average along the water line, line: from the lowest to the highest value, scale: position among sample points on streams in Slovakia (0 to 100th percentile)

• Areal activity of 137CsCS1372,603 Bq/m²percentile 82

Radon risk by isopleths

• medium100%SR 64 %

marker on the bar: share among all sample points on streams in Slovakia

Geophysical fields: magnetics and gravity

Maps of the magnetic field and gravity (ŠGÚDŠ) reveal what lies beneath the sediments and the surface: volcanic bodies, faults and crustal thickness. For an angler they are interesting indirectly: they show where the bedrock changes, and with it the water.

Geothermal potential

The Atlas of Geothermal Energy of Slovakia records rock temperature and heat flow from the Earth's interior. It is the potential of the area, not the actual warmth of the water in the stream. Specific geothermal boreholes and springs near this water are in the geothermal energy section below.

Geothermal groundwater bodies beneath the water line

• Central depression of the Danube Basin100%SR 21 %

marker on the bar: share among all sample points on streams in Slovakia

Relief, climate and soils

A basin is not just water: slope and elevation determine the speed of runoff, climate the temperature and amount of water, and soils what is washed into the stream. The data come from the geomorphological division, climatic-geographical types and soil maps of ŠGÚDŠ.

• Elevation of geomorphological units (from–to)103–191m a.s.l.
• Average elevation of the units119m a.s.l.
• Average slope0.4°
• Average January temperature-2.5°C
• Average July temperature20.0°C
• Annual precipitation590mm

Geomorphological units

• Danubian Plain100%SR 8.4 %

marker on the bar: share among all sample points on streams in Slovakia

Geomorphological regions

• Danubian Lowland100%SR 18 %

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Climatic-geographical types

• lowland climate100%SR 38 %

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Susceptibility of soils to acidification

• soils not susceptible to acidification100%SR 27 %

marker on the bar: share among all sample points on streams in Slovakia

Soil contamination (map 1:500,000)

• relatively clean soil100%SR 53 %

marker on the bar: share among all sample points on streams in Slovakia

Lithogeochemical types

• Neogene100%SR 48 %

marker on the bar: share among all sample points on streams in Slovakia

Map of the corridor

Where the nearest mine workings, deposits, burdens, geothermal boreholes and gold finds are. Groups can be switched off.

Trace elements in surface waters

Arsenic, antimony, cadmium, lead, copper, zinc and other elements in samples from rivers and streams (Geochemical Atlas of Slovakia, surface waters, 2015). The bar shows where the highest value lies among all samples in Slovakia; the light marker is the median of the samples at this water.

• LithiumLihigh (top 5 %)
  highest 68.0 μg/lmedian 29.5 μg/l10 samples10 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: bez mena, Starý Klátovský kanál a Klátovský kanál – sútok2011, 920 m from the water. Comparison: percentile 97 of all samples in Slovakia.

• ArsenicAselevated (top 10 %)
  highest 5.00 μg/lmedian 1.00 μg/l11 samples45 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: KLÁTOVSKÉ RAMENO1995, 30 m from the water. Comparison: percentile 92 of all samples in Slovakia.

• AntimonySbslightly elevated
  highest 0.570 μg/lmedian 0.570 μg/l1 sample
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: Malý Dunaj1997, 930 m from the water. Comparison: percentile 76 of all samples in Slovakia.

• StrontiumSrtypical value
  highest 300 μg/lmedian 300 μg/l1 sample
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: Malý Dunaj1997, 930 m from the water. Comparison: percentile 72 of all samples in Slovakia.

• CopperCutypical value
  highest 2.00 μg/lmedian 1.00 μg/l10 samples80 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: bez mena, Starý Klátovský kanál a Klátovský kanál – sútok2011, 920 m from the water. Comparison: percentile 66 of all samples in Slovakia.

• BariumBatypical value
  highest 47.0 μg/lmedian 37.0 μg/l9 samples
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: Klátovský kanál2011, 510 m from the water. Comparison: percentile 57 of all samples in Slovakia.

• SeleniumSebelow half of Slovakia
  highest 0.500 μg/lmedian 0.500 μg/l10 samples100 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: Klátovské rameno2011, 60 m from the water. Comparison: percentile 46 of all samples in Slovakia.

• LeadPbbelow half of Slovakia
  highest 2.50 μg/lmedian 2.50 μg/l10 samples100 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: Klátovské rameno2011, 60 m from the water. Comparison: percentile 43 of all samples in Slovakia.

• ChromiumCrbelow half of Slovakia
  highest 1.00 μg/lmedian 1.00 μg/l10 samples100 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: Klátovské rameno2011, 60 m from the water. Comparison: percentile 32 of all samples in Slovakia.

• CadmiumCdbelow half of Slovakia
  highest 0.150 μg/lmedian 0.150 μg/l10 samples100 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: Klátovské rameno, 60 m from the water. Comparison: percentile 26 of all samples in Slovakia.

Major ions, mineralisation and pH

Basic water chemistry: which rocks the minerals in it come from.

• Silicon dioxideSiO2below half of Slovakia
  highest 10.4 mg/lmedian 8.30 mg/l10 samples
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: Klátovské rameno2011, 150 m from the water. Comparison: percentile 49 of all samples in Slovakia.

Groundwater: chemistry, water types and radioactivity

Hydrogeochemical objects (analyses of springs and boreholes), the geochemical atlas of groundwater (1996) and radiohydrochemical sampling. Groundwater feeds streams, so its composition also affects the water in the stream.

Chemical water types nearby

• Ca-Mg-HCO355×
• Ca-Mg-HCO3-SO428×
• Ca-Mg-SO4-HCO312×
• Mg-HCO32×
• Ca-SO4-HCO31×
• Ca-Mg-SO4-NO3-HCO31×
• Mg-Na-SO4-Cl1×
• Ca-HCO3-SO41×

Water quality class according to the hydrogeochemical map

• class D33×
• class H26×
• class B20×
• class C11×
• class A7×
• class F4×
• class G1×

Metals in groundwater

• LithiumLiextreme (top 1 %)
  highest 700 μg/lmedian 4.50 μg/l52 samples
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: studňa1994, 2.5 km from the water. Comparison: percentile 100 of all samples in Slovakia.

• CadmiumCdextreme (top 1 %)
  highest 654 μg/lmedian 0.250 μg/l52 samples98 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: vrt1993, 1.3 km from the water. Comparison: percentile 99 of all samples in Slovakia.

• ChromiumCrextreme (top 1 %)
  highest 25.0 μg/lmedian 0.600 μg/l52 samples42 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: studňa1993, 2.2 km from the water. Comparison: percentile 99 of all samples in Slovakia.

• CopperCuextreme (top 1 %)
  highest 19.1 μg/lmedian 1.10 μg/l52 samples
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: studňa1994, 660 m from the water. Comparison: percentile 99 of all samples in Slovakia.

• ArsenicAsextreme (top 1 %)
  highest 42.0 μg/lmedian 0.500 μg/l52 samples83 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: studňa1993, 2.8 km from the water. Comparison: percentile 99 of all samples in Slovakia.

• ZincZnextreme (top 1 %)
  highest 5,490 μg/lmedian 107 μg/l52 samples
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: studňa1994, 690 m from the water. Comparison: percentile 99 of all samples in Slovakia.

• LeadPbhigh (top 5 %)
  highest 6.00 μg/lmedian 1.00 μg/l52 samples48 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: vrt1993, 180 m from the water. Comparison: percentile 97 of all samples in Slovakia.

• SeleniumSehigh (top 5 %)
  highest 3.50 μg/lmedian 0.500 μg/l52 samples90 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: studňa1994, 2.5 km from the water. Comparison: percentile 96 of all samples in Slovakia.

• AntimonySbhigh (top 5 %)
  highest 1.00 μg/lmedian 0.100 μg/l52 samples63 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: studňa1994, 2.5 km from the water. Comparison: percentile 95 of all samples in Slovakia.

• MercuryHghigh (top 5 %)
  highest 0.200 μg/lmedian 0.100 μg/l52 samples98 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: studňa1993, 1.5 km from the water. Comparison: percentile 95 of all samples in Slovakia.

• AluminiumAlelevated (top 10 %)
  highest 0.0400 mg/lmedian 0.0100 mg/l52 samples37 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: studňa1994, 2.7 km from the water. Comparison: percentile 90 of all samples in Slovakia.

• IronFetypical value
  highest 0.00500 mg/lmedian 0.00500 mg/l16 samples100 % below the limit of quantification
  1. up to 50 %
  2. 50–75
  3. 75–90
  4. 90–99
  5. above 99

  Highest value: vrt1994, 3.0 km from the water. Comparison: percentile 50 of all samples in Slovakia.

Radon in waters

Mine workings, deposits and ore occurrences

Old mine workings outside mining areas (Geofond register), deposits and mining areas, and the metallogenetic map. Gold, silver and other metals near streams can get into sediments and water.

Deposits and mining areas

Boreholes and Geofond archive reports

Register of hydrogeological boreholes, other boreholes and geothermal boreholes. Each borehole has a report in the Geofond archive (geological profiles, pumping tests, chemical analyses of the water); the report number is in the table.

275 boreholes in the 3 km zone, of which 77 hydrogeological and 198 other; with an archive report number 275.

Borehole depths

• up to 10 m176×
• 10–30 m50×
• 30–100 m36×
• 100–300 m2×
• over 300 m4×

Nearest boreholes

Geothermal energy and mineral waters

Geothermal boreholes (wellhead water temperature, yield, chemical type) and sources of geothermal and mineral waters within 10 km. Data on the use and existence of a borehole come from the Geofond register.

Sources of geothermal and mineral waters

Environmental burdens, landfills and anthropogenic sediments

Recorded environmental burdens (industrial sites, landfills, mining), the register of waste landfills and monitoring of anthropogenic sediments (industrial sludge). It is a list of places, not a measurement of water pollution.

Waste landfills