Water Quality in Slovenia - Agencija RS za okolje

Contents
PREFACE ............................................................................................................... 5
1. INTRODUCTION .................................................................................................... 9
2. SURFACE WATERS ................................................................................................ 13
2.1 Quality of Rivers ............................................................................................ 13
2.1.1 Evaluation of Chemical Status of Rivers .................................................. 13
2.1.2 River Quality Assessment Using Saprobic Index and Beginnings
of Ecological Status Evaluation .............................................................. 22
2.2 Quality of Lakes ............................................................................................ 26
2.3 Quality of Marine Water ............................................................................... 34
2.3.1 Evaluation of Chemical Status of Marine Water ...................................... 36
2.3.2 Evaluation of Trophic Status of Marine Water ......................................... 36
2.4 Water Quality in Protected Areas .................................................................. 37
2.4.1 Quality of Surface Water Intended for Human Consumption .................. 37
2.4.2 Quality of Bathing Water ....................................................................... 40
2.4.3 Quality of Freshwater needing Protection or Improvement in order
to support Fish Life ................................................................................ 44
2.4.4. Quality of Shellfish Water ..................................................................... 49
3. GROUNDWATER .................................................................................................. 53
3.1 Aquifers and Groundwater Bodies ............................................................... 53
3.2 Groundwater Quality ................................................................................... 62
3.3 Trend Evaluation .......................................................................................... 65
4. GUIDELINES FOR FUTURE WORK - WATER QUALITY EVALUATION
IN ACCORDANCE WITH THE WATER FRAMEWORK DIRECTIVE ............................. 65
5. REFERENCES ....................................................................................................... 67
6. GLOSSARY OF TERMS .......................................................................................... 70
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