1. This project has been funded with support from the European Commission. This publication [communication] reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

2. Polluting water

3. We have enough water on the earth. The most part of the earth (70%) consists of: oceans, sea, rivers and ponds etc. What`s the problem then?

4. Water on the earth:

6. The classification of clean rivers in Poland: Class I (blue): water of very good quality Class II (green): water of good quality Class III (yellow): water of satisfactory quality Class IV (oragne): water of not satisfactory quality Class V: (red): water f very bad quality

7. The same is in our lakes:

9. Divisions of pollution:

10. Eutrophication: Is the progress of enrichment of reservoir waters with nutritional ubstances (nitrogend and phosphor). That progress goes on very fast. It couses bloom.

11. Valuation progress eutrophication in Poland:

12. Toxic „bloom” in the Baltic Sea:

14. We have hope that we convince you to save water, that we have so fev.