Cases: LW87 Trinkingwater
| Chile | Concepcion | Iron | 25 |
| Chile | Coronel | Iron | 6 |
| Germany | Diakonie | 2,5 | |
| Germany | Salzgitter | Iron | 3 |
| Germany | ThyssenKrupp | Iron | 3,5 |
| Germany | Wolfsburg | Iron | 6 |
| Italy | Campolongo di Cadore | Iron, sand | 4,9 |
| Italy | Feldthurns | Iron | 31 |
| Italy | Livigno | Iron | 25 |
| Italy | Oschiri | Iron | 26 |
| Italy | Pavia | Iron | 3 |
| Italy | Tolmezzo | Iron | 83 |
| Croatia | Jamnica, Zagreb | Sediments | 2 |
| Croatia | Zagreb | Iron | 15 |
| Austria | Absam | Iron | 18 |
| Austria | Absam | Iron | 65 |
| Austria | Agrana Stärke GmbH, Gmünd | Microbial contamination | 0,5 |
| Austria | Axams | Iron | 29 |
| Austria | Bramberg | Iron | 26 |
| Austria | Dürnkrut | Iron, manganese | 25 |
| Austria | Dürnkrut | Manganese | 28 |
| Austria | Egger Holzindustrie, St. Johann | Limescale | 0,5 |
| Austria | Gleisdorf | Iron | 5 |
| Austria | Graz | Iron | 20 |
| Austria | Hartberg | Iron | 10 |
| Austria | Hof am Leithaberge | Iron, manganese | 33 |
| Austria | Kemeten | Iron, manganese | |
| Austria | Klagenfurt | Iron, manganese | 65 |
| Austria | Klagenfurt | Iron, manganese | 15 |
| Austria | Klagenfurt | Iron | 25 |
| Austria | Klosterneuburg | Sand, manganese | 8 |
| Austria | Langenlois | Iron, manganese | 45 |
| Austria | Marktgemeinde Neumarkt | Microbial contamination | 1 |
| Austria | Mayerhofen | Iron | 45 |
| Austria | Neumarkt | Iron, limescale | 3 |
| Austria | Ossiach | Iron | 15 |
| Austria | Poysdorf | Manganese | 8 |
| Austria | Retz | Iron, manganese | 55 |
| Austria | Schönkirchen-Reyersdorf | Iron, manganese | 34 |
| Austria | Sistrans | Iron | 21 |
| Austria | Stinatz | Iron | 25 |
| Austria | St. Michael im Burgenland | Sediments | 30 |
| Austria | Treibach Althofen | Iron | 3 |
| Austria | Wattens | Iron | 5 |
| Austria | Weiden an der March | Manganese | 35 |
| Austria | Weitra | Iron, sediments | 0,7 |
| Austria | Wolkersdorf | Manganese | 98 |
| Austria | WV-Grenzland Südost | Iron, manganese | 0,3 |
| Austria | WV-Lafnitztal | Iron, manganese | 15 |
| Austria | WV-Süd Burgenland (12 communities) | Iron, manganese | 150 |
| Sweden | Falköping | Iron, manganese | 72 |
| Sweden | Tiarp | Manganese | 38 |
| Sweden | Tiarp | Manganese | 65 |
| Slovenia | Maribor | Iron | 10 |