| Original title | Vandforsyning | 
|---|---|
| Danish title | Vandforsyning | 
| International titles | Water supply | 
| Efnisorð | Vand, Vandforsyning, Vandforbrug, Drikkevand, Geologi, Vandværker, 1940-1949 | 
| Leikstjórn | Tage Larsen | 
| Screenplay | Tage Larsen | 
| Director of Photography | C.H. Helm | 
| Editor | Tage Larsen | 
| Land | Danmark | 
| Domestic distribution | Statens Filmcentral | 
| Technical info | 148 meter, 16 mm, Sort-hvid, Stum | 
      Companies | 
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| Production company | Urania Film | 
| Producent | Dansk Kulturfilm | 
| Commissioned by | Dansk Kulturfilm | 
| Domestic distribution | Statens Filmcentral | 
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      Instruktion | 
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| Instruktion | Tage Larsen | 
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      Manus | 
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| Manus | Tage Larsen | 
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      Foto | 
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| Foto | C.H. Helm | 
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      Klip | 
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| Klip | Tage Larsen | 
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