Andalusia has the longest drinking water supply network across Spain. In 2020, the extension of Andalusia's drinking water network surpassed * kilometers. This was followed by the Region of Valencia, where the drinking water supply network measured nearly * kilometers. That year, the total length of Spain's drinking water supply network reached approximately ** kilometers.
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INE (Spain). (July 6, 2022). Length of the drinking water supply network in Spain in 2020, by autonomous community (in kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/1393910/drinking-water-supply-network-extension-autonomous-communities-spain/
INE (Spain). "Length of the drinking water supply network in Spain in 2020, by autonomous community (in kilometers)." Chart. July 6, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/1393910/drinking-water-supply-network-extension-autonomous-communities-spain/
INE (Spain). (2022). Length of the drinking water supply network in Spain in 2020, by autonomous community (in kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/1393910/drinking-water-supply-network-extension-autonomous-communities-spain/
INE (Spain). "Length of The Drinking Water Supply Network in Spain in 2020, by Autonomous Community (in Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 6 Jul 2022, /statistics/1393910/drinking-water-supply-network-extension-autonomous-communities-spain/
INE (Spain), Length of the drinking water supply network in Spain in 2020, by autonomous community (in kilometers) ÌÇÐÄÆƽâ°æ, /statistics/1393910/drinking-water-supply-network-extension-autonomous-communities-spain/ (last visited July 21, 2026)
Length of the drinking water supply network in Spain in 2020, by autonomous community (in kilometers) [Graph], INE (Spain), July 6, 2022. [Online]. Available: /statistics/1393910/drinking-water-supply-network-extension-autonomous-communities-spain/
