A fact from Los Campitos Reservoir appeared on Wikipedia's Main Page in the Did you know column on 13 June 2021 (check views). The text of the entry was as follows:
Did you know... that the Los Campitos Reservoir(pictured) in Tenerife has never held water?
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The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
... that the Los Campitos Reservoir in Tenerife has never held water? Source: [1] (Spanish), [2] (PDF is in English, see Fig. 6)
ALT1:... that after constructing a 54-metre-high (177 ft) dam, it was discovered that the basin of the Los Campitos Reservoir was not waterproof? Source: [3] (Spanish), [4] (PDF is in English, see Fig. 6)