Property talk:P4441

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hydraulic head
hydraulic head of a dam or hydroelectric power station

Description	hydraulic head of a dam or hydroelectric power station
Represents	hydraulic head (Q369743)
Data type	Quantity
Template parameter	|plant_hydraulic_head= in en:Template:Infobox dam
Domain	According to this template: hydroelectric power station (Q15911738), dam (Q12323) According to statements in the property: hydroelectric power station (Q15911738) or dam (Q12323) When possible, data should only be stored as statements
Allowed units	metre (Q11573), foot (Q3710) (note: this should be moved to the property statements)
Example	Grand Coulee Dam (Q930391) → 380ft (note: this information should be moved to a property statement; use property Wikidata property example (P1855), Wikidata property example for properties (P2271), Wikidata property example for lexemes (P5192), Wikidata property example for forms (P5193) or Wikidata property example for senses (P5977))
Robot and gadget jobs	probably
Tracking: usage	Category:Pages using Wikidata property P4441 (Q63078565)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P4441 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 2,320 Main statement 2,308 99.5% of uses Qualifier 12 0.5% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “hydroelectric power station (Q15911738), dam (Q12323)”: item must contain property “instance of (P31)” with classes “hydroelectric power station (Q15911738), dam (Q12323)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4441#Type Q15911738, Q12323, SPARQL

This property is being used by: pt:Predefinição:Info/Barragem, pt:Predefinição:Info/Barragem/Testes be-x-old:Шаблён:Электрастанцыя be-tarask:Шаблён:Электрастанцыя oc:Modèl:Infobox Edifici Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)