Non-Domanial Water Generating Servants A4. A public utility is a geographical entity whose nature or function induces, under #x27; effect of #x27; a regulation, constraints on the modalities of #x27; land occupancy of the surrounding land.
The disappearance or destruction on the ground of the generator n' has no consequence of suppressing the servitude(s) associated with it. Only a new act of annulment or #x27; repeal taken by the competent authority may legally remove the effects of the easement(s) in question.
__Origin__
The perimeter of a prescribed PPR is usually provided in the prefect’s prescription order. The perimeter d' exposure to risks — or regulated perimeter — corresponds to the \#x27; geometric aggregation of l' all the restricted zones listed in the same PPR. The perimeter of the study corresponds to the envelope in which the hazards were studied.
__Partner organisations__
DDT 47 (Departmental Directorate of Lot and Garonne Territories), DDT Lot-et-Garonne
__Links annexes__
* [XML metadata view](http://ogc.geo-ide.developpement-durable.gouv.fr/csw/all-dataset?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&RESULTTYPE=results&elementSetName=full&TYPENAMES=gmd:MD_Metadata&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&ID=fr-120066022-jdd-e793b894-6b9c-475b-ae6f-60750ed543b9)
* [COVADIS data standard: Scope of PPRN](http://geostandards.developpement-durable.gouv.fr/afficherPageStandard.do?jeu=N_PERIMETRE_PPRN_AAAANNNN_S)
[See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/a23d581c617e1e92564ce83deda85b5f64f3c06f)
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