SIST EN 1508:2025
(Main)Water supply - Requirements for systems and components for the storage of water
Water supply - Requirements for systems and components for the storage of water
This document specifies and gives guidance on:
— general requirements for storage of water outside consumers' buildings, including service reservoirs for potable water and reservoirs containing water not for human consumption at intake works or within treatment works, excluding those that are part of the treatment process;
— design;
— general requirements for product standards;
— requirements for quality control and auditing, testing and commissioning;
— operational requirements;
— requirements for inspection, rehabilitation and repair.
The requirements of this document are applicable to:
— design and construction of new reservoirs;
— extension and modification of existing reservoirs;
— significant rehabilitation of existing reservoirs.
This document does not apply to reservoirs formed by the building of dams or the use of lakes for water storage purposes.
Wasserversorgung - Anforderungen an Systeme und Bestandteile der Wasserspeicherung
Dieses Dokument legt folgende Themen fest und gibt eine Anleitung für:
allgemeine Anforderungen an die Speicherung von Wasser außerhalb von Verbrauchsstätten, einschließlich der Trinkwasserbehälter und Speicher an Entnahmestellen oder innerhalb von Aufbereitungsanlagen, die Wasser enthalten, das nicht für den menschlichen Verbrauch bestimmt ist, aber mit Ausnahme von Behältern im Aufbereitungsprozess;
Planung;
allgemeine Anforderungen für Produktnormen;
Anforderungen für Qualitätskontrolle und auditierung, Prüfungen und Inbetriebnahmen;
Betriebsanforderungen;
Anforderungen an Inspektionen, Erneuerungen und Reparaturen.
Die Anforderungen dieses Dokuments sind anwendbar auf:
Planung und die Bauausführung neuer Wasserbehälter;
Erweiterung und Veränderung vorhandener Wasserbehälter;
bedeutende Erneuerungsmaßnahmen an bestehenden Wasserbehältern.
Dieses Dokument gilt nicht für Talsperren oder die Nutzung von Seen zum Zwecke der Wasserspeicherung.
Alimentation en eau - Prescriptions pour les systèmes et les composants pour le stockage de l'eau
Le présent document spécifie, et donne des indications, sur :
— les exigences générales applicables au stockage de l’eau à l’extérieur des bâtiments des consommateurs ; elle couvre les réservoirs branchés sur le réseau pour le stockage de l’eau potable et les réservoirs contenant de l’eau non destinée à la consommation humaine reliés aux prises d’eau ou situés à l’intérieur des installations de traitement mais ne couvre pas les réservoirs faisant partie de la chaîne de traitement elle-même ;
— la conception ;
— les exigences générales pour les normes de produits ;
— les exigences en matière de contrôle de qualité et d'audit, d'essais et de mise en service ;
— les exigences pour l’exploitation ;
— les exigences pour l’inspection, la réhabilitation et les réparations.
Les exigences du présent document s’appliquent à :
— la conception et la construction de nouveaux réservoirs ;
— l'extension et la modification de réservoirs existants ;
— la réhabilitation significative de réservoirs existants.
Le présent document ne s'applique pas aux réservoirs constitués par la construction d'un barrage ou par des lacs utilisés pour le stockage de l'eau.
Oskrba z vodo - Zahteve za sisteme in sestavne dele vodnih zbiralnikov
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2025
Oskrba z vodo - Zahteve za sisteme in sestavne dele vodnih zbiralnikov
Water supply - Requirements for systems and components for the storage of water
Wasserversorgung - Anforderungen an Systeme und Bestandteile der
Wasserspeicherung
Alimentation en eau - Prescriptions pour les systèmes et les composants pour le
stockage de l'eau
Ta slovenski standard je istoveten z: EN 1508:2025
ICS:
91.140.60 Sistemi za oskrbo z vodo Water supply systems
93.025 Zunanji sistemi za prevajanje External water conveyance
vode systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 1508
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2025
EUROPÄISCHE NORM
ICS 93.025 Supersedes EN 1508:1998
English Version
Water supply - Requirements for systems and components
for the storage of water
Alimentation en eau - Prescriptions pour les systèmes Wasserversorgung - Anforderungen an Systeme und
et les composants pour le stockage de l'eau Bestandteile der Wasserspeicherung
This European Standard was approved by CEN on 1 September 2025.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1508:2025 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Abbreviated terms . 9
5 General requirements . 9
5.1 General. 9
5.1.1 General. 9
5.1.2 Functions . 9
5.1.3 Decision criteria and system configuration . 9
5.2 Functional requirements . 10
5.2.1 Functional requirements – water quality . 10
5.2.2 Functional requirements – operation . 12
6 Design requirements . 15
6.1 Design general – volume, elevation . 15
6.1.1 Type of service reservoirs . 15
6.1.2 Operational water level . 15
6.1.3 Capacity and exchange of water . 16
6.1.4 Physical shape of water compartments . 17
6.1.5 Materials . 17
6.1.6 Piping within service reservoirs . 17
6.1.7 Safe working conditions for operation and maintenance . 17
6.2 Watertightness . 17
6.3 Structural design . 18
6.3.1 General. 18
6.3.2 Limit states . 18
6.4 Further provisions. 19
6.4.1 Stress analysis . 19
6.4.2 Stress analysis – construction . 19
6.4.3 Stress analysis – water towers . 19
6.4.4 Crack width . 20
6.4.5 Drainage . 20
6.4.6 External roofs . 20
7 General requirements for products . 20
8 Commissioning, tests and checks . 20
8.1 General considerations . 20
8.1.1 General. 20
8.1.2 Hygiene . 20
8.1.3 Safety of personnel . 21
8.1.4 Principles . 21
8.1.5 Roofs . 21
8.1.6 Walls and floors . 22
8.2 Cleaning and disinfection . 23
8.2.1 General . 23
8.2.2 Cleaning . 23
8.2.3 Disinfection . 23
8.2.4 Water quality clearance . 23
8.2.5 Records . 24
8.3 Commissioning . 24
8.3.1 General . 24
8.3.2 Water quality. 24
8.3.3 Operations . 24
9 Operational requirements . 24
9.1 Introduction . 24
9.1.1 General . 24
9.1.2 Monitoring. 24
9.1.3 Inspection . 24
9.1.4 External inspection . 25
9.1.5 Operating manual . 25
9.2 Maintenance . 25
9.3 Cleaning and disinfection . 25
10 Rehabilitation and repair requirements . 25
10.1 Introduction . 25
10.2 Survey . 25
10.3 Prevention of contamination . 26
10.4 Return to service . 26
Annex A (informative) Guidance to EN 1508 . 27
Bibliography . 41
European foreword
This document (EN 1508:2025) has been prepared by Technical Committee CEN/TC 164 “Water supply”,
the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2026, and conflicting national standards shall be
withdrawn at the latest by April 2026.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Thi
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