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EVS-EN 12255-5:2024

Wastewater treatment plants - Part 5: Lagooning processes

General information

Valid from 01.04.2024
Base Documents
EN 12255-5:2024
ICS Groups
13.060.30 Sewage water
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.04.2024
Main
EVS-EN 12255-5:2024
01.03.2000
Main
EVS-EN 12255-5:2000
This document is applicable to lagoons and specifies the performance requirements for the installation of lagooning processes.
This document applies to wastewater lagooning processes treating municipal wastewater from combined
or separate sewage systems and when used as a tertiary treatment.
NOTE Lagoon systems are especially suitable for the treatment of wastewater where large flow variations occur (e.g. arising from surface water connections in the collection system). They are also especially suitable where large load variations occur (e.g. arising from fluctuating seasonal or industrial flows).

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English