EN 13946:2025

Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes EN 13946:2025

Publication date:   Oct 15, 2025

General information

60.60   Standard published   Sep 24, 2025

CEN

CEN/TC 230 Water analysis

European Norm

13.060.70   Examination of biological properties of water

Buying

Published

Language in which you want to receive the document.

Scope

This document specifies a method for the sampling and laboratory preparation of benthic diatoms for ecological status and water quality assessments. The sampling and preparation procedures described can be used for later investigations using either light microscopy or molecular methods. Data produced by this method are suitable for production of indices based on the relative abundance of taxa.
Analysis using molecular methods is not within the scope of the document.

Related legislation

Legislation related to this standard

2000/60/EC

Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 establishing a framework for Community action in the field of water policy (substitutes Directive Reference 01/991 - Common Position on WFD)

Life cycle

PREVIOUSLY

WITHDRAWN
EN 13946:2014

NOW

PUBLISHED
EN 13946:2025
60.60 Standard published
Sep 24, 2025




Access Genorma App Everywhere

Get fast and easy access to top European and International standards (EN, ISO, IEC) via your mobile phone, tablet or the web.