Substance Regulatory Obligations


Conductivity (water)

EC number: -

CAS number: -

Last updated: 16/05/2023
ECHA Legislation Regulatory Obligations

Regulatory obligations may exist for this substance under the legislations under ECHA’s remit or for which ECHA has delegated tasks (i.e. REACH, CLP, BPR, PIC, CAD / CMD, WFD, and POPs). Please check the substance Infocard.

Drinking Water Directive (recast)

Quality Criteria for Drinking Water

The Drinking Water Directive 2020/2184 concerns the quality of water intended for human consumption. Drinking water is wholesome and clean if it’s: (a) free from any micro-organisms and parasites and from any substances which, in numbers or concentrations, constitute a potential danger to human health; (b) meets the minimum requirements set out in Parts A, B and D of Annex I. Indicators parameters set out in Part C of Annex I shall also be monitored, as they can help to identify water treatment.

Application Name Maximum Threshold Part Notes(s)  
Drinking water
2500 µS/cm
C Part C - Indicator parameters
Conductivity measured at 25°C
Water for Human Consumption Directive-repealed

Water for Human Consumption Directive - Quality Criteria

This list contains the Annex I parameters from the Drinking Water Directive 98/83/EC, which concerns the quality of water intended for human consumption. Its objective is to protect human health from adverse effects of any contamination of water intended for human consumption by ensuring that it is wholesome and clean.

Name CAS Application Name Expressed As Maximum Threshold Minimum Threshold Part Qualifier(s) Restriction(s) Notes  
Conductivity (water)
Drinking water
2500 µS/cm
C1 Part C - Indicator parameters
At 25°C
The water should not be aggressive