urban-waste-water-treatment

Urban Waste Water Treatment Directive, Annex I: Discharge requirements

EU. Urban Waste Water Treatment: Annex I, Tables 1 & 2, Directive 91/271/EEC, last amended by Directive 2013/64/EU, 28 December 2013

This list contains requirements for (1) discharges from urban waste water treatment plants (Annex I, Table 1), and (2) discharges to sensitive areas (Annex I, Table 2), under Directive 91/271/EEC.

Chemical oxygen demand (COD)

EC / List no: - CAS no: -
Concentration
125 mg/l
Expressed As
As O2
Method
Homogenized, unfiltered, undecanted sample Potassium dichromate
Minimum reduction
75 %
Table
1