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Waste water quality
Waste water quality
The quality of wastewater of the Zagreb agglomeration is monitored daily in the Drainage technological services of Vodoopskrba i odvodnja d.o.o.

The Water permit defines the obligations of Vodoopskrba i odvodnja d.o.o., i.e. sampling sites, the indicators we monitor and the dynamics, i.e. the number of samples at each location. According to our Water Permit, we monitor the quantity and quality of wastewater at the urban settlements wastewaters entrances into surface waters.

From the results of the analysis we can say that the quality of the wastewaters that we monitor complies with the MDK values of the Regulation on the limit values of wastewater emissions for the public drainage system, i.e. the quality of municipal wastewater.

On 2nd June 2016, the Drainage Technology Service Laboratory (Drainage Sector of Vodoopskrba i odvodnja d.o.o.) was issued a Certificate of Accreditation (No.: 1531, Ref. No.: 383-02 / 15-30 / 023, Reg.no/Id.No.: 569-02 / 11-16-21) by the Croatian Accreditation Agency (HAA) for waste water testing according to the standard HRN EN ISO/IEC 17025:2007. The issuance of this accreditation marks the successful completion of the demanding process of certifying the highest level of competence for wastewater testing under continuous external independent supervision by HAA assessors.