BIOROCK Tested Conform to British Standard BS EN12566-3

for Small Sewage Water Treatment Systems

Part 1: Pre-fabricated Septic tanks

Quality productThe BIOROCK Primary tanks are tested for its efficiency at the PIA in Aachen in Germany. The hydraulic efficiency is 99.86%

Declaration of Performance (DOP) EN-12566-1

Part 3: Packaged and/or site assembled domestic wastewater treatment plants

The complete BIOROCK systems (Primary Tank + Bioreactor) are tested for biological efficiency at the PIA and at Certipro.

Treatment efficiency
BOD5: 98.7 % (4 mg/l)
COD: 96.3 % (26 mg/l)
SS: 99.3 % (3 mg/l)

Declaration of Performance (DOP) EN-12566-3

Part 6: Prefabricated treatment units for septic tank effluent

The ECOROCK treatment units (reactors) can also be installed after an existing Primary Tank (Retrofit).

BIOROCK certifications and approvals in different countries

New Zealand

The ECOROCK units have passed the On-site Effluent Treatment National Testing Programme (OSET NTP) testing of ex-factory on-site sewage water treatment units at its testing facility (OSET TestFac) located within the Rotorua City Wastewater Treatment Plant.

BIOROCK is certified to meet the secondary effluent quality requirements of AS/NZS 1547:2012.


The ECOROCK units are tested at the PIA in Aachen in Germany (Notified body 1739) and at Certipro in Mol in Belgium for “Small wastewater treatment systems for up to 50 PE”. The units have passed the tests for Water tightness and Structural behaviour (crush test and pit test).PIA_Certificate_2017


Declaration of Performance (DOP) EN-12566-1

Declaration of Performance (DOP) EN-12566-3

German approvals

BIOROCK has 4x approvals (DIBt Zulassungen) for Germany.
The ECOROCK units are approved as a complete system (Primary tank + Bioreactor) and as a Retrofit (Bioreactor only).