BIOROCK Certified Wastewater Treatment Plants 


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).

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 in Aachen in Germany and Certipro In Belgium.

Part 1: Pre-fabricated Septic tanks

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

Part 6: Prefabricated treatment units for septic tank effluent

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

Treatment efficiency

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


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 wastewater treatment units at its testing facility (OSET TestFac) located within the Rotorua City Wastewater Treatment Plant.

BIOROCK is certified to meet the AS/NZS 1546.1:2008 standard.

BIOROCK is certified to meet the EN12566.3 & EN12566.6 performances.

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).