Welcome Clean Stream Biological Services

Biomonitoring is primarily used to gain an understanding of the living components.


TOXICITY TESTING is the study of the effect of toxic substances on aquatic ecosystems.
Clean Stream Biological Services specializes in biological monitoring of aquatic ecosystems, biodiversity assessments and bioaccumulation studies.
We also conduct focussed toxicity testing (as a biomonitoring tool) in conjunction with our sister company, Biotox Laboratory Services
Our main client base is the South African mining industry, various industries, municipalities, government, private developers and consultants that make use of our specialist expertise.
Our Team
Clean Stream Biological Services is home scientists with an in-depth scientific understanding of each field of specialization with qualifications ranging from Ph.D. to B.Tech. degrees.
All scientists responsible for biomonitoring programmes are DWS-accredited SASS5 practitioners while senior scientist and management are also registered professional scientists with the South African Council for Natural Scientific Profession (SACNASP).
Our team, with a combined experience of over 40 years in the field of environmental monitoring, has a hands-on and focussed approach for each project.
BEEE Status
Biotox Laboratory Services is committed to compliance with BEEE standards. We have a Class 4 EME certified status.