Dr Francis Ongachi

Dr. Francis Ongachi Olal

Senior Lecturer –HoD, Department of Physical Sciences


Rongo University,
P.O. Box 103-40404, Rongo

Email: olalf12@gmail.com, folal@rongavarsity.ac.ke



Academic Qualifications

2009 – 2013    University of Eldoret, PhD (Analytical Chemistry)

Aug 2009        Moi University Environmental impact Assessment and Audit course

2002 – 2005     Moi University, M. Phil (Chemistry)

1997-1999       Moi University, Bachelor of Science (chemistry) – Second class, upper division

2010 -2011      East Africa Vision Institute: Diploma in NGO/CBO Management

1997-1988.      Kenya Polytechnic, Higher Diploma (Applied chemistry -analytical)

1982-1985.      Kenya Polytechnic, Diploma (Applied sciences)

1977-1980.                  Agoro Sare High School, Kenya Certificate of Education (K.C.E.) -Div. 2

Work Experience

January 2019 to date Rongo University

Senior Lecturer

Jan 2015 –Jan 2019               Rongo University


2010-2014                               Eldoret Water and Sanitation Company Ltd.

Quality Assurance Manager

2006-2010                               Eldoret Water and Sanitation Company Ltd.

Quality Control Manager

2000-2006                               Eldoret Water and Sanitation Company Ltd.

Laboratory technologist

1989-2000.                              Eldoret Municipal Council

Laboratory Technologist

1985-1989.                              Ministry of Water Development

Laboratory Technologist


Professional Affiliation

Member of Chemical Society of Kenya


Research Interests

My research interest is in the field of environmental analytical chemistry. Environmental contamination, measurement of organic and inorganic environmental contaminants. Examining physical and chemical processes in the environment (air, water and soil).



Wambugu W, Olal F.O., Mbakaya CF, Keriko JM, Kombe Y. and Mwangi M.(2017). Health Effects of Pesticide Exposure among Formulators, Repackers and Store Workers in Nairobi, Kenya. Journal of Natural

Sciences ResearchVol 7 No 24 ISSN2225-0921

Olal, F.O. (2017). Determination of some selected heavy metals in fish and water samples from a section of Migori river. Journal of Natural Sciences ResearchVol 7 No 6 ISSN2225-0921

Olal, F.O. (2016). Biosorption of Selected Heavy Metals Using Green Algae, Spirogyra Species. Journal of Natural Sciences Research Vol.6, No.14, ISSN 2224-3186.

Olal, F.O. (2016). Heavy Metals in Edible Vegetables Grown Around Sewage Ponds and Damp Site in Eldoret Town, Kenya. Journal of Natural Sciences Research Vol.6, No.8, ISSN 2224-3186.

Olal, F.O. and Nyamolo, Moses (2016). Assessment of the Impact of Anthropogenic Activities on the Drinking Water Qualities of Boreholes/Shallow Well Water in Huruma Estate -Eldoret, Kenya. Journal of Environment and Earth Science ISSN 2224-3216 Vol.6, No.3, 2016

Olal, F.O. (2015). Assessment of the Impact of Urban Runoff from Migori Town on the Concentration Levels of Selected Heavy Metals in Migori River, Kenya. Journal of Environment and Earth Science ISSN 2224-3216 Vol.5, No.20, 2015

Olal, F.O., Kituyi, L. and Segor,F. (2014). Environmental Pollution and Monitoring of heavy Metals using brown algae biosorbent. 5Th SEANAC Conference, 9th – 13th June 2014, Mombasa, Kenya.

Olal F., Ndalut, P. and Kipkemboi, P. (2007); Environmental impact of iron and manganese in Moiben dam in Marakwet District; Journal of the Kenya Chemical Society Vol. 4 No.2. Pg 14-22

Olal, F. (2012). Challenges in water treatment and supply: A case of Eldoret Municipality and its environs; KDSA conference, 23rd to 24th August, 2012, Moi University, Medical Education Centre.

Gatongi, P., Njoroge, S., Walekwa, C. and Olal, F. (2007). The risk of water borne diseases in Eldoret Municipality and its environs. 5th Annual International Conference, 4th-8th August 2007, Moi University, Eldoret.