01Groundwater Modeling – Landfill Management
Surface WaterGroundwaterFlood & DroughtGISTraining
Building Water Security and Climate Resilience Across the Horn of Africa
Biyosahan HydroTech Solutions is a Somalia-based professional consulting firm specializing in groundwater modeling, flood and drought risk assessment, GIS analysis, and technical capacity building, delivering science-based solutions for governments, municipalities, NGOs, universities, and the private sector.
5+Groundwater projects
8+Training programs
100%Data-driven delivery
3+Sectors served
Tools & platforms we work with
MODFLOW 6GW VistasModelMusePESTQGISPython
Who we are
More about us →
Science and regional knowledge, working together
Biyosahan is a Somalia-based professional consulting firm specializing in water resources science, hydrogeological modeling, climate risk assessment, and technical capacity building. We combine scientific expertise with deep regional knowledge to deliver practical, high-impact solutions tailored to the East African context.
Our vision
To be the Horn of Africa’s most trusted hydro-technology and water-resources consultancy.
Our mission
Science-driven water, GIS and environmental solutions that reduce risk and strengthen local capacity.
Why Biyosahan
Talk to our team
Why organizations choose us
Internationally recognized hydrogeological methods, delivered by a team that knows Somalia and the Horn of Africa.
Mogadishu, SomaliaWorking across Somalia & the Horn of Africa
01
Local knowledge
Headquartered in Mogadishu and working across Somalia and the Horn of Africa, including the Juba and Shabelle basins.
02
Science-based models
Groundwater modeling, flood and drought analysis, GIS remote sensing and pumping test interpretation.
03
Local capacity building
Training and knowledge transfer so your teams can run and maintain the work after we deliver it.
04
Decision-ready outputs
Reports, dashboards, map books and documented assumptions ready for decision-makers.
What we deliver
All services →Our services
Water resources consulting, hydrogeological modeling, climate resilience and technical capacity building — Horn of Africa & beyond.
Flood risk & early warning
Hydrological modeling and hazard mapping for early warning systems and evacuation plans that protect lives and infrastructure.
- Flood hazard maps
- Risk assessment
- Hydrological & hydraulic flood modeling
Drought & climate resilience
Drought forecasting, vulnerability mapping and water-harvesting solutions that secure water resources for the long term.
- Drought severity & vulnerability mapping
- Water budget & drought forecasting
- Climate resilience planning
Surface & groundwater monitoring
Monitoring networks, water-quality data management and hydrogeological databases for WASH water sources.
- Groundwater level monitoring
- River/surface water monitoring systems
- Water quality data management
GIS consulting
Hydrogeological mapping, satellite imagery analysis and geodatabase design for resource planning and irrigation.
- Land-cover analysis
- Environmental mapping
- Resource planning
Water project consulting
Feasibility studies, proposals, ToR preparation, project design and technical supervision with M&E frameworks.
- Feasibility studies
- Technical proposal development
- Terms of Reference (ToR) preparation
Capacity building & professional training
Specialized training in groundwater modeling, water resources management and climate resilience.
- Pumping tests interpretation
- Applied groundwater flow modeling (GW Vistas & MODFLOW 6)
- Groundwater modeling enterprise strategies
Tools & modeling expertise
Our solutions →
From field data to decision-ready models
We support modern engineering workflows using professional and open-source modeling platforms.
Groundwater and watershed modeling tools
QGIS, remote sensing and geospatial analytics
Python-based automation and dashboards
Environmental data processing and visualization
How we work
Clear process, technical results
01
Discover
We understand the problem, data availability and expected outputs.
02
Model
We build scientific models, maps and simulations using suitable tools.
03
Validate
We review data quality, calibrate results and document assumptions.
04
Deliver
We deliver reports, dashboards, training and decision-ready outputs.
Reference works
All references →Project areas we support
Flexible project templates for water resources, engineering and environmental decision support.
01
02Groundwater Engineering – Mining Dewatering
Dewatering & Groundwater Control Model
03Environmental Assessment
Landfill Hydraulic Containment
04Coastal Aquifer Study
Island & Coastal Aquifer Assessment
Consulting
Consulting details →Numerical modeling & technical studies
Focused studies in hydrology, hydraulics, GIS and environmental modeling for planning and investment decisions.
Model setup & calibration
Scenario design, boundary conditions, calibration to observations and sensitivity analysis.
Risk & hazard mapping
Flood depth, inundation extent, dam-break and drought exposure mapping for planning.
Decision-ready deliverables
Technical memos, map books, dashboards and training for your teams.
Articles
All articles →Latest articles
Technical articles and short posts on water, climate and resilience.
Flood and droughtFlooding in Mogadishu and Across Somalia: Why Climate Resilience and Drainage Matter More Than Ever
Flooding has become one of the most urgent climate and urban challenges facing Mogadishu and many parts of Somalia. In 2025 and 2026, heavy…
Read article
Water sector updatesHow do satellites know wells are running dry before anyone notices?
Groundwater is vital for many communities. Satellites now track underground water loss, revealing declines before wells run dry. This…
Read article
Water sector updatesBaku Dialogue on Water for Climate Action: Interim Meeting at UN Climate Talks
A new report from the UN Children’s Fund UNICEF examines how youth engagement currently functions within water, sanitation and hygiene WASH…
Read articleSolution partners
Who we work with
Government AgenciesEngineering FirmsNGOsUniversitiesWater UtilitiesClimate Projects
Find out more
Useful pages on our website and trusted groundwater resources.
- Our services – flood, drought, groundwater, GIS and training
- Groundwater – benefits and challenges – International Association of Hydrogeologistsiah.org
- What is hydrogeology and what do hydrogeologists do? – International Association of Hydrogeologistsiah.org
- Somalia water and land information – FAO SWALIM – maps, rainfall and river data for Somaliafaoswalim.org
- Articles – technical articles on Somalia’s water
Contact
Contact page →Let’s build a smarter water future
Contact us for GIS, hydrology, flood, drought, groundwater, coastal or environmental modeling projects.