Investigation ·
-7.04068, 110.48370Insufficient data
Guided assessment
No photograph — observations come from the guided checklist, attributed to the reporter.
Observation
ColourConfirmed
90%The water has a greenish‑brown hue with a slight yellowish tint.
ClarityConfirmed
80%The water is relatively clear near the surface but the bottom is not distinctly visible, indicating moderate turbidity.
ParticlesConfirmed
70%Small floating debris, including a leaf and a piece of wood, are visible on the surface.
AlgaeConfirmed
60%A greenish tint suggests the presence of algae or similar biological growth on the water surface.
SurfaceConfirmed
90%The surface is calm with gentle ripples and clear reflections of surrounding trees and sky.
Evidence
The study determined water condition of Babon River in Semarang city, reporting depth between 31 and 90 cm and a clarity measurement (22 0-320-32‰).
Uncertainty The claim does not establish chemical pollutant levels, recent water quality status at the specific site near Sendangmulyo, nor identify upstream pollution sources.
Research assessed pollution loading of metals that may accumulate in sediments of Banjir Kanal Barat and Bringin estuaries in Semarang, Central Java.
Uncertainty The claim does not provide data for Banjir Kanal Timur or for the specific location near Sendangmulyo, nor does it identify sources of the metal loads.
Water Quality Index value of 51.94 was reported for West Banjir Kanal Estuary, indicating very high pollution by total suspended solids, nitrate, and phosphate.
Uncertainty The claim pertains to the western estuary, not to Banjir Kanal Timur or the Kali Babon area under investigation, and does not specify recent measurements.
The study aimed to determine concentrations of water quality variables and assess the trophic status of Babon River using the Trophic State Index (TSI).
Uncertainty The claim does not provide the actual measured concentrations, nor does it link the trophic status to observed algae, fish kills, or specific pollution sources at the investigation site.
The study examined spatial changes of land use using Landsat data within the Banjir Kanal Timur watershed in Semarang City.
Uncertainty The claim does not include water quality measurements or identify point sources of pollution affecting the waterway.
The AI‑based WAQUAL system achieved 99.43% accuracy in detecting turbidity levels, reporting a turbidity measurement of 693,502.5 (units unspecified).
Uncertainty The claim does not specify where the turbidity measurement was taken, nor does it relate to the investigated waterways.
A case study evaluated real‑time river water quality monitoring using multi‑parameter indicators for the Ciliwung and Cisadane rivers.
Uncertainty The claim does not pertain to the Babon River or Banjir Kanal Timur, nor does it address the specific research questions about local water quality or pollution sources.
An IoT‑based water quality monitoring system was reported as reliable and cost‑effective for coastal water ecosystems in Semarang city.
Uncertainty The claim provides no actual water quality data for Kali Babon or Banjir Kanal Timur and does not address pollution sources or incidents.
One Health pathways
Potential exposure routes, stated conditionally and cited to their basis. A pathway is not a finding of harm — only the assessment below may weigh them.
Human health
How people could come into contact with this water.
ingestion · 0%
If confirmed, people swimming or wading in the water could ingest contaminants such as nitrates, phosphates, or suspended solids present in the water.
Exposed: recreational water users
To confirm: test water for nitrate, phosphate, and total suspended solids concentrations
dermal · 0%
If confirmed, dermal contact with the water could expose swimmers to elevated levels of suspended particles and potential metal residues.
Exposed: people with skin contact during recreation
To confirm: analyze water for turbidity, total suspended solids, and metal content
irrigation · 0%
If confirmed, irrigation with this water could transfer contaminants to crops, potentially leading to exposure through food consumption.
Exposed: farmers and consumers of irrigated produce
To confirm: assess concentrations of nitrates, phosphates, and heavy metals in irrigation water and resulting soil
inhalation · 0%
If confirmed, aerosolized particles from the water surface could be inhaled by nearby residents, potentially delivering suspended solids or volatile compounds.
Exposed: people living adjacent to the water body
To confirm: sample airborne particulates above the water for suspended solids and chemical residues
Animal health
How wildlife, pets, or livestock could be exposed.
livestock watering · 0%
If confirmed, livestock drinking from the source could ingest metals and nutrients that may affect animal health.
Exposed: domestic animals using the water for drinking
To confirm: measure metal concentrations and nutrient levels in the water source
Ecosystem health
How the waterway itself and its habitat could be affected.
habitat · 0%
If confirmed, elevated metal concentrations and nutrient loads could support harmful algal growth, potentially affecting aquatic organisms in the water body.
Exposed: aquatic flora and fauna
To confirm: measure concentrations of heavy metals, nitrates, phosphates, and chlorophyll-a in water and sediments
Assessment
confidence 60%
60%The available evidence does not support a risk conclusion either way.
Inference
The water appears greenish‑brown with moderate turbidity and possible surface algae, which can be natural or indicate nutrient enrichment. No location‑specific measurements of chemicals, pathogens, or metals are available, and the cited studies address other parts of the watershed (e.g., West Banjir Kanal estuary, Banjir Kanal Barat) rather than the exact site near Sendangmulyo. Consequently, the available evidence does not allow a reliable determination of health risk at this point.
Risk factors considered
Supporting evidence
The study determined water condition of Babon River in Semarang city, reporting depth between 31 and 90 cm and a clarity measurement (22 0-320-32‰).
Uncertainty The claim does not establish chemical pollutant levels, recent water quality status at the specific site near Sendangmulyo, nor identify upstream pollution sources.
Research assessed pollution loading of metals that may accumulate in sediments of Banjir Kanal Barat and Bringin estuaries in Semarang, Central Java.
Uncertainty The claim does not provide data for Banjir Kanal Timur or for the specific location near Sendangmulyo, nor does it identify sources of the metal loads.
Water Quality Index value of 51.94 was reported for West Banjir Kanal Estuary, indicating very high pollution by total suspended solids, nitrate, and phosphate.
Uncertainty The claim pertains to the western estuary, not to Banjir Kanal Timur or the Kali Babon area under investigation, and does not specify recent measurements.
The study aimed to determine concentrations of water quality variables and assess the trophic status of Babon River using the Trophic State Index (TSI).
Uncertainty The claim does not provide the actual measured concentrations, nor does it link the trophic status to observed algae, fish kills, or specific pollution sources at the investigation site.
What to do next
Treat the water as untested; avoid drinking, cooking, or direct skin contact until a qualified laboratory analysis is performed. Contact the local environmental or health authority for guidance on sampling and testing.
What this cannot tell you
Interoperability
Context
Proximity is context only. Nothing here indicates that a listed feature affects this water.
Sources
Exports