Contamination of Colina Lake in Chihuahua, Mexico
Author Information
Author(s): Hector Rubio-Arias, Nora I. Rey, M. Quintana Rey, G. Virginia Nevarez, Oskar Palacios
Primary Institution: Autonomous University of Chihuahua
Hypothesis
Domestic tourism contaminated this water body, potentially impacting visitor health.
Conclusion
Local tourism is contaminating the recreational area of Colina Lake, posing a public health threat.
Supporting Evidence
- Fecal coliforms were detected in about 45% of water samples after Holy Week.
- Coliform presence is widely used to establish water quality.
- Aluminum levels were higher after the Holy Week vacation period.
- Most heavy metals concentrations increased after the Holy Week vacation.
- Local tourism is likely contaminating the recreational area.
Takeaway
The water in Colina Lake got dirtier after many people visited during Holy Week, which could make people sick.
Methodology
Water samples were collected from 20 points before and after the Holy Week vacation, and analyzed for coliforms and heavy metals.
Potential Biases
Potential bias due to limited sampling times and locations.
Limitations
The study only focused on one recreational area and may not represent other locations.
Participant Demographics
Visitors to Colina Lake during the Holy Week vacation period.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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