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Diana Cătălina COVACIU
University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Agriculture, Calea Mănăştur 3-5, 400372 Cluj-Napoca, Romania
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Silvia Claudia MOȘNEAG
Somes Water Company, Water Analysis Laboratory of the WTP Gilău, 79 21 December 1989, St., 400604 Cluj-Napoca, Romania
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Antonia ODAGIU
University of Agricultural Sciences and Veterinary Medicine, 3-5 Manastur St., 400372 Cluj-Napoca
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Tania MIHĂIESCU
University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Agriculture, Calea Mănăştur 3-5, 400372 Cluj-Napoca, Romania
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Călin SAFIRESCU
University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Agriculture, Calea Mănăştur 3-5, 400372 Cluj-Napoca, Romania
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Daniela BORDEA
University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Agriculture, Calea Mănăştur 3-5, 400372 Cluj-Napoca, Romania
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Sorina DĂRJAN
University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Agriculture, Calea Mănăştur 3-5, 400372 Cluj-Napoca, Romania
Keywords:
interdependencies, pollution sources, spatial and environmental factors, variance
Abstract
In rural areas, the reliance on local water resources underscores the importance of ensuring water
safety and sustainability. This study explores the interactions between natural factors (e.g., climate
and topography) and pollution occurrence that shape water quality dynamics. The research was
conducted in Dangău Mare Commune, Cluj County, Romania, over a six-month period (March–
September 2024). Monthly water samples were analyzed for selected water indices. The findings
reveal distinct patterns of stability and variability. Correlations emphasize specific interdependencies,
with PCA identifying three principal factors: environmental conditions (55.82% variance),
geographical position (33.03% variance), and pollution sources (11.16% variance). The dominance of
environmental and spatial factors underscores their influence on water quality, while pollutionrelated
variability
highlights
the
impact
of
human
activities.
