Nemerow Pollution Index and Inter-Variable Relationships in Esuk Oro River, Southern Nigeria
This study recalculated the Nemerow Pollution Index for the Esuk Oro River in Southern Nigeria using station means and Pearson correlations, revealing that phosphate-driven nutrient enrichment is the primary pollution factor while emphasizing the index's role as a screening tool rather than a definitive safety declaration due to limited data and operational benchmarks.