Contaminants in waterways continue to be a problem especially in watersheds dominated by land use changes such as agriculture. Clearing the land for agricultural use is needed to support the population; however, agricultural contaminants are cited as contributing the greatest input of suspended solids and nutrients to waterways. Quantifying various contaminants in surface water is useful in determining their origin, thus aiding in their mitigation. This study, focused on the Cache River Watershed, reports pH, dissolved oxygen (DO), conductivity, turbidity, total suspended solids (TSS), NO3 - , NO2 - , and PO4 3- in the lower sub watersheds. It was determined that in the Cache River, at these particular sites, TSS, NO3 - , NO2 - , and PO4 3- concentrations differ due to varying sources of input and land use.
Gilmer, A. M.; Rosado-Berrios, C. A.; and Bouldin, J. L.
"Establishing Baseline Nutrient and Sediment Input in the Lower Cache River Watershed, AR,"
Journal of the Arkansas Academy of Science: Vol. 66
, Article 14.
Available at: http://scholarworks.uark.edu/jaas/vol66/iss1/14