The North Carolina Department of Agriculture and Consumer Services (NCDACS) laboratory performed analyses of ammonia, chlorine, iron, magnesium, manganese, nitrate, pH, phosphorus, potassium, total alkalinity, zinc, and hardness in drinking and surface waters in accordance with NCDENR specifications and methods for routine soil and solutions reports (NCDACS, 2012; NCDENR, 2005a, 2005b).
EPA, 1996b) and NCDENR groundwater quality standards (NCDENR, 2005a), were created for turbidity (>1.0 vs.