Summary of detections, arithmetic means and maximum concentrations of total neonicotinoids and active ingredients in water from Prairie wetlands of central Saskatchewan (2012–2013).

1Total neonicotinoid concentrations are the sum of all four active ingredients detected in wetland samples.NS: not sampled; wetlands for this crop were dry, absent or overflooded.ND: not detected; LOQ: Acetamiprid (0.25 ng/L); Clothianidin (0.6 ng/L); Thiamethoxam (0.9 ng/L); Imidacloprid (0.55 ng/L).