Daphnia magna mortality (A), and mean (N = 10; SD) growth (B) and
reproduction (C) responses to effluent dilutions from a municipal treatment plant
(MTP) and aerobic (ATP) and septic (STP) on-site wastewater treatment plants at
the Baylor Wastewater Research Program Facility over a 21 d study period. Oneway ANOVA with Student–Newman–Keuls post hoc test (a = 0.05). ⁄p < 0.05.