The river is already effluent — drag the season

At the drought flow Ohio writes discharge permits at, the Ottawa leaving Lima is 97% treated effluent — 41.31 cfs of WWTP + campus discharge against 1.21 cfs of natural low flow. Drag the river lower and the dilution collapses to nothing at the 1Q10 = 0 dry floor. The campus joins this reach twice; three large RSEI dischargers already sit on it. The screen below is modeled, not measured — it shows who and how much, never that the river's capacity is exceeded. That record is [open]. Full essay: toxics and the corridor →