water stagnation at end of summer

bad bodies branches bubbles changing contaminant contamination defilement design dirt dirty dirtying discharge drainage ecology end environmental eutrophication foam froth head impurity issue lather leaves light macrolevel matter microlevel oil organic organics pattern pipe plume pollutant polluter pollution pond process reflected scum sewage soap soft soiling spume stagnant stagnation stochastic suds summer surface tracery trees water weightless yellow