spillover under the croton dam spillway after heavy rain

seaspray spray mist tumble tumbling rapid white water freshwater reservoir parkland view overflow runoff erosion hydrology engineered engineering natural event man rushing energy rush flow fluvial geology eddies currents river stream foss waterfall dammed hydro power cascading environment environmental law conservation hudson valley scenic masonry stonework craftsmanship architecture arctitecturally interesting dated style design blocks granite angled oblique control force drinking protection