High quality simulated water You can use ProOptimizer modifier on the water and Remove Turbosmooth (gravel tub big drops) if you need less polys.
Turn on Caustics for best effects.
Dimensions: 174 * 169 * 109 cm
All objects are logically named and have own material of the same name.
Reset Xform
polys: 1088068
verts: 587999
Another exterior fountain:
https://3dsky.org/3dmodels/show/fountain_04_1 
Best Regards.