Water can have many effects on exterior lighting design, and is always enhanced by adding light. It can have many effects on settings from a small pond in a gun to a huge fountain in a public square. It enhances when adding loss light fittings need to be waterproof though. When water is still it is reflective just as a mirror. So at nighttime it can act as an accentuating feature. When water is moving, it sparkles and can create a dynamic feature to add in any external design.

Water is best lit from within. When it is clear lighting a murky pond or even one with vegetation will only heighten what you don't see below. This kind of water is best left as a reflective pool at night. When lighting moving water, light can be placed in or around the spouse to illuminate the flow and reflection. Smallest spouts can have fiber optics within them. When lighting logic fountains, the fittings should always be placed just outside the spout.

In larger bodies of clear water, such as swimming pool lots can make it appear to glow as life is reflected and refracted in a diffused manner. Lot fittings in pools are best placed at the side and recessed where possible. fiber optics and LEDs are great for creating and picking out patterns, especially when recessed