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​A single drop of water goes through a transformation to reach a faucet in your home. Whether the water starts underground in an aquifer, or as a snowflake falling on a mountain, it takes a feat of engineering and management to take that droplet, test it, pump it and let it flow to your home.

Depending on where you live, your water probably came from a canal system (called "surface water") or from deep underground (called "groundwater"). Sometimes, your water is a mix of both types.

Surface water, generally, is considered to be a more sustainable type of water. This is water that begins in the form of precipitation — rain or snowfall. It falls onto mountains or streams, which flow into large-scale, managed systems. In metropolitan Phoenix, for example, many communities get their water from the Central Arizona Project canal, which gets its water from the Colorado River basin.

Groundwater, literally, is water from the ground. It can be as simple as water from a well, but a managed groundwater supply is much more complex than that. Deep underground are large aquifers that supply groundwater. In our Clovis district, for example, the water supply comes from the Ogallala Aquifer.

Regardless of which type of water supplies your district, all water gets treated and tested after it reaches our system.