1. Is my water safe to drink?
Yes. The District is proud to declare that its water surpasses even the most stringent state and federal water quality regulations. Your drinking water has passed rigorous sampling and testing procedures before it reaches your tap. In addition to extensiv

2. Where does my water come from?
While most of the water you receive originates in the Colorado River, a portion originates in the Sacramento-San Joaquin Delta. The Metropolitan Water District imports water from these sources through the 242-mile long Colorado River Aqueduct and the Stat

3. Should tap water be treated before it is used in a fish aquarium or pond?
Yes. To inhibit bacterial growth your drinking water contains chloramines, a disinfectant made from chlorine and ammonia that can kill fish. Chloramines can be neutralized by adding chemicals available at local pet or aquarium supply stores or by filterin

4. Is my water considered hard?
There are dissolved minerals in drinking water such as calcium and magnesium that make the water hard. As the amount of minerals in the water increases, the water becomes harder. The water industry measures hardness in grains per gallon and generally cons