There are three utilities in SimCity 4: water, power, and garbage (waste disposal). All three of these can be found in the Utilities Menu in Mayor Mode. Power is required for nearly every building in the game, and zones will not develop unless they are supplied with power. Water is required for higher-stage and higher-wealth development to occur, however low density development can occur without water. Waste disposal is not required for growth to occur, however without facilities or Neighbor Deals in place to dispose of garbage, it will accumulate in your city, reducing desirability. All three utilities can be monitored in Data View.