The City of Terrace Community Water System serves a population of approximately 12,000 people with 3,943 water connections. The system draws from three sources of water: 

1. Frank Street wells: provides over 99% of the water
2. Deep Creek: emergency backup
3. Skeena River: emergency backup

Three reservoirs at two sites store the water:

1. Halliwell reservoir
   • Largest of the three reservoirs
   • Volume of 2,727m³ 
   • Maximum winter turnover of 48 hours
   • Services the Bench neighbourhoods and some areas of the Regional District of Kitimat-Stikine north of town
2. Wilson St. reservoirs: 
   • Two reservoirs 
   • Combined volume of 2,712m³ 
   • Maximum winter turnover rate of 30 hours
   • Services most of Terrace and Brauns Island