Cross Connection

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The Village of Norridge has implemented a cross connection program to help protect against the contamination of our drinking water supply. Community water supplies are required by the Illinois Environmental Protection Agency and the Illinois Department of Public Health to maintain active backflow preventative devices to prevent the cross contamination of the water supply. The Village of Norridge Water Department’s goal is to continue to deliver safe, high quality water to your home or business.

Community water supplies are required by the Illinois Environmental Protection Agency and the Illinois Department of Public Health to maintain active backflow preventative devices to prevent the cross contamination of the water supply. The Village of Norridge Water Department’s goal is to continue to deliver safe, high quality water to your home or business. For additional information please contact Joseph Spain at 708-453-0800 x5318 or jspain@villageofnorridge.com

Cross Connection Information

  • A cross-connection is defined as an actual or potential connection between a public water supply and a source of possible contamination or pollution. All buildings with water supply fed from the community water system have potential cross-connections, regardless of the age of the building, or plumbing.
  • The water pipes and plumbing fixtures that make up cross-connections can be the link for contamination to get back into the drinking water supply, creating serious health hazards.
  • Backflow occurs when the direction of the water flowing through the pipes reverses.
  • Backflow can occur due to a sudden drop in water pressure.
  • A drop in water pressure can be caused by:
    • Heavy water usage in the area.
    • A fire in the area which may call for heavy water usage.
    • A water main break, with large water loss.
  • When backflow takes place, contaminated water could be siphoned back into your plumbing system from unprotected cross-connections within your home or business, creating a backflow.
  • Although the Village of Norridge has a very reliable water distribution system, the pressure drops that may cause these problems can occur somewhere in the village at any time, given the appropriate circumstances.
  • The result of cross-connection contamination is that chemicals, poisons, and bacteria might find their way into the water you drink.
  • The Cross Connection surveys are done every two years.

More Information

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