Repairing Flooded Equipment | National Grid
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Floodwaters can permanently damage gas and electrical equipment. Even if the equipment dries out, contaminants can affect electronics and moving parts. Corrosion is likely and is often hidden. This can lead to failures and can cause fires, even if the equipment appears intact and functions after drying out.

If your property has flooded, contact a plumbing or heating contractor to make sure your appliances are safe to operate. To ensure both your and our employees’ safety, National Grid will not enter your premises after a flood until all water is removed, all repairs are complete, and every gas appliance is in working condition. The sooner you have your appliances checked, the faster we can restore your service.

In general, these steps will be required to restore service:

  • An assessment of the condition of all gas equipment (both National Grid and customer-owned) at the property
  • Repair and/or replacement of our equipment or customer-owned appliances
  • At least one visit, and possibly additional visits, to the property by our meter services employees to test, inspect, and relight pilot lights

Suspect a leak?

If you smell natural gas, see a white cloud, mist, fog, or bubbles in standing water, or notice any other signs of a gas leak, report it immediately to 1-800-892-2345 or 911.