Health: Steps to take after a Water Main Break or Boil Water Advisory
Water main breaks can introduce contaminants like bacteria, viruses, and minerals into the water supply. A water filter can help keep your water clean and safe, even if there's an issue with the municipal water supply.
It can be expensive, but it's a good idea to change your water filters after a water main break, and it's critical to do so after a boil water advisory.
Even though the water company flushes the lines and may issue boil water advisories, contaminants can clog or contaminate your filter, reducing its effectiveness.
I do this once the utility company repairs the problem or lifts the boil water advisory.
Water Main Break |
Boil Water |
|
Yes |
Yes |
Sanitize your system: Before installing new
filters, run water for at least 5 minutes to sanitize your system. |
Yes |
Yes |
Run your appliances: After the water main
breaks, you should run your appliances to flush out the system: |
Yes |
Yes |
Hot water tank: Drain your hot water tank I prefer to do it from the tank to get the sediments out, but one could run the faucet until the water is cold, then repeat in an hour. |
Yes |
Optional |
Refrigerator: Run the in-door water dispenser
for a few minutes and use the ice to water plants |
Yes |
Yes |
Refrigerator: run the water, then replace the filter
and use the ice to water plants |
Yes |
Yes |
Dishwasher and washing machine: Run two empty cycles, then a third cycle with detergent or a machine cleaner. If you don't (did not) see colored/dirty water, you can also consider one empty and one with soap or washer cleaner. |
Optional |
Yes |
Change Filters: Replace whole house and Reverse
Osmosis (RO) filters |
Yes |
Yes |
Follow Local Guidance: If your water company
provides specific post-break recommendations, follow those to help ensure
your water quality. |
Yes |
Yes |
Follow your owner's manual or call your water filter service company. For instructions on returning your system to service, consult your owner's manual or contact the manufacturer or service company. |
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