What should I do once the boil water advisory is lifted in my area?

Residents are advised to "flush" their water following the lifting of the boil water advisory, to clear plumbing of potentially contaminated water. Please follow these guidelines:

Clean aerators: (aerators are the screens at the end of the faucets, they reduce the amount of water that comes out of the faucet and control the flow. 

Flush cold water faucets: 5 minutes with cold water.

Flush hot water faucets: To clear hot-water pipes and water heater, flush the hot water line for a minimum of 15 minutes for a typical household 40-gallon hot-water tank, 30 minutes for an 80-gallon hot water tank or larger. 

Water Heaters: run hot water from all faucets until water runs cold. Second option is to drain the water heater using spigot/release on the bottom of heater.

Flush showers: 5 minutes of a mix of hot and cold water

Toilets: flush and clean each toilet.

Dish Washers: If your machine has a sanitize cycle, run 1 cycle

Outdoor Spigots: 5 minutes, disconnect hose first.

Refrigerator Water Dispenser: flush for 5 minutes or at least 1 quart of water.

Faucet/Fridge Water Filters: consider replacing filter per manufacturer recommendation.

In-Line Water Filter: consider replacing filter per manufacturer recommendation.

Ice Makers: Discard about three batches of ice from the ice maker and sanitize the ice bin.

Water Softeners: cycle water softener per manufacturer recommendation.

Humidifiers: Discard any water used in humidifiers, Continuous Positive Airway Pressure (CPAP), oral, medical, or health care devices, and rinse the device with clean water.


Show All Answers

1. What should I do once the boil water advisory is lifted in my area?
2. Is it safe to do laundry during a boil water advisory?
3. How long will the boil water advisory remain in effect?
4. I have heard that you need to boil water longer than 1 minute, is that true?
5. How do I care for my garden and houseplants during a boil water advisory?
6. Food preparation during a boil water advisory?
7. How do I care for my pets during a boil water advisory?
8. Is it safe to wash dishes during a boil water advisory?
9. Is it safe to bath and/or shower during a boil water advisory?
10. Where does Maui water come from?
11. Is Maui County's drinking water really safe?
12. What causes occasional taste and odor changes in Maui water?
13. Why is chlorine added to the water?
14. Why does my water look milky sometimes?
15. Do I have hard or soft water?
16. What is the pH of my water?
17. How much water does an average residential customer use in a month?
18. Why do we have droughts Upcountry?
19. Where can I get more information about lead in Upcountry residential plumbing and what is the DWS doing about it?
20. I live in Upper Kula. What are chloramines and how can they affect me?
21. I recall receiving notices about the water quality in Upcountry Maui, but I haven't seen one in a long time. What happened to those notices?
22. How do I find out information about wastewater reuse/reclamation (recycled water)?
23. How do I find out more information about wastewater?