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NewsNBC Los Angeles (KNBC) – LocalJuly 1, 2026Los Angeles

Boil Water Notice Issued for Parts of Koreatown

The Los Angeles Department of Water and Power (LADWP) has issued a boil water notice for a specific two-block area in Koreatown after detecting E. coli bacteria. Residents and businesses in the affected zone must boil tap water for at least one minute before using it for drinking, cooking, or brushing teeth.

public healthwater qualityKoreatownLos Angelesinfrastructure
Read the full story at NBC Los Angeles (KNBC) – Local

Why It Matters

Residents and business owners in the specified Koreatown area must change their water usage habits for at least two days to avoid potential illness from contamination.

Key Facts

  • A boil water notice is in effect for a two-block radius in Koreatown due to the detection of E. coli.
  • The notice requires boiling tap water for at least one minute before use for drinking, cooking, ice making, or brushing teeth.
  • Affected streets include South Ardmore, Normandie, and Mariposa avenues between W 5th and W 6th streets, as well as W 5th and W 6th streets between Ardmore and Mariposa.
  • The notice is expected to remain in place for at least two consecutive days until water samples return clear results.
  • LADWP officials believe the E. coli detection may be an isolated incident related to a single testing location rather than the entire pipe system.
  • Local restaurants in the affected area may be required to remain closed per LA County Health protocols.
  • Council District 10 staff are conducting door-to-door notifications and distributing free bottled water and ice.
  • LADWP is performing additional sampling and flushing of the water system.

Who's Mentioned

personJanisse Quiñones“Outgoing LADWP CEO and chief engineer.”personJonathan Leung“LADWP water quality director.”other1-800-DIAL-DWP“Contact number for water quality questions.”locationKoreatown“The neighborhood affected by the water notice.”personHeather Hutt“LA Councilmember for District 10, which includes the affected area.”organizationLos Angeles Department of Water and Power“The agency managing the water supply and issuing the notice.”