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February 11, 2026

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Advisory for FORT LIARD, Northwest Territories

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FORT LIARD

Type: Water Quality Advisory - Active

Issued: 12/22/2025

Details:

FORT LIARD COMMUNITY WS – WQA issued December 22 due to Trihalomethanes (THMs) levels in treated drinking water exceeding Health Canadas guideline.

THM levels in Fort Liard have likely been higher for some time, but they have never reached the level where chloroform could cause health effects. The average values of total THM for the community water system are around 139 micrograms per litre (&#956;g/L), the maximum allowable concentration is 100 &#956;g/L.

Since October 2025, the Hamlet of Fort Liard and Municipal and Community Affairs (MACA) have been implementing short-term measures to reduce THMs, and work continues on a long-term solution.

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