UPDATED BREAKING: Ammonia Leak at Waterville Valley Ice Arena Prompts Town Square Evacuations Determined to be a Faulty Detector

October 31, 2025 — by Scanner Alerts Media

WATERVILLE VALLEY, N.H. — Based on emergency radio communications, an ammonia leak at the Waterville Valley Ice Arena, 25 Village Rd., prompted evacuations across Town Square this morning.

At approximately 8:56 a.m., the Waterville Valley Fire Department was dispatched for an initial report of smoke in the building at the ice arena. Upon arrival, companies reported an active ammonia leak and initiated activation of fire alarms in all Town Square buildings, prompting evacuations.

First-arriving companies requested that a team leader from the Central New Hampshire Hazardous Materials Team make contact. At about 9:35 a.m., radio traffic indicated a full activation of the Central NH HazMat Team, with resources requested to respond to the scene to mitigate and secure the leak and verify safe conditions.

As of this report, no additional official details have been transmitted over the air regarding potential exposures, injuries, or the cause of the release. This article reflects information solely from emergency radio traffic; details may be updated when agencies issue formal statements.

What we know (radio traffic)

• 8:56 a.m. — WVFD dispatched to 25 Village Rd. for smoke in the building at the ice arena.

• On arrival — Companies reported an active ammonia leak.

• Town Square — Fire alarms activated in all buildings; evacuations initiated.

• HazMat coordination — Team leader from Central NH HazMat Team requested to connect with command.

• ~9:35 a.m. — Full activation of the Central NH HazMat Team requested to respond and mitigate/secure the leak.

• Status — HazMat response in progress; updates to follow when available.

• at approximately 10 AM it was determined the cause was a faulty detector

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Scanner Alerts Media will update this story with any official releases from responding agencies.

Credit: Emergency radio communications