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CO Detector

CO Detector Activation Reported No Illness

Black River Fire responding to a CO detector going off at a residence. No illness reported.

Closed Apr 29, 2026 u{000847} 9:02 PM Black River Fire
235 Maple Street Apt B, Black River · Near Ambrose Drive and Union Street

Incident Report

Black River Fire responded to a carbon monoxide detector activation at a residence on Maple Street in Black River, according to dispatch radio traffic. Units were dispatched at 9:02 p.m. to 235 Maple Street, Apartment B—a two-story residential structure—for the report of a detector alarm with no illness reported. Cross streets were identified as Ambrose Drive and Union Street.

Black River Engine 6-1-1 arrived on scene around 9:12 p.m. and began an investigation, with firefighter 6-P14 soon reporting carbon monoxide levels of 7-10 parts per million inside the residence. Responders requested National Grid assistance due to the gas readings, and the utility inquired about the levels over radio at 9:17 p.m. By 9:35 p.m., dispatch reported no estimated time of arrival for National Grid, and Black River units remained on scene through 10:01 p.m.

The incident was cleared at 10:05 p.m. after about 63 minutes, with Black River 6-1-1 reporting the scene turned over to National Grid representative Greg and units going available.

Dispatch Audio

Initial 9:02:08 PM

CO Detector Activation Reported No Illness

View Transcript
Black River Fire, respond. 235 Maple Street, Apartment B for a CO detector going off. No illness. Repeating. Black River Fire, respond. 235 Maple Street, Apartment B, Boy, for a CO detector going off. No illness. Cross Street, Ambrose Drive and Union Street.

Black River Fire

Incident Timeline (8 events)

1
CO Detector Activation Reported No Illness 9:02:08 PM

Black River Fire responding to a CO detector going off at a residence. No illness reported.

Black River Fire, respond. 235 Maple Street, Apartment B for a CO detector going off. No illness. Repeating. Black River Fire, respond. 235 Maple Street, Apartment B, Boy, for a CO detector going off. No illness. Cross Street, Ambrose Drive and Union Street.
2
Black River Engine en route 9:07:48 PM

Black River 6-1-1 responding to CO detector call.

9:07:42 PM JE 6-1-1 Jefferson 611.
9:07:46 PM JE Dispatch 611.
9:07:48 PM JE 6-1-1 We're responding.
9:07:51 PM JE Dispatch 2107.
3
Engine Arrives at CO Detector 9:12:24 PM

Black River 6-1-1 arriving on scene, two-story residential for investigation.

9:12:24 PM JE 6-1-1 We'll be arriving two story residential investigation.
4
Gas readings at Black River CO detector 9:15:37 PM

Black River 6-P14 requests National Grid to scene due to gas readings inside residence on CO detector call.

9:15:28 PM JE 6-P14 Justin Blackenburg.
9:15:32 PM JE Dispatch Jefferson on for Black River.
9:15:37 PM JE 6-P14 Can you start me in National Grid? Press to my location, please.
9:15:49 PM JE Dispatch Copy. Is there going to be a gas leak?
9:15:54 PM JE 6-P14 We are getting readings inside the residence.
9:15:58 PM JE Dispatch Copy.
5
CO levels 7-10 ppm at Black River residence 9:17:34 PM

National Grid inquiring on CO readings. Black River 6-P14 reports levels between 7-10 ppm from earlier.

9:17:10 PM JE Dispatch Jefferson to block over command.
9:17:12 PM JE 6-P14 Got it.
9:17:17 PM JE Dispatch National Grid inquiring on your readings.
9:17:34 PM JE 6-P14 We're getting between seven and ten parts from earlier.
9:17:36 PM Unit Copy.
6
No ETA for National Grid at Black River CO call 9:35:14 PM

Black River 6-P14 asking dispatch for ETA on National Grid response. Dispatch reports negative.

9:35:06 PM JE 6-P14 Testing. What?
9:35:09 PM JE Dispatch New York Center, back over.
9:35:14 PM JE 6-P14 Greg, do any ETA by any chance?
9:35:19 PM JE Dispatch That's negative.
9:35:23 PM JE 6-P14 Received.
7
Black River rigs on scene CO call 10:01:15 PM

Black River 6-P14 confirms rigs on location at CO detector call.

10:01:09 PM JE 6-P14 Jefferson Black River.
10:01:12 PM JE Dispatch Service on the back over.
10:01:15 PM JE 6-P14 Rigs on location.
10:01:18 PM JE Dispatch Treasure one.
8
Black River Fire available from CO call 10:05:47 PM

Black River 6-1-1 reports scene turned over to Greg, going available.

10:05:40 PM JE 6-1-1 Justin Black River.
10:05:43 PM JE Dispatch For Black River.
10:05:47 PM JE 6-1-1 She's been turned over to Greg. Will be available.
10:05:48 PM Unit 225.
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