Spills · oil
Mendenhall river, juneau, ak 99801, USA
Flooding of Mendenhall Lake and River, Juneau, Ak · NOAAORR-10647
- issued
- 2023-08-06 00:00Z
- status
- cancelled 2023-08-20 00:00Z
- self-cancels
- 2023-08-20 00:00Z
- authority
- NOAA OR&R
- sea
- The Coastal Waters of Southeast Alaska and British Columbia
- position
- 58.393, -134.584
- source
- incidentnews · first seen 2026-09-03 15:09Z
Original warning text
Flooding of Mendenhall Lake and River, Juneau, AK. Mendenhall River, Juneau, AK 99801, USA. 1. On the evening of 5-Aug, 2023, a glacial ice dam released at the Mendenhall Glacier in Juneau resulted in the flooding of the Mendenhall Lake and River. Per the NWS, the Mendenhall Lake gauge crested as of 11:15pm Saturday at 14.97 feet, several feed above the previous record. The water level is falling rapidly however flooding is ongoing. Homes along the Mendenhall River have been impacted by flood waters which has resulted in heavy debris and the loss of an unknown number of home heating oil tanks (HHOTs). The AK DEC is aware of 5 HHOTs that were swept away by flood waters. No current volume or capacity estimates for the impacted tanks at this time. 2. THREAT: OIL. 3. POSITION 58.393N 134.584W. NOAA INCIDENTNEWS 10647: https://incidentnews.noaa.gov/incident/10647
This area · spills & pollution incidents
95 within 180 nm since 1986 · 6 in the last 12 months · 0 in force now
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- Mendenhall glacier flood outburst 2026; juneau, alaska2026-08-11
- On july 23, 2026, the U.S2026-07-23
- Coast guard MH-60 helicopter, air station sitka; sitka, alaska2026-06-22
- 103 metlakatla st, sitka, ak 99835, USA2026-01-12
- Juneau, ak, USA2025-12-31
- On 9/24/25, the U.S2025-09-24
Season · when spills & pollution incidents happen here
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month of issue, all years in the archive
Timeline · 3 messages since 2023-08-01 · closed 2023-09-07
- Commercial fishing vessel aground in gastineau channel, juneau, ak2023-08-01 → 2023-08-15
- Mendenhall river, juneau, ak 99801, USA this message2023-08-06 → 2023-08-20
- 38-foot fishing vessel listing, funter bay, angoon, ak2023-08-24 → 2023-09-07
joined by proximity
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
8 spills & pollution incidents in force · see all
Spills
Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings. All current spills & pollution incidents →
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