Allegheny River at Clinton Lock and Dam

Last updated: Jun 28, 2025, 2:30 AM UTC
Flood Watch

Flood Impacts 🅘

  • 26.4 - Water reaches the bottom of the first floor window of the powerhouse at Lock 6.
  • 23 - Top of rail of the Pennsylvania Railroad across the river from the lock floods.
  • 19 - Lock walls overtopped.

Gauge Info

Coordinates 40.7167, -79.5811
RFC OHRFC
State PA
WFO PBZ
County Armstrong
Data Provider(s)
USGS 03039035
COE Website

Gauge Location

Recent Crests

1. 17.90 ft on 02-08-2019
2. 16.20 ft on 03-23-2007
3. 19.80 ft on 03-16-2007
4. 20.30 ft on 09-18-2004
5. 19.20 ft on 12-31-1990

Historic Crests

1. 26.40 ft on 03-18-1936
2. 22.00 ft on 06-23-1972
3. 20.30 ft on 09-18-2004
4. 19.80 ft on 03-16-2007
5. 19.20 ft on 12-31-1990

Vertical Datum Table

type NAVD88
major Flooding 783.80 ft
moderate Flooding 781.80 ft
minor Flooding 780.80 ft
action 776.80 ft
Latest Value 769.69 ft
Gauge Zero 759.80 ft

Gauge Photos

No Images Found

Probability Information

Photo 1 of 3

Unique Local Info

Potential River Levels - Used to

Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Pittsburgh
192 Shafer Road
Moon Township, PA 15108
Official Homepage