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River Bulletin

St. Lawrence River Monthly Bulletin

The US Army Corps of Engineers, Buffalo District, in conjunction with Environment Canada, publishes a Monthly Water Levels Bulletin for the St. Lawrence River. The bulletin is distributed free of charge each month, with data from April through September. You may request an e-mail subscription to the bulletin by sending your name and e-mail address to the Buffalo District Water Management Team, 1776 Niagara Street, Buffalo, NY 14207.

To better serve the public, the Buffalo District has made the bulletin available via our Web server. The bulletin consists of graphs showing past, present, and predicted monthly mean water levels at the six locations shown in the map below and listed following the map. These graphs are labeled in French as well as English.

Monthly Mean Water Level Bulletin Table 

September 2016

Kingston

Ogdensburg

Iroquois(above dam)

Long Sault (above dam)

Summerstown

Pointe Claire

 

 

 

 

 

 

 

Mean for month (preliminary data)

244.98 ft

74.67 m

243.86 ft

74.33 m

241.77 ft

73.69 m

239.86 ft

73.11 m

153.22 ft

46.70 m

68.77 ft

20.96 m

Mean for month last year

245.64 ft

74.87 m

244.26 ft

74.45 m

241.60 ft

73.64 m

238.98 ft

72.84 m

153.48 ft

46.78 m

70.18 ft

21.39 m

 

 

 

 

 

 

 

Period of record

1960 - 2015

1960 - 2015

1960 - 2015

1960 - 2015

1960 - 2015

1960 - 2015

Maximum monthly mean (year)

246.42 ft

75.11 m

1986

245.24 ft

74.75 m

1967

243.83 ft

74.32 m

1967

242.42 ft

73.89 m

1967

153.67 ft

46.84 m

1997

71.33 ft

21.74 m

1986

Long-term monthly mean (year)

245.31 ft

74.77 m

244.26 ft

74.45 m

242.09 ft

73.79 m

240.16 ft

73.20 m

153.28 ft

46.72 m

69.36 ft

21.14 m

Minimum monthly mean (year)

244.26 ft

74.45 m

1964

243.50 ft

74.22 m

2012

241.04 ft

73.47 m

1987

238.65 ft

72.74 m

1985

152.66 ft

46.53 m

1964

67.16 ft

20.47 m

1964

 

Probable mean for next month

244.62 ft

74.56 m

243.64 ft

74.26 m

241.44 ft

73.59 m

239.93 ft

73.13 m

153.28 ft

46.72 m

68.73 ft

20.95 m

 

 

 

 

 

 

 

To convert from IGLD 1985 to  IGLD 1955 subtract

0.58 ft

0.176 m

0.37 ft

0.113 m

0.39 ft

0.119 m

0.34 ft

0.105 m

0.31 ft

0.096 m

0.27 ft

0.082 m

You can retrieve the graph for any location by selecting from the list located directly below the map. Each graph is a 700x400, 85 kilobyte (approx.) GIF.

The data on the graphs and in the table are preliminary and subject to revision.