U. S. Geological Survey Massachusetts - Rhode Island Water Science Center    
PEAK RIVER STAGES, DISCHARGES, AND APPROXIMATE RECURRENCE INTERVALS DATA FOR FLOODS OF OCTOBER 8 - 19, 2005 (updated 10/24/2005)    
USGS Gaging Stations Where Flood Recurrence Intervals Equaled or Exceeded 2 Years    
(Data are provisional and are subject to revisions)    
Note: A 5-year flood has a one in five chance of occuring in any one year; a 100-year flood has a one in one hundred chance of occuring in any one year    
       
Station Station name Date of Time of Peak Peak Flood Start Year Of    
Number   Peak Peak Gage Height Discharge Recurrence Gaging Station    
      (hours) (feet) (cubic feet Interval      
          per second) (years)      
MERRIMACK RIVER BASIN                
01094400 NORTH NASHUA RIVER AT FITCHBURG, MA 15-Oct 0800 7.11 2,360 5 1935    
01096000 SQUANNACOOK RIVER NEAR WEST GROTON, MA 15-Oct 2130 6.73 2,170 5 1949    
01097000 ASSABET RIVER AT MAYNARD, MA 16-Oct 0730 5.48 1,460 3 1941    
01099500 CONCORD R BELOW R MEADOW BROOK, AT LOWELL, MA 19-Oct 0400 7.47 2,550 2 1936    
01100000 MERRIMACK RIVER BL CONCORD RIVER AT LOWELL, MA 16-Oct 2015 53.51 55,500 5 1923    
01100600 SHAWSHEEN RIVER NEAR WILMINGTON, MA 16-Oct 1100 7.04 630 3 1963    
                   
MYSTIC RIVER BASIN                
01102500 ABERJONA RIVER AT WINCHESTER, MA 15-Oct 2100 12.99 467 3 1939    
                   
CHARLES RIVER BASIN                
01103500 CHARLES RIVER AT DOVER, MA 19-Oct 0215 6.09 1,840 5 1937    
01104500 CHARLES RIVER AT WALTHAM, MA 15-Oct 1715 4.1 1,310 2 1931    
                   
NEPONSET RIVER BASIN                
01105000 NEPONSET RIVER AT NORWOOD, MA 15-Oct 1500 9.96 860 10 1939    
01105500 EAST BRANCH NEPONSET RIVER AT CANTON, MA 15-Oct 1430 5.88 1,100 10 1952    
                   
WEYMOUTH BACK RIVER BASIN                
01105600 OLD SWAMP RIVER NEAR SOUTH WEYMOUTH, MA 15-Oct 1545 5.92 458 10 1966    
                   
SOUTH COASTAL RIVER BASIN                
01105870 JONES RIVER AT KINGSTON, MA 15-Oct 2245 4.99 297 5 1966    
                   
TAUNTON RIVER BASIN                
01108000 TAUNTON RIVER NEAR BRIDGEWATER, MA 17-Oct 1200 12.38 3,860 25 1929-76, 1985-88, 1996 -     
01109000 WADING RIVER NEAR NORTON, MA 16-Oct 0300 10.79 1,060 25 1925    
                   
BLACKSTONE RIVER BASIN                
01109730 BLACKSTONE RIVER, W. MAIN ST., AT MILLBURY, MA 15-Oct 0930 11.76 5,960 unknown 2002    
01110000 QUINSIGAMOND RIVER AT NORTH GRAFTON, MA 15-Oct 1600 4.61 657 50 1939    
01110500 BLACKSTONE RIVER AT NORTHBRIDGE, MA 15-Oct 1600 13.65 7,410 25 1939-77, 1995 -     
01112500 BLACKSTONE RIVER AT WOONSOCKET, RI 15-Oct 2400 15.34 16,400 25 1929    
                   
MOSHASSUCK RIVER BASIN                
01114000 MOSHASSUCK RIVER AT PROVIDENCE, RI 15-Oct 1000 8.26 2,020 25 1963    
                   
WOONASQUATUCKET RIVER BASIN                
01114500 WOONASQUATUCKET RIVER AT CENTERDALE, RI 16-Oct 0400 4.86 1,670 50 1941    
                   
PAWTUXET RIVER BASIN                
01116000 SOUTH BRANCH PAWTUXET RIVER AT WASHINGTON, RI 16-Oct 0400 4.86 1,670 20 1940    
01116500 PAWTUXET RIVER AT CRANSTON, RI 15-Oct 1430 13.68 4,260 40 1939    
                   
PAWCATUCK RIVER BASIN                
01117420 USQUEPAUG RIVER NEAR USQUEPAUG, RI 16-Oct 0730 8.09 932 10 1959, 1976 -    
01117468 BEAVER RIVER NEAR USQUEPAUG, RI 15-Oct 1345 3.97 321 10 1974    
01117500 PAWCATUCK RIVER AT WOOD RIVER JUNCTION, RI 16-Oct 1615 5.98 1,110 10 1940    
                   
MILLERS RIVER BASIN                
01162500 PRIEST BROOK NEAR WINCHENDON, MA 16-Oct 0330 5.68 589 5 1916    
01166500 MILLERS RIVER AT ERVING, MA 15-Oct 1345 7.09 5,930 5 1915    
                   
DEERFIELD RIVER BASIN                
01168500 DEERFIELD RIVER AT CHARLEMONT, MA 9-Oct 0415 13.53 25,700 10 1913    
01169000 NORTH RIVER AT SHATTUCKVILLE, MA 9-Oct 0515 12.32 18,800 100 1939    
01170000 DEERFIELD RIVER NEAR WEST DEERFIELD, MA 9-Oct 0730 13.35 37,500 15 1940    
01170100 GREEN RIVER NEAR COLRAIN, MA 9-Oct 0500 9.14 6,030 150 1967    
                   
CONNECTICUT RIVER BASIN                
01170500 CONNECTICUT RIVER AT MONTAGUE CITY, MA 9-Oct 1045 35.04 121,000 5 1904    
01171500 MILL RIVER AT NORTHAMPTON, MA 9-Oct 0415 13.95 a 8,860 a 200 * 1938    
          New peak discharge        
      Previous peak discharge     6,300 cfs, 8/19/55      
                   
CHICOPEE RIVER BASIN                
01173500 WARE RIVER AT GIBBS CROSSING, MA 15-Oct 1815 8.54 5,310 10 1912    
01174500 EAST BRANCH SWIFT RIVER NEAR HARDWICK, MA 15-Oct 1930 21.38 1,210 5 1937    
01175670 SEVENMILE RIVER NEAR SPENCER, MA 15-Oct 0545 12.95 400 25 1960    
01176000 QUABOAG RIVER AT WEST BRIMFIELD, MA 15-Oct 0600 9.32 3,500 25 1912    
01177000 CHICOPEE RIVER AT INDIAN ORCHARD, MA 15-Oct 1430 12.92 12,000 10 1928    
                   
WESTFIELD RIVER BASIN                
01181000 WEST BRANCH WESTFIELD RIVER AT HUNTINGTON, MA 9-Oct 0300 14.35 27,900 5-10 * 1935    
          New peak discharge        
      Previous peak discharge    26,100 cfs, 8/19/55      
                   
01183500 WESTFIELD RIVER NEAR WESTFIELD, MA 9-Oct 0900 16.59 18,400 5 1914    
                   
FARMINGTON RIVER BASIN                
01185500 WEST BRANCH FARMINGTON RIVER NEAR NEW BOSTON, 9-Oct 0300 8.81 6,460 5 1914    
                   
HOUSATONIC RIVER BASIN                
01197000 EAST BRANCH HOUSATONIC RIVER AT COLTSVILLE, MA 9-Oct 0530 8.14 b 6,510 b 5-10 * 1936    
          New peak discharge        
      Previous peak discharge     6,400 cfs, 9/21/38      
                   
01197500 HOUSATONIC RIVER NEAR GREAT BARRINGTON, MA 9-Oct 1530 10.34 8,080 20 1913    
                   
HUDSON RIVER BASIN                
01332500 HOOSIC RIVER NEAR WILLIAMSTOWN, MA 8-Oct 2200 12.36 9,840 25 1940    
                   
                   
    Prior recurrence interval excluding October 2005 peaks              
01171500 MILL RIVER AT NORTHAMPTON, MA         >500      
01181000 WEST BRANCH WESTFIELD RIVER AT HUNTINGTON, MA         100      
01197000 EAST BRANCH HOUSATONIC RIVER AT COLTSVILLE, MA         50      
                   
* Return periods for these stations were recalculated following Bulletin 17-B guidelines from the annual series of peak flows including the most recent October 2005 peaks. This assumes that the most recent peaks are the maximum flow for the 2006 water year, and thus are subject to change.        
                   
a Based on peak-stage indicator                
b Values may be higher pending results of survey of high-water marks                

USGS STREAMGAGES THAT SET NEW MAXIMUM MONTHLY MEAN DISCHARGES FOR OCTOBER 2005

  (based on stations with 20 or more years of operation)