Home Basin Index

Merrimack River @ Lowell, Ma
Merrimack River at Lowell
 Total Drainage Area: 4,635 sq. miles 
 Drainage Area Controlled by Corps Dams: 1,619 sq. miles (35%) 
 Warning Flow/Stage: 28,500 cfs / 49.0 feet 
 Flood Flow/Stage: 45,100 cfs / 52.0 feet 
Date Time
(Eastern)		 Stage
(ft)		 Flow
(cfs)		 CSM
(cfs / sq. mi.)
Jun-25 12:30 am 43.38 5,547 1.2
Jun-24 11:30 pm 43.38 5,547 1.2
Jun-24 10:30 pm 43.38 5,547 1.2
Jun-24 09:30 pm 43.38 5,547 1.2
Jun-24 08:30 pm 43.40 5,606 1.2
Jun-24 07:30 pm 43.44 5,727 1.2
Jun-24 06:30 pm 43.51 5,941 1.3
Jun-24 05:30 pm 43.60 6,221 1.3
Jun-24 04:30 pm 43.64 6,348 1.4
Jun-24 03:30 pm 43.66 6,412 1.4
Jun-24 02:30 pm 43.66 6,412 1.4
Jun-24 01:30 pm 43.66 6,412 1.4
Jun-24 12:30 pm 43.67 6,444 1.4
Jun-24 11:30 am 43.69 6,508 1.4
Jun-24 10:30 am 43.71 6,571 1.4
Jun-24 09:30 am 43.75 6,698 1.4
Jun-24 08:30 am 43.67 6,444 1.4
Jun-24 07:30 am 43.66 6,412 1.4
Jun-24 06:30 am 43.65 6,380 1.4
Jun-24 05:30 am 43.66 6,412 1.4
Jun-24 04:30 am 43.65 6,380 1.4
Jun-24 03:30 am 43.65 6,380 1.4
Jun-24 02:30 am 43.65 6,380 1.4
Jun-24 01:30 am 43.65 6,380 1.4
Jun-24 12:30 am 43.68 6,476 1.4
Report Generated June 25, 2025 05:30 am