- Choose a station number for station description and daily mean discharge
values for the 1999 water year (October 1998 to September 1999).
Pawcatuck River Basin
- Pendleton Hill Brook near Clarks Falls, CT
- Pawcatuck River at Westerly, RI
Poquonock River Basin
Thames River Basin
- Willimantic River near Coventry, CT
- Natchaug River at Chaplin, CT
- Mount Hope River near Warrenville, CT
- Natchaug River at Willimantic, CT
- Shetucket River near Willimantic, CT
- Little River near Hanover, CT
- Quinebaug River at Quinebaug, CT
- Quinebaug River at Putnam, CT
- Quinebaug River at Jewett City, CT
- Yantic River at Yantic, CT
Connecticut River Basin
- Connecticut River below Holyoke Dam at Holyoke, MA
- Connecticut River at Thompsonville, CT
- Stony Brook near West Suffield, CT
- Broad Brook at Broad Brook, CT
- West Branch Farmington River at Riverton, CT
- Still River at Robertville, CT
- Hubbard River near West Hartland, CT
- Burlington Brook near Burlington, CT
- Farmington River at Unionville, CT
- Pequabuck River at Forestville, CT
- Farmington River at Tariffville, CT
- Connecticut River at Hartford, CT
- Hockanum River near East Hartford, CT
- Coginchaug River at Middlefield, CT
- Connecticut River near Middletown, CT
- Salmon River near East Hampton, CT
- Connecticut River at Old Saybrook, CT
Indian River Basin
Quinnipiac River Basin
- Quinnipiac River at Southington, CT
- Quinnipiac River at Wallingford, CT
Mill River Basin
Housatonic River Basin
- Housatonic River at Falls Village, CT
- Salmon Creek at Lime Rock, CT
- Tenmile River near Gaylordsville, CT
- Housatonic River at Gaylordsville, CT
- Pomperaug River at Southbury, CT
- Housatonic River at Stevenson, CT
- Naugatuck River at Thomaston, CT
- Naugatuck River at Beacon Falls, CT
Southwestern Coastal River Basins
- Rooster River at Fairfield, CT
- Mill River near Fairfield, CT
- Sasco Brook near Southport, CT
- Saugatuck River near Redding, CT
- Norwalk River at South Wilton, CT
- Fivemile River near Canaan, CT
