Table 9: Twenty five largest river basins in the Gulf of Maine Watershed
Based on STN 2min river network
Basin Rank	Name	Order	longitude	latitude	STNMainstem Length (km)	STN CatchmentArea (km2)
1	St. John River	6	-66.117	45.217	662	55459
2	Kennebec River	6	-69.817	43.883	359	24631
3	Penobscot River	6	-68.85	44.617	376	21578
4	Merrimack River	5	-70.85	42.817	262	12990
5	Saco River	5	-70.35	43.45	173	4386
6	St. Croix River	5	-67.15	45.15	124	3929
7	Piscataqua River	5	-70.75	43.083	78	2573
8	Shubenacadie River	4	-63.483	45.283	94	2501
9	Petitcodiac River	4	-64.583	45.85	94	2073
10	Magaguadavic River	4	-66.783	45.083	116	1975
11	Machias River	4	-67.417	44.717	88	1887
12	Annapolis River	4	-65.55	44.75	91	1880
13	Presumpscot River	3	-70.217	43.65	116	1582
14	Tusket River	4	-65.983	43.85	67	1490
15	Union River	4	-68.417	44.483	82	1200
16	Kennetcook River	4	-64.117	45.05	56	1077
17	Digdeguash River	3	-67.05	45.083	98	1022
18	Charles River	3	-71.05	42.35	59	955
19	Clyde River	4	-65.417	43.55	79	902
20	Sheepscot River	4	-69.75	43.883	81	778
21	Salmon River	4	-63.383	45.383	45	714
22	Narraguagus River	3	-67.883	44.55	41	702
23	Sissiboo River	4	-65.983	44.417	53	638
24	Gaspereau River	3	-64.283	45.117	54	564
25	Black River	3	-64.15	44.983	37	516