Maine Station Directory

Active Monitoring Locations

Real-time hydrological observation sites grouped by region, with ongoing streamflow, stage height, and temperature metrics.

Total Gauges
115
Offline / Stale
41

Androscoggin County

6 stations

Aroostook County

17 stations
ID: 01011000

Allagash River Near Allagash, Maine

Latitude 47°4'11" N, Longitude 69°4'46" W

Streamflow Gauge Height Quality
Flow Rate 402 ft³/s
Stage Height 2.18 ft
Status Nominal
ID: 01017000

Aroostook River At Washburn, Maine

Latitude 46°46'38" N, Longitude 68°9'26" W

Streamflow Gauge Height
Flow Rate 355 ft³/s
Stage Height 1.21 ft
Status Nominal
ID: 01015800

Aroostook River Near Masardis, Maine

Latitude 46°31'23" N, Longitude 68°22'18" W

Streamflow Gauge Height
Flow Rate 148 ft³/s
Stage Height 2.60 ft
Status Nominal
ID: 01010070

Big Black River Near Depot Mtn, Maine

Latitude 46°53'38" N, Longitude 69°45'6" W

Streamflow Gauge Height
Flow Rate 69 ft³/s
Stage Height 3.51 ft
Status Nominal
ID: 01012960

Fish River At Soldier Pond, Maine

Latitude 47°9'22" N, Longitude 68°34'28" W

Gauge Height
Stage Height 8.82 ft
Status Offline
ID: 01013500

Fish River Near Fort Kent, Maine

Latitude 47°14'15" N, Longitude 68°34'58" W

Streamflow Gauge Height
Flow Rate 364 ft³/s
Stage Height 3.44 ft
Status Nominal
ID: 01017060

Hardwood Brook Below Glidden Brk Nr Caribou, Maine

Latitude 46°47'1" N, Longitude 67°59'21" W

Streamflow Gauge Height
Flow Rate 3 ft³/s
Stage Height 1.31 ft
Status Nominal
ID: 01017290

Little Madawaska River At Caribou, Maine

Latitude 46°53'19" N, Longitude 67°56'42" W

Streamflow Gauge Height
Flow Rate 55 ft³/s
Stage Height 3.24 ft
Status Nominal
ID: 01017960

Meduxnekeag R Above S Br Medux. R Nr Houlton, ME

Latitude 46°6'18" N, Longitude 67°52'53" W

Streamflow Gauge Height
Flow Rate 9 ft³/s
Stage Height 2.35 ft
Status Nominal
ID: 01018035

Meduxnekeag River At Lowery Rd. Nr Houlton, Maine

Latitude 46°10'52" N, Longitude 67°48'14" W

Streamflow Gauge Height Quality
Flow Rate 25 ft³/s
Stage Height 1.51 ft
Status Nominal
ID: 01018000

Meduxnekeag River Near Houlton, Maine

Latitude 46°6'18" N, Longitude 67°52'0" W

Streamflow Gauge Height
Flow Rate 3,060 ft³/s
Stage Height 6.76 ft
Status Offline
ID: 01018009

Pearce Brook At Route 1 At Houlton, Maine

Latitude 46°6'55" N, Longitude 67°50'25" W

Streamflow Gauge Height
Flow Rate 0 ft³/s
Stage Height 1.62 ft
Status Nominal
ID: 01010500

St. John River At Dickey, Maine

Latitude 47°6'47" N, Longitude 69°5'17" W

Streamflow Gauge Height
Flow Rate 687 ft³/s
Stage Height 4.05 ft
Status Nominal
ID: 01010000

St. John River At Ninemile Bridge, Maine

Latitude 46°42'2" N, Longitude 69°42'56" W

Streamflow Gauge Height
Flow Rate 235 ft³/s
Stage Height 0.87 ft
Status Nominal
ID: 01014000

St. John River Below Fish R, Nr Fort Kent, Maine

Latitude 47°17'0" N, Longitude 68°35'7" W

Streamflow Gauge Height
Flow Rate 1,770 ft³/s
Stage Height 3.88 ft
Status Nominal
ID: 01017550

Williams Brook At Phair, Maine

Latitude 46°37'41" N, Longitude 67°57'11" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 1.33 ft
Status Nominal
ID: 01030350

Wytopitlock Stream Near Wytopitlock Maine

Latitude 45°42'31" N, Longitude 68°9'29" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 2.35 ft
Status Nominal

Cumberland County

9 stations

Franklin County

1 station

Hancock County

8 stations

Kennebec County

9 stations

Lincoln County

1 station

Oxford County

9 stations

Penobscot County

9 stations
ID: 01029500

East Branch Penobscot River At Grindstone, Maine

Latitude 45°43'49" N, Longitude 68°35'22" W

Streamflow Gauge Height
Flow Rate 476 ft³/s
Stage Height 4.67 ft
Status Nominal
ID: 01029100

E. Br. Penobscot River Below Grand Lake Matagamon

Latitude 46°8'4" N, Longitude 68°47'38" W

Streamflow Gauge Height Quality
Flow Rate 317 ft³/s
Stage Height 2.75 ft
Status Nominal
ID: 01037000

Kenduskeag Stream Near Bangor, Maine

Latitude 44°51'40" N, Longitude 68°49'54" W

Streamflow Gauge Height
Flow Rate 8 ft³/s
Stage Height 2.64 ft
Status Nominal
ID: 01030500

Mattawamkeag River Near Mattawamkeag, Maine

Latitude 45°30'4" N, Longitude 68°18'21" W

Streamflow Gauge Height
Flow Rate 117 ft³/s
Stage Height 3.91 ft
Status Nominal
ID: 01037050

Penobscot River At Bangor, Maine

Latitude 44°47'47" N, Longitude 68°46'4" W

Gauge Height
Stage Height 2.43 ft
Status Nominal
ID: 01036390

Penobscot River At Eddington, Maine

Latitude 44°49'36" N, Longitude 68°41'48" W

Streamflow Gauge Height Quality
Flow Rate 8,230 ft³/s
Stage Height 2.43 ft
Status Nominal
ID: 01034500

Penobscot River At West Enfield, Maine

Latitude 45°14'10" N, Longitude 68°39'5" W

Streamflow Gauge Height
Flow Rate 4,640 ft³/s
Stage Height 2.32 ft
Status Nominal
ID: 01030000

Penobscot River Near Mattawamkeag, ME

Latitude 45°33'59" N, Longitude 68°24'13" W

Streamflow
Flow Rate 4,650 ft³/s
Status Offline
ID: 01029200

Seboeis River Near Shin Pond, Maine

Latitude 46°8'35" N, Longitude 68°38'1" W

Streamflow Gauge Height
Flow Rate 14 ft³/s
Stage Height 4.28 ft
Status Nominal

Piscataquis County

6 stations

Somerset County

12 stations
ID: 01046000

Austin Stream At Bingham, Maine

Latitude 45°3'52" N, Longitude 69°52'50" W

Streamflow Gauge Height
Flow Rate 8 ft³/s
Stage Height 2.91 ft
Status Nominal
ID: 01047000

Carrabassett River Near North Anson, Maine

Latitude 44°52'9" N, Longitude 69°57'18" W

Streamflow Gauge Height
Flow Rate 85 ft³/s
Stage Height 2.75 ft
Status Nominal
ID: 01043500

Dead River Near Dead River, Maine

Latitude 45°13'45" N, Longitude 70°12'4" W

Streamflow Gauge Height
Flow Rate 310 ft³/s
Stage Height 3.62 ft
Status Nominal
ID: 01048220

East Branch Wesserunsett Stream Near Athens, Maine

Latitude 44°56'51" N, Longitude 69°39'25" W

Streamflow Gauge Height
Flow Rate 1 ft³/s
Stage Height 2.28 ft
Status Nominal
ID: 01046500

Kennebec River At Bingham, Maine

Latitude 45°3'7" N, Longitude 69°53'8" W

Streamflow Gauge Height
Flow Rate 1,580 ft³/s
Stage Height 7.32 ft
Status Nominal
ID: 01042500

Kennebec River At The Forks, Maine

Latitude 45°20'23" N, Longitude 69°57'43" W

Streamflow Gauge Height
Flow Rate 452 ft³/s
Stage Height 1.93 ft
Status Nominal
ID: 01047150

Kennebec River Near Madison, Maine

Latitude 44°46'44" N, Longitude 69°53'13" W

Streamflow Gauge Height
Flow Rate 1,740 ft³/s
Stage Height 3.19 ft
Status Nominal
ID: 01027200

North Branch Penobscot River Nr Pittston Farm, ME

Latitude 45°56'7" N, Longitude 69°59'37" W

Streamflow Gauge Height
Flow Rate 35 ft³/s
Stage Height 3.78 ft
Status Nominal
ID: 01048000

Sandy River Near Mercer, Maine

Latitude 44°42'29" N, Longitude 69°56'15" W

Streamflow Gauge Height
Flow Rate 111 ft³/s
Stage Height 2.84 ft
Status Nominal
ID: 01027240

S. Br. Penobscot River Nr Canada Falls Lake, Maine

Latitude 45°52'26" N, Longitude 69°59'42" W

Streamflow Gauge Height
Flow Rate 83 ft³/s
Stage Height 3.20 ft
Status Nominal
ID: 01049000

Sebasticook River Near Pittsfield, Maine

Latitude 44°43'0" N, Longitude 69°24'50" W

Streamflow Gauge Height
Flow Rate 594 ft³/s
Stage Height 3.17 ft
Status Offline
ID: 01044550

Spencer Stream Near Grand Falls, Maine

Latitude 45°18'49" N, Longitude 70°14'30" W

Streamflow Gauge Height
Flow Rate 38 ft³/s
Stage Height 2.38 ft
Status Nominal

Waldo County

3 stations

Washington County

18 stations
ID: 01021230

Cathance Stream At Edmunds, Maine

Latitude 44°53'13" N, Longitude 67°16'1" W

Streamflow
Flow Rate 5 ft³/s
Status Offline
ID: 01021200

Dennys River At Dennysville, Maine

Latitude 44°54'5" N, Longitude 67°14'51" W

Streamflow Gauge Height
Flow Rate 1,010 ft³/s
Stage Height 4.33 ft
Status Offline
ID: 01019000

Grand Lake Stream At Grand Lake Stream, Maine

Latitude 45°10'21" N, Longitude 67°46'8" W

Streamflow Gauge Height
Flow Rate 332 ft³/s
Stage Height 2.47 ft
Status Nominal
ID: 01019300

Lewy Lake At Princeton, Maine

Latitude 45°13'32" N, Longitude 67°34'37" W

Gauge Height Quality
Stage Height 201.53 ft
Water Temp
Status Nominal
ID: 01021470

Libby Brook Near Northfield, Maine

Latitude 44°48'3" N, Longitude 67°43'30" W

Streamflow Gauge Height
Flow Rate 4 ft³/s
Stage Height 1.54 ft
Status Nominal
ID: 01021500

Machias River At Whitneyville, Maine

Latitude 44°43'23" N, Longitude 67°31'14" W

Streamflow
Flow Rate 4,640 ft³/s
Status Offline
ID: 01021452

Mopang Stream Near Beddington Me

Latitude 44°52'16" N, Longitude 67°56'29" W

Streamflow
Flow Rate 10 ft³/s
Status Offline
ID: 01022500

Narraguagus River At Cherryfield, Maine

Latitude 44°36'29" N, Longitude 67°56'7" W

Streamflow Gauge Height Quality
Flow Rate 43 ft³/s
Stage Height 7.24 ft
Status Nominal
ID: 01022330

Narraguagus River At Deblois, Maine

Latitude 44°44'27" N, Longitude 68°0'48" W

Streamflow
Flow Rate 905 ft³/s
Status Offline
ID: 01021480

Old Stream Near Wesley, Maine

Latitude 44°56'13" N, Longitude 67°44'10" W

Streamflow Gauge Height
Flow Rate 6 ft³/s
Stage Height 3.69 ft
Status Nominal
ID: 01022210

Pleasant River Above Colonel Brk Nr Crebo Flat, ME

Latitude 44°46'57" N, Longitude 67°55'23" W

Streamflow
Flow Rate 10 ft³/s
Status Offline
ID: 01022220

Pleasant River Near Crebo Flat, Maine

Latitude 44°46'8" N, Longitude 67°55'24" W

Streamflow
Flow Rate 12 ft³/s
Status Offline
ID: 01022260

Pleasant River Near Epping, Maine

Latitude 44°41'52" N, Longitude 67°47'14" W

Streamflow
Flow Rate 439 ft³/s
Status Offline
ID: 01021000

St. Croix River At Baring, Maine

Latitude 45°8'13" N, Longitude 67°19'5" W

Streamflow Gauge Height
Flow Rate 789 ft³/s
Stage Height 4.50 ft
Status Nominal
ID: 01021060

St. Croix River At Calais, Maine

Latitude 45°11'30" N, Longitude 67°17'0" W

Gauge Height
Stage Height 13.39 ft
Status Offline
ID: 01021050

St. Croix River At Milltown, Maine

Latitude 45°10'12" N, Longitude 67°17'48" W

Quality
Water Temp
Status Nominal
ID: 01018500

St. Croix River At Vanceboro, Maine

Latitude 45°34'6" N, Longitude 67°25'42" W

Streamflow Gauge Height
Flow Rate 636 ft³/s
Stage Height 4.91 ft
Status Nominal
ID: 01018900

West Grand Lake At Grand Lake Stream, Maine

Latitude 45°10'52" N, Longitude 67°46'41" W

Gauge Height Quality
Stage Height 297.84 ft
Water Temp
Status Nominal

York County

7 stations