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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.

Hydrological Unit: St. Croix

HUC Name
0105000101 Upper Chiputneticook Lakes
0105000102 Lower Chiputneticook Lakes
0105000103 Grand Lake Stream
0105000104 Big Musquash Stream
0105000105 Tomah Stream
0105000106 Big Lake-Grand Falls Flowage
0105000107 Upper Saint Croix River
0105000108 Lower Saint Croix River
Monitoring Locations
Site number Name Site type
01018200 Eastern Grand Lake(Chiputneticook)at Forest cty ME Lake, Reservoir, Impoundment
01018300 Forest City Stream below dam at Forest City, Maine Stream
01018400 Spednik Lake at Vanceboro, ME Lake, Reservoir, Impoundment
01018500 St. Croix River at Vanceboro, Maine Stream
01018800 Sysladobsis Lake near Grand Lake Stream, ME Lake, Reservoir, Impoundment
01018900 West Grand Lake at Grand Lake Stream, Maine Lake, Reservoir, Impoundment
01019000 Grand Lake Stream at Grand Lake Stream, Maine Stream
01019100 Clifford Lake near Grand Lake Stream, ME Lake, Reservoir, Impoundment
01019200 West Musquash Lake nr Topsfield, ME Lake, Reservoir, Impoundment
01019300 Lewy Lake at Princeton, Maine Lake, Reservoir, Impoundment
01019500 WEST BRANCH ST. CROIX RIVER AT BAILEYVILLE, ME Stream
01019600 Tomah Lake nr Forest ME Lake, Reservoir, Impoundment
01019900 Grand Falls Flowage near Baileyville, ME Stream
01019997 St. Croix River at Woodland, Maine Stream
01020000 ST. CROIX RIVER NEAR BAILEYVILLE, ME Stream
01020500 ST. CROIX RIVER AT SPRAGUES FALLS, NR BARING, ME Stream
01021000 St. Croix River at Baring, Maine Stream
01021050 St. Croix River at Milltown, Maine Stream
01021051 ST. CROIX RIVER AT MILLTOWN, ME (SITE 2) Stream
01021060 St. Croix River at Calais, Maine Tidal stream
450148067214401 WW 920 Well
450410067163301 WW 919 Well
450634067194201 Baring Snow Site (1152-023) Atmosphere
450713067162801 ME-WW796 Calais, Maine Well
450909067231401 ST CROIX RIVER A Stream
451024067460001 GRAND LAKE STREAM SNOW SITE (1140-024) Atmosphere
451117067160501 ST CROIX RIVER B Stream
451137067281101 BAILEYVILLE SNOW SITE (1019-022) Atmosphere
451403067344401 GRAND FALLS FLOWAGE Stream
452623067442901 Topsfield Snow Site (1154-025) Atmosphere
453242067284801 VANCEBORO SNOW SITE (1141-026) Atmosphere
453405067254501 Vanceboro Precipitation at Vanceboro, Maine Atmosphere
453526067443600 TOMAH LAKE NEAR FOREST, ME 0135 Lake, Reservoir, Impoundment
453648067415900 EASTERN GRAND LAKE AT FOREST CITY ME A 1070 Lake, Reservoir, Impoundment
453936067472300 EASTERN GRAND LAKE AT FOREST CITY ME B 1070 Lake, Reservoir, Impoundment
454045067482100 EASTERN GRAND LAKE AT FOREST CITY, ME 1070 Lake, Reservoir, Impoundment
454138067502500 EASTERN GRAND LAKE AT FOREST CITY ME C 1070 Lake, Reservoir, Impoundment
454252067512000 EASTERN GRAND LAKE AT FOREST CITY, ME 'H' 1070 Lake, Reservoir, Impoundment
454334067512500 EASTERN GRAND LAKE AT FOREST CITY ME D 1070 Lake, Reservoir, Impoundment
454449067472800 EASTERN GRAND LAKE AT FOREST CITY ME 1070 Lake, Reservoir, Impoundment
454654067491400 EASTERN GRAND LAKE AT FOREST CITY ME E 1070 Lake, Reservoir, Impoundment
454829067490300 EASTERN GRAND LAKE AT FOREST CITY ME F 1070 Lake, Reservoir, Impoundment
454859067465200 EASTERN GRAND LAKE AT FOREST CITY ME G 1070 Lake, Reservoir, Impoundment