Skip to main content
U.S. flag

An official website of the United States government

How much water was used in Maine in 2015?

Maine water use in 2015.

In 2015, approximately 509 million gallons per day (Mgal/d) of water was withdrawn from groundwater and surface-water sources in Maine. Total water withdrawals between 1990 and 2015 are on steady decline (-55 percent).

  • Surface water withdrawals totaled  424 Mgal/d (83 % of total) 
  • Groundwater withdrawals totaled 85 Mgal/d (17 % of total)
  • Freshwater withdrawals were 385 Mgal/d (76 %  of total)
  • Saline water withdrawals were 124 Mgal/d (24 % of total)

Maine Total Water Withdrawals in 2015 by Category (Values in Mgal/day)

  • Industrial—225
  • Thermoelectric—86
  • Public Supply—85
  • Aquaculture—54
  • Domestic—32
  • Irrigation—19
  • Mining—6
  • Livestock—2
Maine Total Water Use by category in 2015
Maine Total Water Use by category in 2015 

Maine Public Water Supply Withdrawals in 2015 by County

ME County Groundwater (Mgal/d) Surface Water (Mgal/d) Total (Mgal/d)
Androscoggin 0.8 7.12 7.92
Aroostook 3.37 0.74 4.11
Cumberland 4.3 21.05 25.35
Franklin 0.74 0.62 1.36
Hancock 0.29 6.4 6.69
Kennebec 3.4 2.75 6.15
Knox 0.17 2.85 3.02
Lincoln 0.11 0.62 0.73
Oxford 2.75 0.1 2.85
Penobscot 3.1 1.69 4.79
Piscataquis 0.5 0.38 0.88
Sagadahoc 0.26 1.15 1.41
Somerset 0.79 1.03 1.82
Waldo 0.99   0.99
Washington 1.38 0.19 1.57
York 4.51 10.82 15.33
Total 27.46 57.51 84.97

Related Content