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How much water was used in New Hampshire in 2015?

New Hampshire water use in 2015.

In 2015, approximately 935 million gallons per day (Mgal/d) of water was withdrawn from groundwater and surface-water sources in New Hampshire. Total water withdrawals between 1990 and 2015 are on steady decline (-29 percent).

  • Surface water withdrawals totaled  855 Mgal/d (91 % of total) 
  • Groundwater withdrawals totaled 80 Mgal/d (9 % of total)
  • Freshwater withdrawals were 242 Mgal/d (26 % of total)
  • Saline water withdrawals were 693 Mgal/d (74 % of total)

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

  • Thermoelectric—768
  • Public Supply—95
  • Domestic—30
  • Aquaculture—17
  • Industrial—13
  • Mining—6
  • Irrigation—5
  • Livestock—1
New Hampshire Total Water Use by category in 2015
New Hampshire Total Water Use by category in 2015 

New Hampshire Public Water Supply Withdrawals in 2015 by County

NH County Groundwater (Mgal/d) Surface Water (Mgal/d) Total (Mgal/d)
       
Belknap 1.35 1.77 3.12
Carroll 2.76 0.69 3.45
Cheshire 2.49 1.63 4.12
Coos 1.53 2.67 4.2
Grafton 2.82 4.75 7.57
Hillsborough 6.93 31.81 38.74
Merrimack 3.53 4.73 8.26
Rockingham 9.35 6 15.35
Strafford 3.74 4.26 8
Sullivan 0.92 1.79 2.71
Total 35.42 60.1 95.52

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