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In 2015, approximately 935 million gallons per day (Mgal/d) of water was withdrawn from groundwater and surface-water sources in New Hampshire.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
Media

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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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New England Water Use
Background The U.S. Geological Survey has compiled the Nation's water-use data at the county, State, and national levels every 5 years between 1950 and 2015. A summary for New England is presented on this web page. Water use estimates for 2000 through 2020 are now available for the three largest categories of use in the United States: self-supplied thermoelectric power generation, self-supplied...
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New England Water Use
Background The U.S. Geological Survey has compiled the Nation's water-use data at the county, State, and national levels every 5 years between 1950 and 2015. A summary for New England is presented on this web page. Water use estimates for 2000 through 2020 are now available for the three largest categories of use in the United States: self-supplied thermoelectric power generation, self-supplied...