Wastewater plants in New Hampshire

88 plants indexed.

88 plants

Epping WWTF

Epping, New Hampshire

Epping WWTF is an advanced wastewater treatment facility in Epping, New Hampshire, serving a population of 1,860. It discharges treated water into local waterways, supporting the Piscataqua River watershed and the Gulf of Maine ecosystem.

Advanced 1,860

Warner WWTF

Warner, New Hampshire

Warner WWTF is a secondary treatment plant serving 600 residents in Warner, New Hampshire. It discharges 283.91 cubic meters of treated wastewater daily, with a designed capacity of 416.39 cubic meters.

Secondary 600

Pittsfield WWTF

Pittsfield, New Hampshire

Pittsfield WWTF is a secondary treatment plant in Pittsfield, New Hampshire, serving approximately 1,480 residents. It discharges treated wastewater into local waterways, supporting the region's environmental health.

Secondary 1,480

Newbury WWTF

Newbury, New Hampshire

Newbury WWTF is an advanced treatment plant in Newbury, New Hampshire, serving a small population of 280. It discharges 75.71 units of treated wastewater daily, with a designed capacity of 189.27 units.

Advanced 280

Hopkinton WWTF

Hopkinton, New Hampshire

Hopkinton WWTF is a secondary treatment plant serving 600 people in Hopkinton, New Hampshire. It discharges 189.27 cubic meters of treated wastewater daily, with a designed capacity of 454.25 cubic meters.

Secondary 600

Henniker WWTF

Henniker, New Hampshire

Henniker WWTF is a secondary treatment plant in Henniker, New Hampshire, serving approximately 2,868 people. It discharges 810.08 thousand gallons per day into the Contoocook River watershed.

Secondary 2,868

Greenville WWTF

Greenville, New Hampshire

Greenville WWTF is a secondary treatment plant serving 1,130 people in Greenville, New Hampshire. It discharges 567.81 million gallons per year and operates under US EPA NPDES regulations.

Secondary 1,130

Antrim WWTF

Antrim, New Hampshire

Antrim WWTF is a secondary treatment plant serving 1,052 people in Antrim, New Hampshire. It discharges treated wastewater into local waterways, supporting the Contoocook River watershed.

Secondary 1,052

Woodstock WWTF

Woodstock, New Hampshire

Woodstock WWTF is a secondary treatment plant serving 2,513 people in Woodstock, New Hampshire. It discharges 492.10 million gallons per year and has a designed capacity of 1,287.04 million gallons per year.

Secondary 2,513

Waterville Valley WWTF

Waterville Valley, New Hampshire

Waterville Valley WWTF is an advanced treatment plant serving 3,675 people in Waterville Valley, New Hampshire. It discharges 639.74 million gallons per year and operates under US Clean Water Act regulations.

Advanced 3,675

Lisbon WWTF

Lisbon, New Hampshire

Lisbon WWTF is a secondary treatment plant serving 1,638 people in Lisbon, New Hampshire. It discharges treated wastewater into local waterways, operating under US EPA and state regulations.

Secondary 1,638

Woodsville WWTF

Haverhill, New Hampshire

Woodsville WWTF is a secondary treatment plant in Haverhill, New Hampshire, serving about 2,500 residents. It discharges treated wastewater into the local watershed, supporting downstream water quality.

Secondary 2,498

Canaan WWTF

Canaan, New Hampshire

Canaan WWTF is a secondary treatment plant serving 437 people in Canaan, New Hampshire. It discharges treated wastewater into local waterways, operating under U.S. EPA and state regulations.

Secondary 437

Bristol WWTF

Bristol, New Hampshire

Bristol WWTF is a secondary treatment plant serving about 9,000 people in Bristol, New Hampshire. It discharges treated wastewater into local waterways, supporting the Pemigewasset River watershed.

Secondary 9,000

Bethlehem WWTF

Bethlehem, New Hampshire

Bethlehem WWTF is a secondary treatment plant serving 2,819 people in Bethlehem, New Hampshire. It discharges 794.94 units of treated wastewater daily, with a designed capacity of 1,287.04 units.

Secondary 2,819

Ashland WWTF

Ashland, New Hampshire

Ashland WWTF is a secondary treatment plant serving 1,350 people in Ashland, New Hampshire. It discharges 908.50 units of treated wastewater daily, with a designed capacity of 6,056.64 units.

Secondary 1,350

Whitefield WWTF

Whitefield, New Hampshire

Whitefield WWTF is a secondary treatment plant serving 1,050 people in Whitefield, New Hampshire. It discharges 458.04 million gallons per year and operates under US EPA NPDES regulations.

Secondary 1,050

Stratford Millhouse WWTF

Columbia, New Hampshire

Stratford Millhouse WWTF is a secondary treatment plant in Columbia, New Hampshire, serving 168 people. It discharges treated wastewater into local waterways, supporting the Connecticut River watershed.

Secondary 168

Stratford Village WWTF

North Stratford, New Hampshire

Stratford Village WWTF is a secondary wastewater treatment plant in North Stratford, New Hampshire, serving 390 people. It discharges 79.49 million gallons per year and has a designed capacity of 170.34 million gallons.

Secondary 390

Northumberland Village WWTF

Northumberland, New Hampshire

Northumberland Village WWTF is a secondary treatment plant in Northumberland, New Hampshire, serving a small population of 271. It discharges treated wastewater into the local watershed, supporting the Upper Connecticut River basin.

Secondary 271

Frequently asked

How many wastewater treatment plants are in New Hampshire?

UtilityRadar indexes 88 wastewater treatment plants in New Hampshire, with treatment level, capacity, operator and discharge data on each record.

What is the largest wastewater treatment plant in New Hampshire?

Among the indexed plants, Ashland WWTF has the highest designed capacity at 6,057 m3/day.

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