Wastewater plants in United States

14,814 plants indexed. Showing 6,378 matching current filters.

6,378 plants matching filters

Peterborough WWTF

Peterborough, New Hampshire

Peterborough WWTF serves approximately 3,967 residents in Peterborough, New Hampshire. The facility discharges treated wastewater into local waterways under the U.S. Clean Water Act framework.

Not Reported 3,967

Nashua WWTF

Nashua, New Hampshire

Nashua WWTF serves over 100,000 residents in Nashua, New Hampshire, as a key municipal wastewater facility. It operates under the US Clean Water Act, discharging treated effluent into the Merrimack River watershed.

Not Reported 100,247

Milford WWTF

Milford, New Hampshire

Milford WWTF serves approximately 12,300 residents in Milford, New Hampshire. The plant operates under the US Clean Water Act, discharging treated wastewater into the local watershed.

Not Reported 12,307

Merrimack WWTF

Merrimack, New Hampshire

Merrimack WWTF serves approximately 17,725 people in Merrimack, New Hampshire. The plant operates under the US Clean Water Act, discharging treated wastewater into the local watershed.

Not Reported 17,725

Manchester WWTF

Manchester, New Hampshire

Manchester WWTF serves approximately 94,000 residents in Manchester, New Hampshire. The plant discharges treated wastewater into the Merrimack River, which flows to the Atlantic Ocean.

Not Reported 94,024

Hillsborough WWTF

Hillsborough, New Hampshire

Hillsborough WWTF serves approximately 3,200 residents in Hillsborough, New Hampshire. The facility operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater plants of this scale.

Not Reported 3,200

Plymouth WWTF

Plymouth, New Hampshire

Plymouth WWTF serves approximately 12,561 residents in Plymouth, New Hampshire. The plant operates under the US Clean Water Act's NPDES permit program, discharging treated wastewater to local waterways.

Not Reported 12,561

Littleton WWTF

Littleton, New Hampshire

Littleton WWTF serves approximately 3,726 residents in Littleton, New Hampshire. The plant discharges treated wastewater into the Ammonoosuc River watershed, part of the Connecticut River basin.

Not Reported 3,726

Lincoln WWTF

Lincoln, New Hampshire

Lincoln WWTF serves approximately 2,953 residents in Lincoln, New Hampshire. The plant discharges treated wastewater into the local watershed, contributing to the Pemigewasset River basin.

Not Reported 2,953

Lebanon WWTF

Lebanon, New Hampshire

Lebanon WWTF serves approximately 28,000 residents in Lebanon, New Hampshire. The plant discharges treated wastewater into the Connecticut River watershed, supporting local water quality.

Not Reported 28,017

Hanover WWTF

Hanover, New Hampshire

Hanover WWTF serves approximately 13,581 residents in Hanover, New Hampshire. The plant operates under the US Clean Water Act, ensuring treated wastewater meets federal standards before discharge.

Not Reported 13,581

Lancaster WWTF

Lancaster, New Hampshire

Lancaster WWTF serves 3,310 residents in Lancaster, New Hampshire. The plant discharges treated wastewater into the Upper Connecticut River watershed, ultimately draining to the Gulf of Maine.

Not Reported 3,310

Berlin WWTF

Berlin, New Hampshire

Berlin WWTF serves approximately 10,351 residents in Berlin, New Hampshire. The plant discharges treated wastewater into the local watershed, contributing to the Androscoggin River basin.

Not Reported 10,351

Jaffrey WWTF

Jaffrey, New Hampshire

Jaffrey WWTF is a municipal wastewater treatment plant serving 2,260 people in Jaffrey, New Hampshire, United States. It operates under the US Clean Water Act framework.

Not Reported 2,260

Hinsdale WWTF

Hinsdale, New Hampshire

Hinsdale WWTF serves the town of Hinsdale, New Hampshire, treating wastewater from a population of approximately 3,062. The plant discharges into the Connecticut River watershed, supporting local water quality and downstream ecosystems.

Not Reported 3,062

Wolfeboro WWTF

Wolfeboro, New Hampshire

Wolfeboro WWTF serves 2,600 residents in Wolfeboro, New Hampshire. The plant discharges treated wastewater into the local watershed, contributing to the protection of Lake Winnipesaukee and downstream water bodies.

Not Reported 2,600

North Conway WWTF

Conway, New Hampshire

North Conway WWTF serves Conway, New Hampshire, treating wastewater for approximately 5,900 residents. The plant discharges into the Saco River watershed, which flows to the Gulf of Maine.

Not Reported 5,904

Laughlin WRF

Laughlin, Nevada

Laughlin WRF is a municipal wastewater treatment plant serving 8,300 residents in Laughlin, Nevada. The facility discharges treated effluent into the Colorado River system, supporting downstream water quality in the Lower Colorado Basin.

Not Reported 8,300

Clark County Water Rec Dist AWT

Las Vegas, Nevada

Clark County Water Rec Dist AWT is a major wastewater treatment plant in Las Vegas, Nevada, serving approximately 964,400 people. It operates under the US Clean Water Act and EPA NPDES permit program.

Not Reported 964,400

Douglas County North Valley WWTP

Douglas County, Nevada

Douglas County North Valley WWTP serves 5,880 people in Nevada, USA. The plant discharges treated wastewater into the local watershed, supporting water quality in the region.

Not Reported 5,880

Frequently asked

How many wastewater treatment plants are in United States?

UtilityRadar indexes 14814 wastewater treatment plants in United States, with treatment level, capacity, operator and discharge data on each record.

Who operates wastewater treatment in United States?

Among the plants on this page, the most-referenced operator is Clark County Water Reclamation District. UtilityRadar's records show 1 plant linked to this operator.

What is the largest wastewater treatment plant in United States?

Among the indexed plants, Clark County Water Rec Dist AWT has the highest designed capacity at 1 m3/day.

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