Overview
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.
Littleton WWTF is a municipal wastewater treatment facility located in Littleton, New Hampshire, serving a population of about 3,726. The plant is situated in Grafton County and operates under the regulatory framework of the U.S. Clean Water Act, which requires NPDES permits for discharges to surface waters. As a small-scale facility, Littleton WWTF is expected to provide at least secondary treatment under federal standards. Typical plants of this size in New Hampshire employ conventional activated sludge or lagoon systems to meet permit limits. The plant's treated effluent is discharged to a receiving water body within the Ammonoosuc River watershed, which flows into the Connecticut River and eventually Long Island Sound. This waterway supports diverse aquatic life and is used for recreation, making effective treatment essential for protecting downstream ecosystems.
Environmental context
The treated effluent from Littleton WWTF enters the Ammonoosuc River, a tributary of the Connecticut River. The Connecticut River flows southward through New England and empties into Long Island Sound, an ecologically productive estuary. The watershed supports coldwater fisheries, including trout species, and provides habitat for migratory birds. Maintaining low nutrient and pathogen levels is critical to prevent eutrophication and protect recreational uses.
Frequently asked questions
Littleton WWTF is located at 296 Meadow Street in Littleton, Grafton County, New Hampshire, United States.
The plant serves approximately 3,726 residents in the Littleton area.
The plant discharges treated effluent into a receiving water body within the Ammonoosuc River watershed, which flows into the Connecticut River and eventually Long Island Sound.
As a U.S. facility, Littleton WWTF operates under the Clean Water Act and must comply with an NPDES permit issued by the New Hampshire Department of Environmental Services, which sets limits on pollutants to protect water quality.
Plants of this size in New Hampshire typically use secondary treatment processes such as activated sludge or aerated lagoons to meet federal and state effluent standards before discharge.
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