Overview
Lawrence T STP and On Site Sys is a secondary treatment plant serving 400 people in North Lawrence, New York. It discharges 56.78 units of treated wastewater daily, with a designed capacity of 200.63 units.
Lawrence T STP and On Site Sys is a municipal wastewater treatment facility located in North Lawrence, a hamlet in Saint Lawrence County, New York. The plant serves a small population of 400 residents, reflecting its role in a rural community within the state's North Country region. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. Under the U.S. Clean Water Act, secondary treatment is the minimum requirement for municipal plants, and the National Pollutant Discharge Elimination System (NPDES) permit program governs its discharge. The plant's designed capacity is 200.63 units, with a current discharge volume of 56.78 units, indicating operational headroom. The treated effluent is discharged into a local waterway that ultimately drains into the St. Lawrence River via the St. Lawrence River watershed. The St. Lawrence River is a major waterway connecting the Great Lakes to the Atlantic Ocean, supporting diverse aquatic life and serving as a critical migratory corridor for fish species. The plant's operations help protect downstream water quality in this ecologically significant basin.
Environmental context
The plant discharges into a tributary of the St. Lawrence River, which flows from Lake Ontario to the Gulf of St. Lawrence and the Atlantic Ocean. The St. Lawrence River watershed supports a variety of fish, including lake sturgeon and American eel, and provides habitat for migratory birds. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting the river's ecological health.
Frequently asked questions
The plant is located in North Lawrence, a hamlet in the Town of Lawrence, Saint Lawrence County, New York, United States.
The plant serves a population of 400 residents, typical of a small rural community in northern New York.
The plant provides secondary treatment, which uses biological processes to remove organic matter and suspended solids from wastewater.
As a municipal wastewater plant in the U.S., it operates under the Clean Water Act and must comply with an NPDES permit issued by the state or EPA, which sets limits on pollutant discharges.
For small communities, secondary treatment is the standard requirement under the Clean Water Act. Many such plants use lagoons or package treatment systems, though specific processes vary.
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