Bristol WWTF - Secondary Wastewater Treatment Plant in Bristol, New Hampshire

Bristol WWTF is a municipal wastewater treatment facility located in Bristol, New Hampshire, serving approximately 9,000 residents. The plant provides secondary treatment, a standard level for communities of this size in the United States, ensuring compliance with Clean Water Act requirements. With a designed capacity of 1,892.70 megaliters per year and an average discharge volume of 794.94 megaliters per year, the plant operates well within its capacity. As a secondary treatment facility, it uses biological processes to reduce organic matter and suspended solids before discharge. The plant's treated effluent enters local streams that flow into the Pemigewasset River, a major tributary of the Merrimack River. This watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant's operation helps protect water quality in this ecologically important river system.

Bristol WWTF discharges into local waterways that drain into the Pemigewasset River, which flows south to join the Merrimack River and eventually reaches the Atlantic Ocean. The Pemigewasset River watershed supports cold-water fisheries, including brook trout, and provides habitat for various aquatic species. The plant's secondary treatment helps maintain water quality in this sensitive river ecosystem.