Chatham Water and Sewer Commission - Wastewater Treatment Plant, Cape Cod, Massachusetts

The Chatham Water and Sewer Commission is a municipal wastewater treatment facility located at 59 Sam Ryder Road in Chatham, Massachusetts, on Cape Cod. It serves a population of approximately 6,452 residents, making it a small to medium-sized plant in the region. The facility is situated in a coastal environment, within 50 kilometers of the Atlantic Ocean, and plays a key role in protecting the sensitive ecosystems of Cape Cod. As a US-based plant, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Massachusetts Department of Environmental Protection. For a community of this size, secondary treatment is typically required, and the plant's designed capacity is 1.00 million gallons per day. The facility's treatment processes and operational status are consistent with standard municipal practices for the region. The plant discharges treated effluent into local water bodies that ultimately drain to the Atlantic Ocean. Cape Cod's coastal waters are ecologically sensitive, supporting diverse marine life, including shellfish beds and migratory fish. The plant's operations are critical to maintaining water quality in the region's estuaries and coastal habitats, which are vulnerable to nutrient pollution from wastewater.

The plant discharges into local streams and groundwater that flow into Cape Cod Bay and the Atlantic Ocean. Cape Cod's coastal waters are ecologically sensitive, supporting shellfish beds, eelgrass meadows, and migratory fish species. Nutrient loading from wastewater is a key concern in this region, and the plant's treatment performance directly affects the health of these downstream ecosystems.