Below is an excerpt from the EPA website.

The city's treatment plant, which discharges to the Salisbury Plain River, has consistently failed to meet pollution discharge limits in its federal permit over the last decade. Inspections by EPA and the Massachusetts Department of Environmental Protection (DEP) and the plant's own reports document equipment failures, operator errors, chemical feed problems and chronic bypassing of treatment equipment at the plant. This has led to excessive discharges of sewage solids, bacteria, ammonia and chlorine into the river, which flows to the Matfield River which downstream becomes the Taunton River.

Full text from EPA website

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More Sewer Plant info

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Salisbury Plain River West Bridgewater Massachusetts July 15 2003

That's a ten foot Kayak