Overview
SHEPHERD WWSL is a secondary wastewater treatment plant in Coe Township, Michigan, serving 1,381 people with a designed capacity of 757.08 m³/day.
SHEPHERD WWSL is a municipal wastewater treatment plant located in Coe Township, Isabella County, Michigan, United States. The facility serves a population of approximately 1,381 residents and operates with a designed capacity of 757.08 m³/day, discharging an average volume of 529.96 m³/day. The plant provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for municipal wastewater facilities. As a smaller agglomeration, it meets the national regulatory expectations for organic matter and suspended solids removal before discharge. The treated effluent is discharged into a local water body within the Saginaw River watershed, which ultimately drains into Saginaw Bay and Lake Huron. This contributes to the overall water quality management of the Great Lakes ecosystem, supporting aquatic life and recreational uses downstream.
Environmental context
The plant discharges into a tributary of the Saginaw River, which flows into Saginaw Bay, a shallow, nutrient-rich embayment of Lake Huron. The watershed supports diverse aquatic habitats, including wetlands and fish spawning areas, and is sensitive to nutrient loading from wastewater discharges. The Great Lakes system provides drinking water and recreational opportunities for millions of people.
Frequently asked questions
SHEPHERD WWSL is located in Coe Township, Isabella County, Michigan, United States, near the community of Miller.
The plant serves a population of approximately 1,381 people.
SHEPHERD WWSL provides secondary treatment, which is the standard required by the U.S. Clean Water Act for municipal wastewater.
The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for municipal facilities. Discharge permits are typically issued by the Michigan Department of Environment, Great Lakes, and Energy (EGLE) under the National Pollutant Discharge Elimination System (NPDES).
The plant has a designed capacity of 757.08 m³/day and currently discharges an average of 529.96 m³/day.
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