Lincoln, Maine

Lincoln Sanitary District
The Lincoln Sanitary District is a quasi-municipal utility located in Lincoln, Maine. The District provides the community with wastewater treatment of domestic sewerage to the citizens of Lincoln, Maine.

Operations - Lincoln Sanitary District
The wastewater treatment at the Lincoln Sanitary District facility consists of a dual train, two stage, rotating biological contactor (RBC) process with primary and secondary settling, influent screening, aerated grit removal, chlorine gas disinfection and discharge to the Penobscot River.

Process Problems at the Lincoln Treatment Plant
Process Problems - Lincoln Treatment Plant - The District faced 4 difficult problems during the early years of operations: Biosolids Disposal, Composting Odors, Excessive Weight on RBC Shafts, and CSO discharges.

Flows and Loads
Wastewater flows and loads of the original Lincoln wastewater treatment plant as designed by Anderson - Nichols & Company, Inc., included all of the existing processes, except for the primary clarifiers and wet weather grit removal system.

Biosolids Utilization
All biosolids composted at the facility come from the Lincoln Sanitary District's wastewater treatment plant.

Facility Plan
The District has engaged an engineering firm to evaluate and develop a facility plan. The recommended facility plan for the Lincoln Sanitary District has been broken into three different phases.

Environmental Protection Agency - CSO Award
In 2002 the Lincoln Sanitary District received a 1st place award from the Environmental Protection Agency for Combined Sewer Overflow Management.

Lincoln Sanitary District Staff
We want you to understand the efforts the staff at the Lincoln Sanitary District make to continually improve the wastewater treatment process and protect our states valuable water resources.

Useful Resource Links from the Lincoln Sanitary District