Aerial view of the Warren, Maine lagoon system. Photo courtesy of Woodard and Curran.

Lagoon Systems In Maine 

Systems In Maine

An Informational Resource for
Operators of Lagoon Systems

Mars Hill Wastewater Lagoon System - Mars Hill  Maine. Photo Courtesy of Wright-Pierce Engineers.
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Design & Operation
Lagoon Aeration
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Lagoons In Maine
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Lagoon Biology

2003 Maine Wastewater Salary Survey as conducted by the Maine Wastewater Control Association

2003 Maine Wastewater Rate Survey conducted by the Maine Rural Water Association

Maine DEP Monthly
O & M Newsletter

Maine and WEF's
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Penobscot Watershed and Development of a TMDL 

EPA Binational Toxics

Maine Rural Water

Maine Wastewater
Operator Certification

Maine Is Technology

Maine Wastewater Control Association

Maine WasteWater Control Association

Wastewater Engineering



Caribou Utilities District

Caribou Utilities District

Lagoon Specifications

Caribou, Maine

Lagoons No.1 No. 2 No. 3
Volume 18 MG 10 MG 10 MG
Aeration Fine Bubble Fine Bubble Fine Bubble
Lagoon Dimensions 729'l x 201'w 345'l x 345'w 220'w x 345'l
Lagoon Acreage 3.36 acres 2.73 acres 1.74 acres
Number of Aerators 144 36 18

Facility has (3) 60 horsepower and (2) 100 horsepower blowers. Lagoon area is 7.83 acres or 341,074 sq. ft. Aeration system manufacturer is Air-Aqua. Lagoon No.1 has (7) 3 horsepower mixers tied to a cable system along the lagoon sidewalls to push sludge off the sidewalls and back into the center of the lagoon.


System Information


Design Flow 1.41 MGD
Actual Flow 0.5 to 3.5 MGD
Discharge To Aroostook River
Year Built 1983 Upgrade 1995
Design Engineers James Sewall Co. Upgrade: Woodard and Curran
Septage Received No
Collector System 45 miles gravity sewer, 600 manholes,  14 pump stations
Staff Size 2 Full Time
Number of Users 2,000 services plus potato processor
Billing Software Gemini
Comments Has 2 reed type beds for sludge treatment


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