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Wastewater Treatment Plant

Learn More About the Wastewater Treatment Plant, it's History, Operations and the People who make it happen.

In October of 1972, the United States Congress passed amendments to the Water Pollution Control Act which required communities to upgrade wastewater treatment facilities.  The City of Niles received approval to upgrade their wastewater treatment plant, separate some of the City’s combined sewer systems, and construct a new interceptor sewer.  Sewer separation work was started in 1976 and substantially completed by the end of 1978.  Construction of the wastewater treatment plant was completed in the summer of 1979.  The total cost of this upgrade was approximately $33,200,000 with this cost being shared between the United States Environmental Protection Agency and the City of Niles.  The City’s $5,200,000 cost was financed through a 20 year bond that was paid off in 1998.

The City has a wastewater treatment plant with an average capacity of 5.8 million gallons per day, of which the City and Townships use approximately 3.0 million gallons.  This gives the City a reserve capacity of 2.0 million gallons per day.  In addition, the City is aggressively involved in a CSO program to separate portions of its combined sewer system.  During the summer of 2004, the entire downtown area was separated at a cost of $750,000. 

It is now more than 30 years later and the City’s wastewater treatment infrastructure has aged significantly.  Operation and maintenance costs have increased greatly and the Michigan Department of Environmental Quality (MDEQ) has raised questions regarding certain Plant processes and the plant’s ability to meet its National Pollutant Discharge Elimination System (NPDES) permit.  As a result, the City has recently partnered with a consultant engineering firm to conduct a Master Plan study of the City’s entire wastewater collection and treatment system.  The wastewater treatment plant has several components that may need to be upgraded and some components that may continue to be part of the treatment process.  A coordinated program involving both the collection and treatment infrastructure will allow the City to respond to the issues of the MDEQ.

In 2011 the City of Niles Utilities Department completed a major upgrade to the wastewater treatment plant.  The upgrade included new influent pumps, a sodium hypochlorite disinfection system and sludge screw presses.

Wastewater Rates (effective March 1, 2013)

PDF Document Rate 41-48: In-City and Rate 51-58: Non-City  
PDF Document Rate 49: Wholesale - Niles Township  (effective May 1, 2013)
PDF Document Rate 85: Wholesale – Howard Township
PDF Document Rate 90: Retail – Bertrand Township

 
Niles Wastewater Treatment Plant 
Septage Receiving Facility

Operating Plan

The City of Niles Wastewater Treatment Plant , located at 21 Marmont Street is currently accepting domestic septage and will continue to receive septage for treatment.

Domestic Septage is defined as the septage pumped from home septic tanks, recreational vehicles, cesspools, portable toilets, type 111 marine sanitation devices, or similar storage or treatment works that receive only domestic sewage.  The Niles WWTP is also accepting leachate from the Berrien County Landfill on a load-by-load basis.

The Niles WWTP will not accept grease trap waste or any waste, including domestic septage waste, that is determined by the Superintendent or designate to cause harm to the operation of the Wastewater Plant.

The City of Niles WWTP has received domestic septage for 25 years and is not anticipating any difficulty in servicing the 15-mile radius limit.  In 2004, the Niles WWTP received 4.8 million gallons of domestic septage.  The average daily amount for March 2005 through June 2005 was 14,000 gallons per day.  The daily maximum of 51,748 gallons occurred on June 14, 2004.  The Treatment Plant received 93,000 gallons of leachate from the Berrien County Landfill in March of 2005.

The operating hours of the Niles WWTP septage receiving station will be 7:00 am until 7:00 pm, seven days a week.  These hours will become effective upon DEQ approval of the operating plan.

The Niles WWTP requires all septage haulers to be licensed by the State of Michigan .  A copy of the license will be kept on file at the plant and used to determine tank size for billing.  The cost is 4.7 cents per gallon, based on the hauler’s tank size.  Septage haulers are charged for a full tank; a partial tank will be charged as a full tank.

The Niles WWTP requires all septage haulers to fill out our Delivery Ticket and a Dump Sheet.

All septage haulers are billed monthly by the City’s billing department.  Septage haulers are expected to pay their bill by the due date.  Those who do not will lose their dumping privileges at the Niles WWTP.

Posted:  August 16, 2005