Wastewater Treatment


The City of Winchester services:

     2120 residential customers

     15 industrial customers

     280 commercial customers.

The Collection System Consists of:

     132,000 feet of sanitary sewer

     82,250 feet of storm sewer.

We maintain 10 lift stations and have a 100% separate sanitary sewer system. 

The Wastewater Treatment Plant is a Class III conventional activated sludge treatment process with a design flow of 2.19 mgd.

The treatment process consists of:

     2 Communators

     2 Primary Clarifiers

     4 Aeriation Tanks

     4 Final Clarifers

Disinfection is achieved by using chlorine gas and sulfur dioxide for declorination. 

We have the following permit requirements: CBOD, TSS, Ammonia-Nitrogen, PH, Dissolved Oxygen, Total Residule Chlorine, Ecoli, Influent and Effluent Mercury. 

We also have 2 large storage basins with a capacity of 64 million gallons. These surge basins allow for storage of excess flows until the water can be treated.

The sludge handling consists of:

     1 sludge thickener

     2 Aerobic Digesters

     1 Decant Tank

     6 Drying Beds

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Contact Us

Chris Martin,
Superintendent - Class III operator
901 Northwest St
Winchester, IN 47394
Get Directions
  • Phone: (765) 584-1331
  • Fax: (765) 584-3153
  • Staff Directory
  • Office Hours:
    Monday-Friday 7:00 am to 3:30 pm
    For emergencies call 584-6891

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