Wastewater Treatment
THE TECHNICAL FUN FACTS:
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