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WASTEWATER DIVISION

What We Do
Renewable Energy
Beneficial Residuals
​Long-Term Control Plan 
What We Do

The Wastewater Process

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Renewable Energy

Renewable Energy

More information coming soon!
Beneficial Residuals

Beneficial Residuals

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​Long-Term Control Plan 

Long-Term Control Plan 

Almost every time it rains, raw sewage mixed with stormwater from combined sewers overflows into the Mississinewa River. Marion Utilities is currently addressing this problem, however, meeting Federal mandates may require significant financial expenditures that will affect the whole city.

Long Term Control Plan

The sewer collection system consists of three kinds of sewers:
  1. Storm sewers that carry only stormwater runoff.
  2. Sanitary sewers that carry only sanitary waste.
  3. Combined sewers that carry sanitary waste and stormwater runoff.

The theory behind the combination sewer was that during dry weather it could transport sanitary waste to the treatment plant. During wet weather, the sanitary waste would be flushed to the treatment plant by the influx of stormwater, and as the sewer reached capacity, the stormwater would overflow to the river. However, a large amount of sanitary waste also discharges to the river. This discharge is called a Combined Sewer Overflow (CSO).

Sanitary waste discharged to the river can have a drastic impact on the water quality of the river. High concentrations of metals from industrial discharges such as zinc, lead, copper, nickel, chromium, cadmium and mercury, low levels of dissolved oxygen due to the biological breakdown of organic waste and high levels of bacteria and pathogens can make the river unfit for recreational use, impair the rivers ecology, and in extreme cases, cause fish kills.

Find more information about CSOs on our Stormwater Division page - click here.

Weather observations:

Readings are recorded at 7 a.m. every day and reflect the previous 24-hour period between 7AM yesterday and 7AM today.
​High ​(°F)
Low ​(°F)
Precipitation (in.)
River Level
at Highland Bridge (ft.)
84
47
0.00
1.24
Footer Updated: 10:53 a.m., 06/5/2023
CONTACT US

1540 n. washington st. 
marion, in 46952
765.664.2391

Hours  M-f  7:30AM - 4:30PM
Wednesdays close at 3:30PM
​Solid waste m-th 8am - 3pm

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