Trent Hills is committed to increased efficiency and cost savings in the municipality's wastewater treatment and collection system and it starts with developing strategies to reduce the amount of infiltration and inflow entering the system. 

Infiltration and inflow is water that sneaks into the system - see the sources in the image below:

image explaining inflow and infiltration

Aging infrastructure, broken pipes and cracks as well as illegal connections, are just some of the causes for increased flows and added costs.

The municipality performs repairs, replacements and annual CCTV investigations to combat these issues.

Sewer Use By-Law No. 2011-121 prohibits the discharge of storm/ground water to the sanitary system.

Illegal Connections to the Wastewater and Storm Systems Include:
  • Sump pumps
  • Roof drains or eavestroughs
  • Foundation or floor drains

 

icon of did you know?

There is a high risk of flooding in basements where illegal connections exist. 

During storm events, in addition of storm water through illegal connections can exceed the capacity of the sanitary system causing it to become surcharged. This can result in the pressure being released by backing up into private services and basements.  

It only takes 12 sump pumps operating at full capacity to overload an 8-inch sewer main.  Blockages in the system can also cause ground water to back up into basements.  

Reducing sources of storm and ground water in the wastewater system will reduce the potential for surging and sewer backups.

 

Why this matters:

Simply put, the more flow in the system, the more money it costs to treat. The added amount of storm water entering the sanitary system each year results in thousands of dollars in unnecessary treatment costs.

The ratepayer, through sewer rates, directly absorbs these costs.

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