Understanding The Difference Between Sewer and Septic Systems

True or false: Sewer and septic systems both provide the same main benefits.


When it comes to septic systems, many people turn their nose up (no pun intended) at the idea. But at the end of the day, both sewer and septic systems provide the same result: filtered out black water (or the water you flush) and gray water (water that comes from the sink and shower drains). 

While the end result of both sewers and septic systems are the same, however, there are some obvious differences between the two. 

  • First, sewers are a shared system, which usually connects entire communities to one central drain field. As a result of this, they can fall victim to clogs, causing sewage to plug and even back up in your home’s drains. While this doesn’t happen often, it is a possible problem to be aware of. 

The good news is that since sewers are maintained and paid for by local governments and entities, you don’t have to front the cost of maintenance or labor when they need to be repaired. 

  • Septic systems are the responsibility of you and only you. They serve to filter and dispose of the black and gray water from only your household (or business), and empty into a dedicated drain field on your own property. Because of this, you are responsible for maintaining and repairing the septic system when necessary. 

There are several things to consider when properly maintaining a septic system, such as being cautious about what you drain down sinks or flush down toilets, as major clogs can result in extensive damage to the system as a whole. 

Luckily, the choice between a septic system and use of a public sewer isn’t typically yours to make. The majority of houses, even new builds, are set within zones that determine whether they will be on septic or sewer. 

Drain service in Northwest Houston

One thing that sewer and septic systems have in common is that drain issues can be frustrating, messy, and potentially hazardous to your health. If you have any questions about your type of system or need expert repair service, reach out to us at Rooter-Man Plumbers today at (281) 351-4422.

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