• By Champion Inspect

Quick Tip #22 – The Rain May Drain, But It’s Really Not a Pain

Updated: Apr 11, 2019


When a rain gutter and downspout send their discharge below grade to a pipe, it may


appear that rainwater is draining into a sanitary sewer, but it really isn’t. In municipal areas with sewer systems, gutter (rainwater) discharge is normally routed into a storm sewer.

This storm piping routes water to rivers and streams and is separate from the sanitary sewer system.

Municipal systems include a sanitary sewer system that routes toilet, shower and sink water to a sewage treatment plant.

The flow of storm and sanitary sewer systems would never be combined unless a really old system is in place or there are problems with the system. In the old days before good sewage treatment, homes had combined sewers – but that is not common today.

When you live out in the country, your gutters may discharge below grade and be directed underground to the side of a hill or a lower spot. Rural areas don’t have storm sewers.

Here is a tip. Look at the curb and gutter in front of your house. If you see grates there, rainwater flows into a storm sewer system below the street.

#Plumbing #QuickTips #Water #Exterior #Sewer #StormDrains #Drains

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