Most of us flush the toilet, or wash the dishes and laundry, and never think about where the water goes after it leaves our sight. Am I right? Well, why should we care anyways? Here is why we should all care:

All the pipes in your wastewater from toilets, sinks, dishwashers and washing machines come together into a single pipe, called a lateral, that runs from your house to a larger pipe, called a sewer main, under the street.

Most homes have a cleanout, a pipe that connects your sewer line to the surface of the ground, that helps prevent overflows inside homes.

The lateral is divided into two segments. The upper private segment extends from the house to the cleanout at the curb, also called a District cleanout, and the lower public segment extends from there to the sewer main.

As a homeowner, you are responsible for maintaining the upper lateral. Depending where you are in the country, your local sanitation department maintains the lower laterals. If there is no district cleanout, the homeowner is responsible for the lateral from the home to the sewer main.

In many areas, homes still have their original sewer lateral connection. The pipes are old, often made of clay with cement mortar joints. Over time, some have cracked or have separated joints, and sometimes the pipes have shifted out of place. These defects allow tree roots to grow into the pipes, which cause blockages.

Other causes of blockages include cooking oil and grease, the wrong things being put down the drain, and more. When pipes re blocked, overflows occur.

If you have a cleanout on your property, and a blockage occurs in your lateral, the overflow will occur outside your home. This may cause damage to your yard, your neighbor’s property, and, if the overflow reaches the storm drain, may harm the Bay.

If you don’t have a cleanout and a blockage occurs, wastewater will back up into your house causing potential health and property problems.

If you have an overflow or stoppage, call your district’s sanitation department first. They will evaluate the problem. If it is District related, they will fix it. If the problem is in the upper lateral, you will probably be advised to call a plumber.

Two Important Notes:

If you do not address the problem, there are risks involved/ You may be subject to fines for allowing wastewater to harm the environment through the storm drain, or you may be open to litigation from your neighbors for property damage.

Fortunately, there’s a good solution. Your local District may have what is called an Upper Lateral Program that can reimburse part of the cost of upper lateral replacement or cleanout installation. You must apply for reimbursement before you do the work-you can not bring in your receipts to the District afterwards for reimbursement.

Remember, keeping your upper lateral in good shape is better for the environment, and may save you thousands of dollars.

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