Yes, if your sink drain is stuck, it can cause water to back up in the sink.
When you shower, the water goes down the drain and the drain may be clogged or slow, causing the water to back up and fill the bathtub.
If your drain is clogged and causing water to back up in your sink, you should try using a plunger or a drain snake to clear the blockage. If that doesn't work, you may need to call a professional plumber to help fix the issue.
The dishwasher may back up into the sink if there is a clog in the drain hose or if the sink's drain is blocked, causing water to flow back into the sink instead of draining properly.
Standing water in your shower is likely due to a clogged shower drain. When hair, soap scum, and other debris accumulate in the drain, water is unable to flow through properly, causing it to back up and collect in the shower. Regular cleaning and maintenance of the drain can help prevent this issue.
BAD venting causing negative pressure / back siphoning
The purpose of the bathtub overflow drain gasket is to create a watertight seal between the overflow drain and the bathtub. This gasket helps prevent water leakage by ensuring that any excess water that reaches the overflow drain is directed back into the plumbing system, rather than seeping out and causing damage to the surrounding area.
The purpose of a dishwasher drain loop is to prevent dirty water from flowing back into the dishwasher. It works by creating a high point in the drain hose, which traps water and prevents it from flowing back into the dishwasher.
Drain the water. You have messed with the pool structure causing the walls to bow from the weight of the water. You can lightly mark the liner where you want it to be and the drain the water set your rails back and then fill the pool up.
Water coming up through your basement floor drain after heavy rain may be due to a high water table or poor drainage around your home. The excess water from the rain can seep into the ground and put pressure on the drain, causing water to back up into your basement. It is important to address the drainage issues around your home to prevent further water damage.
You can get a back water valve. It is similar to a check vale/ the back water valve goes on your main sewer line out side of home. It is desined to stop black water form coming into your home if main line stops up. Thay do make a device that can be installed into an exsisting drain it lets water through your drain but will not let water back up through you shower drain.
Water backing up in the dishwasher when it is not in use may be due to a clog in the drain hose or a problem with the dishwasher's drain pump. This can prevent water from properly draining out of the dishwasher, causing it to back up. It is important to address this issue promptly to prevent further damage to the dishwasher and potential water damage to the surrounding area.
Architects - Follow The Water