The main plumbing dysfunctions often encountered include a variety of issues, ranging from clogged drains to more severe problems like sewer system backups.

Some of the most common issues are:

1. **Leaky Pipes**: These can occur due to reasons such as corrosion, excessive water pressure, and cracking. Regular inspection is vital to prevent these leaks, especially during winters when pipes can freeze and burst.

2. **Slow or Clogged Drainage**: Often caused by build-ups such as hair, soap, and other foreign objects. Routine cleaning is crucial for prevention.

3. **Running Toilets**: This can waste a significant amount of water and is usually due to a faulty flapper valve. It's a relatively simple fix with the right tools.

4. **Leaking Hose Bibb**: Common in spring and summer, often as a result of cracking due to cold winters. Investing in frost-proof hose bibbs can reduce future leaks. 

5. **Slow Draining Tub**: Usually due to hair and debris blockages. Tools like needle-nose pliers can be used for removal, or you can contact a plumber for complex cases.

6. **Clogged Bath**: Similar to tubs, baths and showers can get clogged with hair and soap. Regular use of a plunger, vinegar, and baking soda, or a drain guard can help clear and prevent clogs.

7. **Jammed Garbage Disposal**: Can occur if run without water, or if inappropriate food substances are disposed of. Resetting the unit or clearing the motor with a wrench might be needed.

8. **Faulty Water Heater**: Issues can arise from things like pilot light failures or sediment build-up in the tank, often requiring professional inspection and repair.

9. **Sewer System Backup**: A significant problem that can lead to multiple drain and toilet blockages. Causes include main sewer clogs, tree root invasion, or old sewer line collapse.

10. **Sump Pump Failure**: Can be due to internal or external issues like stuck switches, heavy rain, or improper installation.

For more details on these issues,  call Emergency Plumbing HVAC and Air Duct Cleaning,

your "plumber near me" one stop shop for all your plumbing needs in Highland Park, Glenview, Deerfield, 

Northbrook, Lincolnshire, Riverwoods, Lake Forest, Lake Bluff, Vernon Hills, Lake Zurich, Buffalo Grove and beyond.

Remember, while some issues can be addressed with DIY methods, others might require professional plumbing services.