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What Is the Most Common Drain Clog?

Hair bound with soap residue is the most common drain clog in bathrooms. Why Oklahoma's hard water makes it worse — and the simple habits that prevent it.
TP Triple Play Home Services October 27, 2025
2 min read

The Most Common Drain Clog: Hair and Soap Residue

As a licensed plumber serving Edmond and Oklahoma City, I can tell you without hesitation that the most common drain clog we encounter is a combination of hair and soap residue, particularly in bathroom drains. This type of clog accounts for the majority of service calls we receive at Triple Play Home Services. Hair—whether from daily showers, shaving, or grooming—binds together with soap scum, body oils, and mineral deposits from our Oklahoma water supply to create stubborn blockages that slow or completely stop drainage. These clogs typically develop gradually over weeks or months, starting with slower drainage before eventually causing standing water in your shower or bathtub.

Why Are Hair and Soap Clogs So Common?

Hair clogs dominate for several reasons. First, hair doesn’t dissolve in water, so every strand that goes down your drain stays there unless physically removed. Second, soap—especially traditional bar soap—contains fats and oils that leave behind a sticky residue called soap scum. In Edmond’s hard water conditions, this residue becomes even more pronounced as minerals like calcium and magnesium bind with soap particles. This creates a perfect environment for hair to cling to pipe walls and accumulate.

The problem compounds itself over time. As hair catches on the drain stopper, crossbar, or any rough surface inside the pipe, it creates a net-like structure that traps more hair, soap particles, toothpaste, shaving cream, and other bathroom products. Eventually, this mass restricts water flow significantly. Households with multiple family members, especially those with long hair, experience these clogs more frequently.

Other Common Clogs We See in Oklahoma Homes

While hair and soap clogs reign supreme, we regularly encounter other types of blockages:

  • Kitchen grease and food particles: The second most common clog, caused by fats, oils, and food scraps going down kitchen sinks
  • Toilet paper buildup: Excessive toilet paper or non-flushable items causing toilet backups
  • Tree root intrusion: Particularly relevant in established Edmond neighborhoods with mature landscaping
  • Mineral deposits: Oklahoma’s hard water contributes to scale buildup that gradually narrows pipes

How Do You Prevent the Most Common Clog?

Prevention is always easier than repair. Install drain screens or hair catchers in all bathroom drains to trap hair before it enters your plumbing system. Clean these screens weekly. Switch to liquid soap rather than bar soap to reduce soap scum accumulation, and run hot water through drains after each use to help flush away residue before it can solidify.

If you’re already experiencing slow drainage or standing water, don’t wait until it becomes a complete blockage. Triple Play Home Services offers 24/7 emergency drain cleaning services throughout Edmond and surrounding communities. Our licensed plumbers use professional-grade equipment to thoroughly clear clogs and restore proper drainage. Call us at (405) 500-5333 any time, day or night, for fast, reliable service from our veteran-owned team.

Frequently asked questions

What causes most drain clogs?
Hair bound together with soap residue, especially in bathroom drains — it accounts for the majority of drain calls we run in Edmond and Oklahoma City. Hair doesn't dissolve, and soap scum made stickier by hard water minerals binds strands into a mass that gradually chokes the pipe.
How do I prevent hair clogs in the shower?
Install drain screens or hair catchers in every bathroom drain and clean them weekly. Switch from bar soap to liquid soap to cut soap scum, and run hot water through drains after each use to flush residue before it solidifies. Prevention beats repair every time.
Why does hard water make clogs worse?
Minerals like calcium and magnesium in Oklahoma's hard water bind with soap particles, creating heavier, stickier soap scum that clings to pipe walls. That residue gives hair something to grab, and the trapped hair then nets more hair, toothpaste, and shaving cream until flow stops.
What's the second most common clog?
Kitchen grease and food particles. Fats and oils poured down the sink congeal inside pipes and trap food scraps. We also regularly see toilet paper overload, mineral scale narrowing older pipes, and tree roots invading sewer lines in established Edmond neighborhoods with mature landscaping.

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