Not all water damage is the same. The industry classifies damage into three categories, based on the level of contamination and the potential risks to your health and property. Knowing which type of water you’re dealing with helps determine how serious the problem is — and how quickly it needs to be addressed.
Category 1 – Clean Water Damage
This is the least severe type of water damage and comes from a “clean” source. The water is not contaminated and generally does not pose an immediate threat to humans. Common examples include water from a burst supply line, a leaky faucet, or an overflowing sink or tub. While Category 1 water starts clean, if left untreated, it can quickly degrade into Category 2 or 3 as it comes into contact with building materials and time passes.
Category 2 – Grey Water Damage
Grey water contains some level of contamination and can cause illness or discomfort if humans or pets are exposed to it. This type of damage often results from washing machine or dishwasher overflows, sump pump failures, or toilet water containing only urine (no fecal matter). Grey water may include chemicals, detergents, or other harmful agents, making professional cleanup important to prevent further spread and health risks.
Category 3 – Black Water Damage
This is the most dangerous category of water damage. Black water is highly contaminated and can contain harmful bacteria, viruses, and microorganisms. It typically comes from sewage backups, flooding from rivers or streams, seawater, or storm surges. Direct exposure can be hazardous to human health, and immediate, professional remediation is critical to ensure safety.
No matter the category, leaving water damage untreated is never an option. Even small leaks can lead to:
Mold growth within 24–48 hours
Harmful bacteria spreading through the property
Weakened drywall, flooring, and structural components
Increased pest activity from rodents or insects
The longer water damage sits, the more severe — and expensive — it becomes.
Calling a licensed water damage restoration company right away is the best way to protect both your health and the structural integrity of your home or business. In many cases, insurance policies cover the cost of restoration, especially when the damage is sudden and accidental. Acting quickly not only saves money but also ensures your property is restored safely and effectively.
Simple — we follow a proven, step-by-step restoration process designed to deliver results every time. From rapid water extraction and structural drying to mold prevention and full repairs, our process protects your property, your health, and your peace of mind.
Emergency Response & Assessment
We identify visible and hidden damage and stop the source of water.
Water Extraction
High-powered pumps and vacuums remove standing water fast.
Drying & Dehumidification
Industrial air movers and dehumidifiers remove hidden moisture from walls, flooring, and air.
Cleaning & Sanitizing
We disinfect contaminated areas and clean salvageable belongings.
Mold Prevention & Treatment
Antimicrobial treatments keep mold from forming.
Full Restoration & Repairs
From drywall and flooring to structural rebuilds, we restore your property to pre-loss condition.
Water damage spreads fast. Whether caused by burst pipes, heavy rain, sewer backups, or an appliance leak, even a small amount of water can create serious problems. Left untreated, it can lead to warped flooring, structural issues, and mold growth within days. That’s why Houston Flood Cleanup & Restoration provides immediate, around-the-clock water damage services for homes and businesses across the North Dallas/Fort Worth metro.
At Houston Flood Cleanup & Restoration , we know the ins and outs of water damage claims, and we work directly with both homeowners’ and business insurance providers to make the process as smooth as possible. Our team uses the same estimating and billing software as the insurance companies themselves, which means your claim is documented accurately and fairly from the start.
If you’ve already been denied coverage for a water damage loss, don’t give up just yet. In many cases, we can help challenge the denial and work to get it reversed. Our insurance claim experts are available 24 hours a day to answer questions, explain your options, and guide you through the process.

we have a team of expert professionals who will help to resolve and successfully reverse all the damage that has occurred at your property.
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Hardwood Floor Drying
Washing Machine Overflow Cleanup
Moisture & Leak Detection
Mold Damage Restoration
Sewage Backflow Cleanup
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