Is Chattanooga, Tennessee Shower Water Safe? What's In Your Water (2026)
Khat Cruz
Is Chattanooga, Tennessee Shower Water Safe?
Population: 184,165 · Water Source: Tennessee River
Understanding what's in your shower water is crucial for your health and well-being, especially in Chattanooga, Tennessee. While the city's drinking water meets regulatory standards, contaminants present can still impact your skin, hair, and respiratory health when showering. Knowing the specifics of Chattanooga's water quality empowers you to make informed decisions for a safer shower experience.
💧 Where Does Chattanooga's Water Come From?
Primary Source: Tennessee River
Chattanooga's primary drinking water source is the Tennessee River, a vital waterway. Water is drawn from the river, treated extensively at local facilities, and then distributed to homes and businesses. This process involves multiple stages of purification to ensure safety.
Treatment: Coagulation, flocculation, sedimentation, filtration, disinfection (using chloramines)
🔬 What's In Chattanooga's Shower Water?
Here are the key contaminants detected in Chattanooga's water supply based on real testing data from the EWG Tap Water Database:
| Contaminant | Level Found | EPA Limit | EWG Guideline | Status |
|---|---|---|---|---|
| Perfluorohexane sulfonate (PFHXS) | 0.0000 ppt | 1e-05 ppt | 0.0000 ppt | ⚠️ Exceeds EWG Health Guideline (940x above) |
| Perfluorooctanoic acid (PFOA) | 0.0000 ppt | 4e-06 ppt | 0.0000 ppt | 🚨 ABOVE EPA LIMIT (78x above) |
| Haloacetic acids (HAA9) | 35.48 ppb | No federal limit | 0.060 ppb | ⚠️ Exceeds EWG Health Guideline (591x above) |
| Total trihalomethanes (TTHMs) | 45.42 ppb | 80.0 ppb | 0.150 ppb | ⚠️ Exceeds EWG Health Guideline (303x above) |
| Haloacetic acids (HAA5) | 23.89 ppb | 60.0 ppb | 0.100 ppb | ⚠️ Exceeds EWG Health Guideline (239x above) |
| Trichloroacetic acid | 12.70 ppb | No federal limit | 0.100 ppb | ⚠️ Exceeds EWG Health Guideline (127x above) |
| Bromodichloromethane | 6.34 ppb | No federal limit | 0.060 ppb | ⚠️ Exceeds EWG Health Guideline (106x above) |
| Chloroform | 31.84 ppb | No federal limit | 0.400 ppb | ⚠️ Exceeds EWG Health Guideline (80x above) |
| Dichloroacetic acid | 10.41 ppb | No federal limit | 0.200 ppb | ⚠️ Exceeds EWG Health Guideline (52x above) |
| Radium, combined (-226 and -228) | 0.906 pCi/L | 5.0 pCi/L | 0.050 pCi/L | ⚠️ Exceeds EWG Health Guideline (18x above) |
Contaminant Details
Perfluorohexane sulfonate (PFHXS)
The health guideline of 0.001 ppt for perfluorohexane sulfonate was defined by EWG based on studies by Phillipe Grandjean of Harvard University and many other independent researchers who found reduced effectiveness of vaccines and adverse impacts on mammary gland development from exposure to PFOA and PFOS, the two PFAS most widely detected in drinking water. This health guideline harm to the developing immune system.
Comparison: State average: 0.0000 ppt. National average: 0.0000 ppt.
Shower Impact: Contaminants in shower water can be absorbed through the skin and inhaled as steam, increasing your daily exposure beyond what you get from drinking water alone.
Perfluorooctanoic acid (PFOA)
The health guideline of 0.09 ppt for PFOA was defined by California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline Harm to the immune system; harm to fetal growth and child development; increased cholesterol.
Comparison: State average: 0.0000 ppt. National average: 0.0000 ppt.
Shower Impact: Contaminants in shower water can be absorbed through the skin and inhaled as steam, increasing your daily exposure beyond what you get from drinking water alone.
Haloacetic acids (HAA9)
The health guideline of 0.06 ppb for haloacetic acids (HAA9) was defined by EWG . This health guideline protects against cancer.
Comparison: State average: 28.44 ppb. National average: 23.70 ppb.
Shower Impact: These disinfection byproducts become airborne in hot shower steam. You can inhale and absorb them through your skin, potentially increasing your exposure beyond just drinking water.
Total trihalomethanes (TTHMs)
The health guideline of 0.15 ppb for trihalomethanes was defined by in a peer-reviewed scientific study by EWG and represents a one-in-one-million lifetime cancer risk level. as a draft public health goal, the level of drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
Comparison: State average: 30.36 ppb. National average: 29.06 ppb.
Shower Impact: These disinfection byproducts become airborne in hot shower steam. You can inhale and absorb them through your skin, potentially increasing your exposure beyond just drinking water.
Haloacetic acids (HAA5)
The health guideline of 0.1 ppb for haloacetic acids (HAA5) was defined by as . This health guideline protects against cancer.
Comparison: State average: 21.53 ppb. National average: 19.82 ppb.
Shower Impact: These disinfection byproducts become airborne in hot shower steam. You can inhale and absorb them through your skin, potentially increasing your exposure beyond just drinking water.
Trichloroacetic acid
The health guideline of 0.1 ppb for trichloroacetic acid was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
Comparison: State average: 10.46 ppb. National average: 6.57 ppb.
Shower Impact: These disinfection byproducts become airborne in hot shower steam. You can inhale and absorb them through your skin, potentially increasing your exposure beyond just drinking water.
Bromodichloromethane
The health guideline of 0.06 ppb for bromodichloromethane was defined by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
Comparison: State average: 3.91 ppb. National average: 5.89 ppb.
Shower Impact: These disinfection byproducts become airborne in hot shower steam. You can inhale and absorb them through your skin, potentially increasing your exposure beyond just drinking water.
Chloroform
The health guideline of 0.4 ppb for chloroform was defined by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
Comparison: State average: 17.68 ppb. National average: 16.20 ppb.
Shower Impact: These disinfection byproducts become airborne in hot shower steam. You can inhale and absorb them through your skin, potentially increasing your exposure beyond just drinking water.
Dichloroacetic acid
The health guideline of 0.2 ppb for dichloroacetic acid was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
Comparison: State average: 9.66 ppb. National average: 8.00 ppb.
Shower Impact: These disinfection byproducts become airborne in hot shower steam. You can inhale and absorb them through your skin, potentially increasing your exposure beyond just drinking water.
Radium, combined (-226 and -228)
The health guideline of for radium, combined (-226 and -228) was defined by the California Office of Environmental Health Hazard Assessment as . This health guideline protects against cancer.
Comparison: State average: 0.493 pCi/L. National average: 0.332 pCi/L.
Shower Impact: Radioactive contaminants can become aerosolized in shower steam and inhaled, adding to overall exposure.
🧴 How Chattanooga's Water Affects Your Skin, Hair & Health
When you shower, contaminants in the water don't just wash off — they're absorbed through your skin and inhaled as steam. Here's how Chattanooga's water quality may be affecting you:
🧖 Skin Effects
- Dryness and irritation due to chloramines and hard water minerals.
- Exacerbation of eczema and other sensitive skin conditions.
- Soap scum residue that clogs pores and dulls skin.
- Potential for absorption of disinfection byproducts and heavy metals.
💇 Hair Effects
- Frizz, dullness, and lack of luster from hard water mineral buildup.
- Increased breakage and dryness due to chlorine stripping natural oils.
- Color fading in treated hair due to chemical exposure.
- Scalp irritation and flakiness.
🫁 Respiratory Effects
- Irritation of nasal passages and lungs from inhaled chloramine vapor.
- Potential exacerbation of asthma and other respiratory sensitivities.
- Inhalation of disinfection byproducts (HAA5, TTHM) in shower steam.
- Dryness of mucous membranes.
✅ What You Can Do About It
Test Your Water
A home water test kit can provide specific data about contaminants in your household's tap water, offering personalized insights beyond general city reports.
Install a Quality Shower Filter
A shower filter can effectively reduce chlorine, chloramines, heavy metals, and other impurities, significantly improving water quality for bathing.
Limit Shower Time and Temperature
Shorter, cooler showers reduce exposure to vaporized chemicals and minimize the drying effects of hot water on skin and hair.
Moisturize Immediately After Showering
Applying a high-quality moisturizer to damp skin helps lock in hydration and creates a barrier against environmental irritants.
Consider a Whole-House Filter
For comprehensive water purification, a whole-house filtration system treats all water entering your home, benefiting all faucets and appliances.
Protect Your Skin & Hair From Chattanooga's Water
The easiest way to remove chlorine, heavy metals, and other contaminants from your shower water.
Shop Afina Filtered Showerheads →🛒 Recommended Products for Chattanooga Residents
Afina Filtered Showerhead
15-stage filtered showerhead that removes chlorine, heavy metals, and other contaminants while providing great water pressure.
✨ All-in-one solution — filters water and gives you a premium shower experience
Shop Now →Afina Shower Filter
Universal shower filter that attaches to any existing showerhead. Removes chlorine, chloramine, and sediment.
✨ Keep your current showerhead and add powerful filtration
Shop Now →Afina Replacement Filter
Replacement filter cartridge for Afina shower filters. Lasts up to 6 months or 10,000 gallons.
✨ Easy replacement every 2-3 months to maintain peak filtration
Shop Now →❓ Frequently Asked Questions
Related Reading
- why your skin feels dry after showering
- chromium-6 in tap water
- nitrates in tap water
- shower water quality in Memphis, Tennessee
- shower water quality in Nashville, Tennessee
Is Chattanooga tap water safe to shower in?
Chattanooga's tap water meets EPA drinking water standards, making it generally safe for showering. However, common disinfectants like chloramines and minerals that cause hardness can still lead to skin, hair, and respiratory issues for many individuals, especially those with sensitivities.
Why does my skin feel dry after showering in Chattanooga?
The dryness you experience is likely due to the presence of chloramines, which strip natural oils from your skin, and hard water minerals (calcium and magnesium). These minerals can leave a residue that prevents your skin from fully rinsing clean and contributes to dryness and irritation.
Can Chattanooga's shower water affect my hair color?
Yes, the chloramines and hard water minerals in Chattanooga's water can negatively impact your hair color. Chloramines can strip color, while mineral buildup from hard water can make hair appear dull and may even alter the tone of chemically treated hair over time.
What is the best type of shower filter for Chattanooga water?
For Chattanooga's water, a shower filter that specifically targets chloramines, chlorine, and heavy metals is most beneficial. Look for filters utilizing KDF (Kinetic Degradation Fluxion) media and activated carbon for comprehensive reduction of these contaminants.
Are there specific concerns for people with eczema in Chattanooga?
Individuals with eczema in Chattanooga may find their condition exacerbated by chloramines and hard water. These elements can further dry out sensitive skin, disrupt the skin barrier, and leave irritating residues, making it harder to manage eczema symptoms.
