Is Phoenix, Arizona Shower Water Safe? What's In Your Water (2026)
Khat Cruz
Is Phoenix, Arizona Shower Water Safe?
Population: 1,650,070 · Water Source: Salt River, Verde River, Colorado River, Groundwater
Understanding what's in your shower water is crucial for your health and well-being, especially in a vibrant city like Phoenix, Arizona. While Phoenix's tap water meets federal safety standards for drinking, the unique blend of contaminants can significantly impact your skin, hair, and respiratory health when showering. It's time to uncover the hidden elements in your daily shower and take proactive steps for a healthier home.
💧 Where Does Phoenix's Water Come From?
Primary Source: Salt River, Verde River, Colorado River, Groundwater
Phoenix's water supply is primarily sourced from a diverse portfolio including the Salt and Verde Rivers, managed by the Salt River Project (SRP), and the Colorado River, delivered via the Central Arizona Project (CAP). A smaller portion comes from groundwater. This blend undergoes extensive treatment, including coagulation, sedimentation, filtration, and disinfection, to ensure it meets safe drinking water standards before reaching homes.
Treatment: Coagulation, Sedimentation, Filtration, Chloramination, Fluoridation
🔬 What's In Phoenix's Shower Water?
Here are the key contaminants detected in Phoenix'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 (6929x above) |
| Arsenic | 9.28 ppb | 10.0 ppb | 0.0040 ppb | ⚠️ Exceeds EWG Health Guideline (2319x above) |
| Chromium (hexavalent) | 29.00 ppb | No federal limit | 0.020 ppb | ⚠️ Exceeds EWG Health Guideline (1450x above) |
| Perfluorooctane sulfonate (PFOS) | 0.0000 ppt | 4e-06 ppt | 0.0000 ppt | 🚨 ABOVE EPA LIMIT (23x above) |
| 2,3,7,8-TCDD (Dioxin) | 0.0000 ppt | 3e-08 ppt | 0.0000 ppt | 🚨 ABOVE EPA LIMIT (170x above) |
| Nitrate and nitrite | 11.00 ppm | 10.0 ppm | 0.140 ppm | 🚨 ABOVE EPA LIMIT (79x above) |
| Haloacetic acids (HAA9) | 35.77 ppb | No federal limit | 0.060 ppb | ⚠️ Exceeds EWG Health Guideline (596x above) |
| Total trihalomethanes (TTHMs) | 61.69 ppb | 80.0 ppb | 0.150 ppb | ⚠️ Exceeds EWG Health Guideline (411x above) |
| Bromodichloromethane | 19.42 ppb | No federal limit | 0.060 ppb | ⚠️ Exceeds EWG Health Guideline (324x above) |
| Haloacetic acids (HAA5) | 18.22 ppb | 60.0 ppb | 0.100 ppb | ⚠️ Exceeds EWG Health Guideline (182x 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.
Arsenic
The health guideline of 0.004 ppb for arsenic was defined by the 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 protects against cancer.
Comparison: State average: 3.97 ppb. National average: 0.624 ppb.
Shower Impact: Arsenic in shower water can be absorbed through the skin. Long hot showers increase exposure time and absorption.
Chromium (hexavalent)
The health guideline of 0.02 ppb for chromium (hexavalent) was defined by the 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 protects against cancer.
Comparison: State average: 3.36 ppb. National average: 0.440 ppb.
Shower Impact: Hexavalent chromium can be absorbed through the skin during bathing, adding to overall exposure beyond drinking water.
Perfluorooctane sulfonate (PFOS)
The health guideline of 0.3 ppt for PFOS 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 cardiovascular harm and harm to fetal growth.
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.
2,3,7,8-TCDD (Dioxin)
The health guideline of 0.0002 ppt for 2,3,7,8-TCDD 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.
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.
Nitrate and nitrite
The health guideline of 0.14 ppm for nitrate and nitrite was defined by based on the equivalent health guideline for nitrate, as defined in a peer-reviewed scientific study by EWG. . This health guideline protects against one-in-one-million annual cancer risk level.
Comparison: State average: 2.57 ppm. National average: 0.780 ppm.
Shower Impact: While primarily a drinking water concern, nitrates can contribute to skin irritation during extended shower exposure.
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: 16.14 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: 28.72 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.
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: 4.30 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.
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: 7.52 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.
🧴 How Phoenix'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 Phoenix's water quality may be affecting you:
🧖 Skin Effects
- Persistent dryness and flakiness due to mineral buildup and disinfectant exposure.
- Increased irritation and redness, especially for individuals with sensitive skin or eczema.
- Reduced lathering of soaps and shampoos, leaving residue that clogs pores and dulls skin.
- Premature aging and loss of skin elasticity from chemical exposure and lack of proper hydration.
💇 Hair Effects
- Dry, brittle, and damaged hair prone to breakage from mineral and chemical stripping.
- Dullness and lack of shine, as minerals coat hair strands and prevent natural luster.
- Fading of hair color and chemical treatments due to interaction with chlorine and hard water.
- Scalp irritation and buildup, potentially leading to dandruff or itchiness.
🫁 Respiratory Effects
- Inhalation of vaporized chloramine and disinfection byproducts, which can irritate airways.
- Exacerbation of asthma or other respiratory conditions in sensitive individuals.
- Dryness and irritation of nasal passages and throat from chemical exposure in steam.
- Potential long-term respiratory health concerns from chronic inhalation of certain compounds.
✅ What You Can Do About It
Test Your Home's Water
A professional water test provides specific data on contaminants present in your tap water, allowing you to address your unique concerns effectively.
Install a Quality Shower Filter
A shower filter can significantly reduce chlorine, chloramines, heavy metals, and sediment, leading to softer skin and hair and reduced respiratory irritation.
Opt for Lukewarm Showers
Hot water opens pores and increases the absorption of chemicals and steam inhalation; lukewarm water minimizes these effects while still providing a comfortable cleanse.
Moisturize Immediately After Showering
Applying a good moisturizer to damp skin within minutes of showering helps lock in hydration and creates a protective barrier against environmental stressors.
Consider a Whole-House Water Filter
For comprehensive protection against contaminants throughout your home, a whole-house filtration system treats all water entering your property, including for showering and drinking.
Protect Your Skin & Hair From Phoenix's Water
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Related Reading
- psoriasis triggered by shower water
- haloacetic acids in shower water
- nitrates in tap water
- shower water quality in Glendale, Arizona
- shower water quality in Mesa, Arizona
Is Phoenix tap water safe to shower in?
Phoenix's tap water meets federal drinking water standards, making it generally safe. However, common contaminants like chloramine and high mineral content (hard water) can lead to skin dryness, hair damage, and respiratory irritation, especially for sensitive individuals. While not immediately dangerous, these elements can negatively impact your long-term comfort and well-being.
Why does my skin feel so dry after showering in Phoenix?
Phoenix water is notably hard, meaning it contains high levels of dissolved minerals like calcium and magnesium. These minerals, along with chloramine used for disinfection, can strip natural oils from your skin, leave a film, and prevent proper rinsing, leading to a feeling of dryness, tightness, and potentially exacerbating conditions like eczema.
Can Phoenix water damage my hair?
Yes, the hard water in Phoenix can absolutely damage your hair. Mineral buildup can make hair dull, brittle, and prone to breakage. Chloramine can further strip hair of its natural oils, fade color treatments, and leave it feeling dry and unmanageable. Over time, this can lead to significant hair health issues.
Do shower filters really make a difference in Phoenix?
Many Phoenix residents report significant improvements in skin and hair health after installing a quality shower filter. These filters are designed to reduce chlorine, chloramines, heavy metals, and sediment, which are major contributors to dry skin, damaged hair, and respiratory irritation. A good filter can make your shower experience much more pleasant and beneficial.
What are chloramines and why are they in Phoenix water?
Chloramines are disinfectants made from chlorine and ammonia, used by Phoenix water utilities to kill harmful bacteria and viruses. They are a more stable disinfectant than chlorine alone, providing longer-lasting protection throughout the distribution system. While effective for disinfection, they can cause skin, hair, and respiratory irritation for some individuals.
