Is Anaheim, California Shower Water Safe? What's In Your Water (2026)
Khat Cruz
Is Anaheim, California Shower Water Safe?
Population: 350,365 · Water Source: Metropolitan Water District (MWD) and Orange County Groundwater Basin
Understanding your shower water quality in Anaheim, California, is crucial for your family's health and well-being in 2026. While Anaheim's water meets federal safety standards for drinking, contaminants present in shower water can still impact your skin, hair, and respiratory health through absorption and inhalation. Knowing what's in your water empowers you to make informed choices for a safer shower experience.
💧 Where Does Anaheim's Water Come From?
Primary Source: Metropolitan Water District (MWD) and Orange County Groundwater Basin
Anaheim's water supply is a blend, primarily sourced from the Orange County Groundwater Basin and supplemented with imported water from the Metropolitan Water District of Southern California (MWD). MWD's sources include the Colorado River Aqueduct and the State Water Project. This blend undergoes extensive treatment, including filtration and disinfection, to ensure it meets strict quality standards before reaching your home.
Treatment: Coagulation, flocculation, sedimentation, filtration, and chloramination
🔬 What's In Anaheim's Shower Water?
Here are the key contaminants detected in Anaheim'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 (8799x above) |
| Perfluorooctane sulfonate (PFOS) | 0.0000 ppt | 4e-06 ppt | 0.0000 ppt | 🚨 ABOVE EPA LIMIT (75x above) |
| Arsenic | 3.05 ppb | 10.0 ppb | 0.0040 ppb | ⚠️ Exceeds EWG Health Guideline (763x above) |
| Perfluorooctanoic acid (PFOA) | 0.0000 ppt | 4e-06 ppt | 0.0000 ppt | 🚨 ABOVE EPA LIMIT (98x above) |
| Haloacetic acids (HAA5) | 36.20 ppb | 60.0 ppb | 0.100 ppb | ⚠️ Exceeds EWG Health Guideline (362x above) |
| Haloacetic acids (HAA9) | 13.30 ppb | No federal limit | 0.060 ppb | ⚠️ Exceeds EWG Health Guideline (222x above) |
| Total trihalomethanes (TTHMs) | 29.99 ppb | 80.0 ppb | 0.150 ppb | ⚠️ Exceeds EWG Health Guideline (200x above) |
| Bromodichloromethane | 8.40 ppb | No federal limit | 0.060 ppb | ⚠️ Exceeds EWG Health Guideline (140x above) |
| Perfluorononanoic acid (PFNA) | 0.0000 ppt | 1e-05 ppt | 0.0000 ppt | ⚠️ Exceeds EWG Health Guideline (97x above) |
| Dibromochloromethane | 8.08 ppb | No federal limit | 0.100 ppb | ⚠️ Exceeds EWG Health Guideline (81x 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.
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.
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: 0.899 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.
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 (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: 35.45 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.
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: 15.50 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: 27.09 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: 5.64 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.
Perfluorononanoic acid (PFNA)
The health guideline of 0.006 ppt for perfluorononanoic acid 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 immune system and harm to fetal growth and child development.
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.
Dibromochloromethane
The health guideline of 0.1 ppb for dibromochloromethane 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: 6.38 ppb. National average: 3.55 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 Anaheim'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 Anaheim's water quality may be affecting you:
🧖 Skin Effects
- Increased dryness and flakiness due to chloramines and hard water minerals.
- Exacerbation of eczema and other sensitive skin conditions.
- Premature aging and dullness from mineral buildup and chemical exposure.
- Skin irritation and redness, especially after prolonged hot showers.
💇 Hair Effects
- Hair dryness, brittleness, and breakage from mineral deposits and chloramine damage.
- Dullness and lack of shine due to hard water film.
- Faster fading of color-treated hair.
- Scalp irritation and buildup from soap scum and mineral residue.
🫁 Respiratory Effects
- Irritation of the nasal passages and throat from inhaled chloramine and TTHM vapors.
- Exacerbation of asthma and allergy symptoms due to chemical inhalation.
- General respiratory discomfort, especially in poorly ventilated bathrooms.
- Increased risk of long-term respiratory issues from chronic exposure to volatile contaminants.
✅ What You Can Do About It
Test Your Water
Understanding the specific contaminants in your home's water is the first step. Home test kits or professional lab testing can provide accurate insights into your water quality.
Install a Quality Shower Filter
A high-quality shower filter can significantly reduce chlorine, chloramines, heavy metals, and other contaminants, leading to softer skin and hair and reduced respiratory irritation.
Use Lukewarm Water
Hot water opens pores and increases the volatilization of chemicals like chloramines and TTHMs. Shorter, lukewarm showers can minimize exposure and prevent excessive skin dryness.
Moisturize Immediately
Apply a rich moisturizer to damp skin within minutes of exiting the shower to lock in hydration and create a protective barrier against environmental stressors.
Improve Bathroom Ventilation
Ensure good air circulation by using an exhaust fan or opening a window during and after showering to reduce the concentration of inhaled volatile chemicals.
Protect Your Skin & Hair From Anaheim's Water
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Related Reading
- psoriasis triggered by shower water
- trihalomethanes in treated water
- hexavalent chromium in water
- shower water quality in Bakersfield, California
- shower water quality in Chula Vista, California
Is Anaheim tap water safe to shower in?
While Anaheim's tap water meets federal drinking water standards, contaminants like chloramines, hard water minerals, and disinfection byproducts can still impact your health during showering. These can be absorbed through the skin and inhaled via steam, leading to potential skin, hair, and respiratory issues.
Why does my Anaheim shower water smell like chlorine?
The chlorine-like smell is likely due to chloramines, which are used to disinfect Anaheim's water supply and maintain water quality throughout the distribution system. When heated in the shower, these compounds can become more volatile, leading to a noticeable odor and potential respiratory irritation.
Does Anaheim have hard water?
Yes, Anaheim is known for having very hard water, primarily due to its reliance on groundwater sources from the Orange County Basin. This means your shower water contains high levels of dissolved minerals like calcium and magnesium, which can contribute to dry skin, dull hair, and soap scum buildup.
How often should I replace my shower filter?
The replacement frequency for a shower filter depends on the specific filter model, your water usage, and the level of contaminants in your water. Generally, most shower filters require replacement every 3 to 6 months to maintain optimal performance and contaminant reduction.
Can Anaheim's shower water affect my eczema?
Absolutely. The hard water minerals can dry out and irritate sensitive skin, while chloramines can strip natural oils, leading to increased dryness, itching, and inflammation. Reducing exposure to these irritants through filtration and proper skincare can help manage eczema symptoms.
