Atlanta, Georgia Tap Water Quality Report
Serving utility: Atlanta
Updated March 2026 • Data from EWG Tap Water Database & EPA SDWIS
High Priority Concerns
Atlanta tap water has 11 contaminants exceeding EWG health guidelines, including Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs). Additionally, 10 known or suspected carcinogens were detected, including Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs).
Water Provider Information
Contaminants Detected
| Contaminant | Detected Level | EWG Guideline | Legal Limit | Status |
|---|---|---|---|---|
| Haloacetic acids (HAA9) carcinogen | 54.30 ppb | 0.06 ppb | No legal limit | Above guideline |
| Haloacetic acids (HAA5) carcinogen | 32.60 ppb | 0.10 ppb | 60 ppb | Above guideline |
| Total trihalomethanes (TTHMs) carcinogen | 41.30 ppb | 0.15 ppb | 80 ppb | Above guideline |
| Trichloroacetic acid carcinogen | 16.80 ppb | 0.10 ppb | No legal limit | Above guideline |
| Bromodichloromethane carcinogen | 5.25 ppb | 0.06 ppb | No legal limit | Above guideline |
| Chloroform carcinogen | 33 ppb | 0.40 ppb | No legal limit | Above guideline |
| Dichloroacetic acid carcinogen | 15.70 ppb | 0.20 ppb | No legal limit | Above guideline |
| Dibromochloromethane carcinogen | 2.31 ppb | 0.10 ppb | No legal limit | Above guideline |
| Chromium (hexavalent) carcinogen | 0.14 ppb | 0.02 ppb | No legal limit | Above guideline |
| Nitrate and nitrite carcinogen | 0.79 ppm | 0.14 ppm | 10 ppm | Above guideline |
| Dibromoacetic acid | 0.04 ppb | 0.03 ppb | No legal limit | Above guideline |
| Chlorate | 194.30 ppb | 210 ppb | No legal limit | Near guideline |
| Fluoride | 0.61 ppm | N/A | 4 ppm | Below guideline |
| Manganese | 0.19 ppb | 100 ppb | No legal limit | Below guideline |
| Monochloroacetic acid | 0.03 ppb | 53 ppb | No legal limit | Below guideline |
| Perfluorobutane sulfonate (PFBS) | 0.93 ppt | 2,000 ppt | No legal limit | Below guideline |
| Perfluorobutanoic Acid (PFBA) | 1.23 ppt | 1,000 ppt | No legal limit | Below guideline |
| Perfluorohexanoic Acid (PFHxA) | 1.94 ppt | 1,000 ppt | No legal limit | Below guideline |
| Perfluoropentanoic Acid (PFPeA) | 1.95 ppt | 1,000 ppt | No legal limit | Below guideline |
| Strontium | 0.03 ppb | 1,500 ppb | No legal limit | Below guideline |
| Vanadium | 0.26 ppb | 21 ppb | No legal limit | Below guideline |
Health Context
Haloacetic acids (HAA9) carcinogen
Exposure to elevated levels of this contaminant may pose health risks. See EWG and EPA guidelines for more information.
Haloacetic acids (HAA5) carcinogen
Exposure to elevated levels of this contaminant may pose health risks. See EWG and EPA guidelines for more information.
Total trihalomethanes (TTHMs) carcinogen
Exposure to elevated levels of this contaminant may pose health risks. See EWG and EPA guidelines for more information.
Trichloroacetic acid carcinogen
Exposure to elevated levels of this contaminant may pose health risks. See EWG and EPA guidelines for more information.
Bromodichloromethane carcinogen
Bromodichloromethane is a trihalomethane (THM) disinfection byproduct that damages liver and kidneys with chronic exposure. EPA classifies it as a probable human carcinogen based on animal carcinogenicity data.
Recommended Filtration for This Water
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Shop Hydrogen FlaskFrequently Asked Questions
Is Atlanta tap water safe to drink?
Atlanta tap water meets EPA legal standards for drinking water. However, 11 contaminants exceed stricter EWG health guidelines, and 10 known carcinogens were detected. While legally compliant, additional filtration is recommended for optimal safety.
What contaminants are in Atlanta water?
A total of 21 contaminants were detected in Atlanta tap water, including Haloacetic acids (HAA9), Haloacetic acids (HAA5). Of these, 11 exceed EWG health guidelines.
What's the best water filter for Atlanta?
For Atlanta tap water, we recommend a reverse osmosis (RO) system for drinking water — it removes up to 99.9% of contaminants including heavy metals, PFAS, and disinfection byproducts. For shower and bath water, a whole-home filtration system reduces chlorine and volatile organics.
Where does Atlanta get its water?
Atlanta tap water is provided by Atlanta, serving approximately 1,089,893 people. For detailed source water information, contact your local utility or visit the EPA's SDWIS database.
Nearby City Water Reports
Data sources: Environmental Working Group (EWG) Tap Water Database, U.S. EPA Safe Drinking Water Information System (SDWIS)
Last updated: March 2026
Methodology: Contaminant levels are compared against both EPA legal limits (Maximum Contaminant Levels) and EWG health guidelines, which are often stricter and based on the latest scientific research.
