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Water Quality Report · Updated October 07, 2026

ATLANTA

Serving 1,089,893 residents in ATLANTA, Georgia .

National rank 52th percentile
Georgia rank 16th percentile
Data confidence Medium
Quick answer

ATLANTA delivers tap water graded C (71/100) by TapWaterSafety.org. The utility serves approximately 1,089,893 residents in ATLANTA, Georgia using surface water. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 770-865-2240.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
1,089,893
People served
1
City served
21
Contaminants detected
11
Above health guidelines

Is ATLANTA tap water safe to drink?

ATLANTA delivers tap water that earns a grade of C (71/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.

The utility serves 1,089,893 residents in ATLANTA, drawing from surface water.

Public testing data identifies 11 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Trichloroacetic acid, Bromodichloromethane, Chloroform, Dichloroacetic acid, Dibromochloromethane, Chromium (hexavalent), Nitrate and nitrite, Dibromoacetic acid. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

EPA compliance record

Official U.S. EPA records for ATLANTA (system ID GA1210001) for the last 3 years. Checked 2026-10-07.

No health-based violations. EPA recorded one quarter with a testing, reporting or notice violation.
1 of 12quarters with a violation
Nolead above EPA action level
08/29/2023last state inspection
RuleTypeSinceStatus
Consumer Confidence Rule Other (e.g. public notice) 07/01/2024 Open

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for ATLANTA.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 54.3 ppb, 905x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 32.6 ppb, 326x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 41.3 ppb, 275x above the EWG health guideline of 0.15 ppb.

Contact ATLANTA

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for ATLANTA

Filters matched to the specific contaminants in this water supply.

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 71/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
20 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
16 / 20
Compliance History
8 / 10
Source Water Vulnerability
7 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Haloacetic acids (HAA9)
Disinfection byproduct
54.3 ppb 0.06 — — — — — 905× over
Haloacetic acids (HAA5)
Disinfection byproduct
32.6 ppb 0.1 60.0 60 — — — 326× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
41.3 ppb 0.15 80.0 100 — — — 275× over
Trichloroacetic acid
Disinfection byproduct
16.8 ppb 0.1 — — — — — 168× over
Bromodichloromethane
Disinfection byproduct
5.25 ppb 0.06 — — — — — 88× over
Chloroform
Disinfection byproduct
33.0 ppb 0.4 — — — — — 82× over
Dichloroacetic acid
Disinfection byproduct
15.7 ppb 0.2 — — — — — 79× over
Dibromochloromethane
Disinfection byproduct
2.31 ppb 0.1 — — — — — 23× over
Chromium (hexavalent)
Heavy metal
0.145 ppb 0.02 — — — — — 7.3× over
Nitrate and nitrite
Inorganic
0.794 ppm 0.14 10.0 11.3 11.3 10 — 5.7× over
Dibromoacetic acid
Disinfection byproduct
0.0374 ppb 0.03 — — — — — 1.2× over
Chlorate
Disinfection byproduct
194.3 ppb 210.0 — — — — — Below guideline
Vanadium
Other
0.255 ppb 21.0 — — — — — Below guideline
Perfluoropentanoic Acid (PFPeA)
PFAS
1.95 ppt 1000.0 — — — — — Below guideline
Perfluorohexanoic Acid (PFHxA)
PFAS
1.94 ppt 1000.0 — — — — — Below guideline
Manganese
Heavy metal
0.187 ppb 100.0 — 50 80 — — Below guideline
Perfluorobutanoic Acid (PFBA)
PFAS
1.23 ppt 1000.0 — — — — — Below guideline
Monochloroacetic acid
Disinfection byproduct
0.0251 ppb 53.0 — — — — — Below guideline
Perfluorobutane sulfonate (PFBS)
PFAS
0.933 ppt 2000.0 — — — — — Below guideline
Strontium
Radiological
0.0304 ppb 1500.0 — — — — — Below guideline
Fluoride
Inorganic
0.614 ppm — 4.0 1.5 1.5 — — Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

ATLANTA service area

This water system serves 1 community in DeKalb County, Georgia. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
GA1210001
Owner type
Local government
Source water
Surface water
Service connections
188,246
Service area
ATLANTA, DeKalb County, Georgia