Water Quality Report · Updated May 12, 2026
CLAYTON COUNTY WATER AUTHORITY
CLAYTON COUNTY WATER AUTHORITY delivers tap water graded F (51/100) by TapWaterSafety.org. The utility serves approximately 298,374 residents in MORROW, Georgia using surface water. The most significant water quality concerns are: PFAS contamination; Perfluorohexane sulfonate (PFHXS) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. For questions, the utility can be reached at 770-960-5215.
Is MORROW tap water safe to drink?
CLAYTON COUNTY WATER AUTHORITY delivers tap water that earns a grade of F (51/100) from TapWaterSafety.org — a poor rating, with significant contamination concerns and/or recent violations.
The utility serves 298,374 residents in MORROW, drawing from surface water.
Public testing data identifies 15 contaminants in this water above EWG's health-based guidelines, including: Perfluorooctanoic acid (PFOA), Perfluorooctane sulfonate (PFOS), Perfluorohexane sulfonate (PFHXS), Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Trichloroacetic acid, Bromodichloromethane, Dichloroacetic acid, Chloroform, Dibromochloromethane, Dibromoacetic acid, Chromium (hexavalent), Chlorate, Nitrate and nitrite. 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.
Quick actions for MORROW residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for CLAYTON COUNTY WATER AUTHORITY.
PFAS contamination
Severe concernPerfluorooctane sulfonate (PFOS), Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Perfluorohexane sulfonate (PFHXS) significantly above health guideline
Moderate concernPerfluorohexane sulfonate (PFHXS) detected at 2.45 ppt, 2450x above the EWG health guideline of 0.001 ppt.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 48.0 ppb, 801x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 38.1 ppb, 381x above the EWG health guideline of 0.1 ppb.
Contact CLAYTON COUNTY WATER AUTHORITY
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for MORROW
Filters matched to the specific contaminants in this water supply.
Reverse Osmosis or NSF P473 certified carbon
$80-$750Activated carbon and RO are the only technologies proven to remove PFAS at certified levels.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
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 51/100 breaks down across five weighted components. Read the full methodology →
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 |
|---|---|---|---|---|---|---|---|---|
| Perfluorooctanoic acid (PFOA) PFAS |
4.18 ppt | 0.09 | 4.0 | 100 | 100 | 0.007 | — | EPA violation |
| Perfluorooctane sulfonate (PFOS) PFAS |
4.57 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | EPA violation |
| Perfluorohexane sulfonate (PFHXS) PFAS |
2.45 ppt | 0.001 | 10.0 | — | — | — | — | 2450× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
48.0 ppb | 0.06 | — | — | — | — | — | 801× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
38.1 ppb | 0.1 | 60.0 | 60 | — | — | — | 381× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
52.0 ppb | 0.15 | 80.0 | 100 | — | — | — | 347× over |
| Trichloroacetic acid Disinfection byproduct |
18.3 ppb | 0.1 | — | — | — | — | — | 183× over |
| Bromodichloromethane Disinfection byproduct |
9.66 ppb | 0.06 | — | — | — | — | — | 161× over |
| Dichloroacetic acid Disinfection byproduct |
18.6 ppb | 0.2 | — | — | — | — | — | 93× over |
| Chloroform Disinfection byproduct |
35.6 ppb | 0.4 | — | — | — | — | — | 89× over |
| Dibromochloromethane Disinfection byproduct |
5.42 ppb | 0.1 | — | — | — | — | — | 54× over |
| Dibromoacetic acid Disinfection byproduct |
0.613 ppb | 0.03 | — | — | — | — | — | 20× over |
| Chromium (hexavalent) Heavy metal |
0.0803 ppb | 0.02 | — | — | — | — | — | 4.0× over |
| Chlorate Disinfection byproduct |
434.5 ppb | 210.0 | — | — | — | — | — | 2.1× over |
| Nitrate and nitrite Inorganic |
0.19 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.4× over |
| 6:2 Fluorotelomer Sulfonic Acid (6:2 FTSA) Other |
0.442 ppt | 1.0 | — | — | — | — | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.0552 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Manganese Heavy metal |
3.56 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Aluminum Heavy metal |
16.5 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Vanadium Other |
0.39 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
8.78 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.44 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
8.1 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluoroheptanoic acid (PFHPA) PFAS |
2.94 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
1.98 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
3.92 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.0467 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0457 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.658 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.
CLAYTON COUNTY WATER AUTHORITY service area
This water system serves 1 community in Clayton County, Georgia. Click any city for its dedicated tap water quality page.
Find the right filter for MORROW water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.