Water Quality Report · Updated May 12, 2026
CITY OF OLIVE BRANCH
CITY OF OLIVE BRANCH delivers tap water graded A (86/100) by TapWaterSafety.org. The utility serves approximately 54,025 residents in OLIVE BRANCH, Mississippi using groundwater. The most significant water quality concerns are: Radium, combined (-226 and -228) significantly above health guideline. For questions, the utility can be reached at 662-892-9201.
Is OLIVE BRANCH tap water safe to drink?
CITY OF OLIVE BRANCH delivers tap water that earns a grade of A (86/100) from TapWaterSafety.org — an excellent rating reflecting minimal contamination and full compliance with health guidelines.
The utility serves 54,025 residents in OLIVE BRANCH, drawing from groundwater.
Public testing data identifies 7 contaminants in this water above EWG's health-based guidelines, including: Radium, combined (-226 and -228), Total trihalomethanes (TTHMs), Nitrate, Nitrate and nitrite, Haloacetic acids (HAA9), Chromium (hexavalent), Haloacetic acids (HAA5). 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 OLIVE BRANCH residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for CITY OF OLIVE BRANCH.
Radium, combined (-226 and -228) significantly above health guideline
Moderate concernRadium, combined (-226 and -228) detected at 1.68 pCi/L, 34x above the EWG health guideline of 0.05 pCi/L.
Contact CITY OF OLIVE BRANCH
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 OLIVE BRANCH
Filters matched to the specific contaminants in this water supply.
Reverse Osmosis or water softener
$249-$750RO removes radium effectively; ion-exchange water softeners also reduce radium concentration.
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 86/100 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 |
|---|---|---|---|---|---|---|---|---|
| Radium, combined (-226 and -228) Radiological |
1.68 pCi/L | 0.05 | 5.0 | — | — | — | — | 34× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
1.25 ppb | 0.15 | 80.0 | 100 | — | — | — | 8.3× over |
| Nitrate Inorganic |
0.407 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.9× over |
| Nitrate and nitrite Inorganic |
0.407 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.9× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
0.15 ppb | 0.06 | — | — | — | — | — | 2.5× over |
| Chromium (hexavalent) Heavy metal |
0.0441 ppb | 0.02 | — | — | — | — | — | 2.2× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
0.17 ppb | 0.1 | 60.0 | 60 | — | — | — | 1.7× over |
| Chlorate Disinfection byproduct |
82.3 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
22.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
1.57 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Strontium Radiological |
0.0129 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
0.127 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.498 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.
CITY OF OLIVE BRANCH service area
This water system serves 1 community in DeSoto County, Mississippi. Click any city for its dedicated tap water quality page.
Find the right filter for OLIVE BRANCH water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.