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About this data: ClearWater uses the EPA's Safe Drinking Water Information System (SDWIS). Data is for public water systems only; private wells are not included. Legal limits (MCLs) are minimum standards; some contaminants may still pose health risks below legal thresholds.
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CITY OF OLIVE BRANCH
OLIVE BRANCH, MS · 54,025 people served · Groundwater
Data last updated: 2026-07-10
7 total violations on record. No currently active health-based violations.
Health-Based Violations
- Combined Radium (-226 and -228): Maximum Contaminant Level Violation (Resolved)
Lead & Copper
| Measure | Result | EPA action level | Status | Monitoring period |
|---|---|---|---|---|
| Lead (90th percentile) | 0.0009 mg/L | 0.015 mg/L | Below action level | 2024-12-31 |
These are 90th-percentile results across sampled household taps, not a single measurement, and neither lead nor copper has a Maximum Contaminant Level. Lead reaches tap water from household plumbing rather than from the treatment plant, so a result below the action level does not guarantee your own tap is below it. Source: EPA SDWIS, Lead and Copper Rule sampling.
Lithium
This system was monitored for lithium and none was detected at or above EPA's minimum reporting level of 9 µg/L.
Lithium has no federal drinking water limit. The Health Reference Level is a non-regulatory screening value from EPA's CCL 5 process, not an enforceable standard, and a result above it is not a violation. The figure shown is the highest single detection reported for this system; EPA compares averages, not maxima, when it reports national statistics. Source: EPA UCMR 5 occurrence data, reference values from EPA's UCMR 5 Data Summary (January 2026), Table 2.
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CITY OF OLIVE BRANCH: Frequently Asked Questions
Is CITY OF OLIVE BRANCH water safe to drink?
CITY OF OLIVE BRANCH has had multiple health-based violations in recent years (grade C). Review the specific violations below and consider filtering your drinking water.
What violations has CITY OF OLIVE BRANCH had?
Recent health-based violations at CITY OF OLIVE BRANCH include: Combined Radium (-226 and -228). See the full violation history on this page for dates, status, and details.
Does CITY OF OLIVE BRANCH water have lead?
Lead in drinking water typically comes from household plumbing, not from CITY OF OLIVE BRANCH's treatment plant. See the Lead & Copper section on this page for the most recent 90th-percentile lead test results. If your home was built before 1986, consider running cold water for 30 seconds before drinking and using an NSF/ANSI 53-certified filter.
Related water quality pages
Lead & Copper
What To Do
Violations
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