Is Grand Junction, MS Tap Water Safe to Drink?
Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
93.1/100
waterverge.com Grand Junction, MS — Water Quality Report
Grand Junction's drinking water received a grade of A (93.1 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 1,019 residents using groundwater.
Lead levels were measured at 1.1 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 73 violations on record, including 0 health-based violations. 1 remains unresolved.
What to know about Grand Junction's water
Grand Junction ranks #3 out of 320 cities in Mississippi for water quality, placing it one of the best in the state.
Grand Junction relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Grand Junction may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Grand Junction, MS water safe to drink?
Grand Junction's tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93.1/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,019 residents using groundwater (wells).
Recent water quality updates for Grand Junction
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Grand Junction's water quality assessment. Grade: A (93.1/100).
Contaminants: 1,2,4-Trichlorobenzene, cis-1,2-Dichloroethylene, Xylenes, Total.
Contaminants: 1,2,4-Trichlorobenzene, cis-1,2-Dichloroethylene, o-Dichlorobenzene.
Contaminants: Coliform (TCR).
Key contaminant findings
Based on the most recent EPA sampling data for Grand Junction's water supply.
Well within EPA limits.
Violation history
Grand Junction's water system has 73 total violations on record, including 0 health-based violations. 1 remain unresolved.
Where does Grand Junction's water come from?
Grand Junction's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,019 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Grand Junction residents can do
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.1 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Grand Junction compares by contaminant
Explore where Grand Junction ranks among all Mississippi cities for specific contaminants.
Water source & infrastructure
Where Grand Junction's water comes from
Grand Junction's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 1,019 people through 1 water system.
Water systems serving Grand Junction
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GRAND JUNCTION WATER DEPT | TN0000267 | 1,019 | GW |
How Grand Junction compares
Full Mississippi rankings →Grand Junction's score of 93.1/100 is above the average of 54/100 among major Mississippi cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Mississippi rankings →Learn more about your water
Guides and resources related to Grand Junction's water quality findings.
Explore water quality across Hardeman
Frequently asked questions
Is Grand Junction, MS tap water safe to drink?
Grand Junction's water quality earned a grade of A (93.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #3 out of 320 cities tested in Mississippi.
What contaminants are in Grand Junction's water?
Lead was measured at 1.1 ppb (90th percentile). 73 violations are on record.
How is Grand Junction's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Grand Junction?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Grand Junction's water come from?
Grand Junction's water is sourced from Groundwater. The city has 1 water system serving approximately 1,019 residents.
Is Grand Junction's groundwater at risk of contamination?
Grand Junction uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 73 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Grand Junction's water compare to other cities?
Grand Junction ranks #3 out of 320 cities in Mississippi (better than 99% of state cities) and #975 out of 15744 cities nationally (94th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Grand Junction's small water system affect quality?
Grand Junction's system serves approximately 1,019 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 73 violations on record.