Is Glen Allan, MS Tap Water Safe to Drink?
Graded A-, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
86/100
waterverge.com Glen Allan, MS — Water Quality Report
Glen Allan's drinking water received a grade of A- (86 out of 100), indicating good water quality. The city's 1 water system serves approximately 649 residents using groundwater.
Lead levels were measured at 0.8 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 80 violations on record, including 0 health-based violations. 7 remain unresolved.
What to know about Glen Allan's water
Glen Allan ranks #47 out of 320 cities in Mississippi for water quality, placing it above average in the state.
Glen Allan 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, Glen Allan may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Glen Allan, MS water safe to drink?
Glen Allan's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (86/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 649 residents using groundwater (wells).
Recent water quality updates for Glen Allan
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Glen Allan's water quality assessment. Grade: A- (86/100).
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Federal disaster declaration (FEMA DR-4626). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3569). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Glen Allan's water supply.
Well within EPA limits.
Violation history
Glen Allan's water system has 80 total violations on record, including 0 health-based violations. 7 remain unresolved. 6 violations were issued in the last 5 years.
Flood & environmental risk
Washington County has experienced 10 federally declared disasters since 1991. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Lk Washington Trib No 2 Nr Marathon, Lk Washington Trib.
Where does Glen Allan's water come from?
Glen Allan's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 649 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Lk Washington Trib No 2 Nr Marathon (river), Lk Washington Trib (river).
What Glen Allan residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Glen Allan's water.
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.
Glen Allan's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D3 — extreme droughtWashington County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Washington County has experienced 10 federally declared disasters since 1991. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
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. | 0.8 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Glen Allan compares by contaminant
Explore where Glen Allan ranks among all Mississippi cities for specific contaminants.
Water source & infrastructure
Where Glen Allan's water comes from
Glen Allan'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 public/private ownership and serves approximately 649 people through 1 water system.
Water bodies near Glen Allan
Glen Allan is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Glen Allan
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GLEN ALLAN UTILITY DISTRICT | MS0760003 | 649 | GW |
How Glen Allan compares
Full Mississippi rankings →Glen Allan's score of 86/100 is above the average of 54/100 among major Mississippi cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Mississippi rankings →About Glen Allan, MS
Learn more about your water
Guides and resources related to Glen Allan's water quality findings.
Explore water quality across Washington
Frequently asked questions
Is Glen Allan, MS tap water safe to drink?
Glen Allan's water quality earned a grade of A- (86/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #47 out of 320 cities tested in Mississippi.
What contaminants are in Glen Allan's water?
Lead was measured at 0.8 ppb (90th percentile). 80 violations are on record.
How is Glen Allan'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 Glen Allan?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Glen Allan's water come from?
Glen Allan's water is sourced from Groundwater. The city has 1 water system serving approximately 649 residents.
Is Glen Allan's groundwater at risk of contamination?
Glen Allan 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 80 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 Glen Allan's water compare to other cities?
Glen Allan ranks #47 out of 320 cities in Mississippi (better than 85% of state cities) and #5011 out of 15744 cities nationally (68th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Glen Allan's small water system affect quality?
Glen Allan's system serves approximately 649 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 80 violations on record.