Is Gilbert, LA Tap Water Safe to Drink?
Graded F — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
41/100
waterverge.com Gilbert, LA — Water Quality Report
Gilbert's drinking water received a grade of F (41 out of 100), indicating failing water quality. The city's 6 water systems serve approximately 11,001 residents using groundwater.
Lead levels were measured at 0.0 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 276 violations on record, including 158 health-based violations. 139 remain unresolved.
What to know about Gilbert's water
Gilbert ranks #280 out of 309 cities in Louisiana for water quality, placing it among the lowest-rated in the state.
Gilbert 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.
The system has seen 89 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Gilbert, LA water safe to drink?
Gilbert's drinking water has significant quality concerns based on EPA testing data. With a grade of F (41/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 6 water systems serve approximately 11,001 residents using groundwater (wells).
Recent water quality updates for Gilbert
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Gilbert's water quality assessment. Grade: F (41/100).
Contaminants: Lead and Copper Rule.
2 health-based. Contaminants: Public Notice, Groundwater Rule.
5 health-based. Contaminants: Groundwater Rule, TTHM.
Key contaminant findings
Based on the most recent EPA sampling data for Gilbert's water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Gilbert's water system has 276 total violations on record, including 158 health-based violations. 139 remain unresolved. 89 violations were issued in the last 5 years.
Where does Gilbert's water come from?
Gilbert's drinking water comes from groundwater (wells), supplied by 6 water systems serving approximately 11,001 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Bayou Macon Northeast Of Gilbert (river).
What Gilbert residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Gilbert'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.
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 droughtFranklin Parish 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.
Recommended water filters
Based on contaminants detected in Gilbert's water supply, we recommend the following filter types.
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. | 0.0 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.60 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Gilbert compares by contaminant
Explore where Gilbert ranks among all Louisiana cities for specific contaminants.
Water source & infrastructure
Where Gilbert's water comes from
Gilbert'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 private ownership and serves approximately 11,001 people through 6 water systems.
Water bodies near Gilbert
Gilbert is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Gilbert
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TURKEY CREEK WATER SYSTEM | LA1041012 | 3,429 | GW |
| WEST WINNSBORO WATER SYSTEM | LA1041009 | 3,078 | GW |
| SARDIS WATER SYSTEM | LA1111021 | 1,404 | GW |
| BEEKMAN WATER SYSTEM | LA1067018 | 1,275 | GW |
| GILBERT WATER SYSTEM | LA1041002 | 915 | GWP |
| HAMMOCK WATER SUPPLY | LA1079030 | 900 | GW |
How Gilbert compares
Full Louisiana rankings →Gilbert's score of 41/100 is below the average of 53/100 among major Louisiana cities. It outscores 3 of 10 nearby cities. 7 of 10 nearby cities score higher.
Nearby cities
View Louisiana rankings →About Gilbert, LA
Wikipedia →Gilbert is a village in Franklin Parish, Louisiana, United States. As of the 2020 census, Gilbert had a population of 449.
Learn more about your water
Guides and resources related to Gilbert's water quality findings.
Explore water quality across Franklin Parish
Frequently asked questions
Is Gilbert, LA tap water safe to drink?
Gilbert's water quality earned a grade of F (41/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #280 out of 309 cities tested in Louisiana.
What contaminants are in Gilbert's water?
Lead was measured at 0.0 ppb (90th percentile). 276 violations are on record.
How is Gilbert'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 Gilbert?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Gilbert's water come from?
Gilbert's water is sourced from Groundwater. The city has 6 water systems serving approximately 11,001 residents.
What health violations has Gilbert's water system had?
Gilbert has 158 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 139 violations remain unresolved.
Is Gilbert's groundwater at risk of contamination?
Gilbert 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 276 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 Gilbert's water compare to other cities?
Gilbert ranks #280 out of 309 cities in Louisiana (better than 9% of state cities) and #15048 out of 15744 cities nationally (4th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.