Is Tullos, LA Tap Water Safe to Drink?
Graded D, with 27 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
47/100
Tullos, LA — Water Quality Report
Tullos's drinking water received a grade of D (47 out of 100), indicating poor water quality. The city's 1 water system serves approximately 792 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 124 violations on record, including 84 health-based violations. 27 remain unresolved.
What to know about Tullos's water
Tullos ranks #225 out of 309 cities in Louisiana for water quality, placing it below average in the state.
Tullos 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, Tullos may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 44 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Tullos, LA water safe to drink?
Tullos's drinking water has significant quality concerns based on EPA testing data. With a grade of D (47/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 792 residents using groundwater (wells).
Recent water quality updates for Tullos
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Tullos's water quality assessment. Grade: D (47/100).
2 health-based. Contaminants: Total Haloacetic Acids (HAA5), TTHM.
2 health-based. Contaminants: TTHM, Total Haloacetic Acids (HAA5).
2 health-based. Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Key contaminant findings
Based on the most recent EPA sampling data for Tullos's water supply.
Well within EPA limits.
Violation history
Tullos's water system has 124 total violations on record, including 84 health-based violations. 27 remain unresolved. 44 violations were issued in the last 5 years.
Where does Tullos's water come from?
Tullos's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 792 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Castor Creek At Tullos, La. (river), Little River At Rochelle, La. (river), Little River Near Rochelle (river).
What Tullos residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Tullos'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
Top industrial polluters within 10 miles of Tullos
Industrial polluters nearby
Reported releases to surface water by facilities near Tullos, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
LASALLE BIOENERGY LLC URANIA, LA71480 | — | — | 5.4 mi |
LASALLE LUMBER CO LLC - URANIA SAWMILL URANIA, LA71480 | — | — | 3.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
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 |
Lead level trend (90th percentile)
See how Tullos compares by contaminant
Explore where Tullos ranks among all Louisiana cities for specific contaminants.
Water source & infrastructure
Where Tullos's water comes from
Tullos'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 792 people through 1 water system.
Water bodies near Tullos
Tullos is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Tullos
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TOWN OF TULLOS WATER SYSTEM | LA1059010 | 792 | GW |
How Tullos compares
Full Louisiana rankings →Tullos's score of 47/100 is below the average of 53/100 among major Louisiana cities. It outscores 6 of 10 nearby cities.
Nearby cities
View Louisiana rankings →About Tullos, LA
Wikipedia →Tullos is a town in LaSalle and Winn parishes in the U.S. state of Louisiana, along Castor Creek. As of the 2020 census, Tullos had a population of 304.
Learn more about your water
Guides and resources related to Tullos's water quality findings.
Explore water quality across La Salle Parish
Frequently asked questions
Is Tullos, LA tap water safe to drink?
Tullos's water quality earned a grade of D (47/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #225 out of 309 cities tested in Louisiana.
What contaminants are in Tullos's water?
Lead was measured at 0.0 ppb (90th percentile). 124 violations are on record.
How is Tullos'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 Tullos?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Tullos's water come from?
Tullos's water is sourced from Groundwater. The city has 1 water system serving approximately 792 residents.
What health violations has Tullos's water system had?
Tullos has 84 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 27 violations remain unresolved.
Is Tullos's groundwater at risk of contamination?
Tullos 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 124 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 Tullos's water compare to other cities?
Tullos ranks #225 out of 309 cities in Louisiana (better than 27% of state cities) and #13787 out of 15744 cities nationally (12th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Tullos's small water system affect quality?
Tullos's system serves approximately 792 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 124 violations on record.