Is Tangipahoa, LA Tap Water Safe to Drink?
Graded B-, with 19 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
74/100
waterverge.com Tangipahoa, LA — Water Quality Report
Tangipahoa's drinking water received a grade of B- (74 out of 100), indicating fair water quality. The city's 1 water system serves approximately 748 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 45 violations on record, including 20 health-based violations. 19 remain unresolved.
What to know about Tangipahoa's water
Tangipahoa ranks #131 out of 309 cities in Louisiana for water quality, placing it mid-range in the state.
Tangipahoa 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, Tangipahoa may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Tangipahoa, LA water safe to drink?
Tangipahoa's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 748 residents using groundwater (wells).
Recent water quality updates for Tangipahoa
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Tangipahoa's water quality assessment. Grade: B- (74/100).
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Consumer Confidence Rule.
Contaminants: Public Notice.
Key contaminant findings
Based on the most recent EPA sampling data for Tangipahoa's water supply.
Well within EPA limits.
Violation history
Tangipahoa's water system has 45 total violations on record, including 20 health-based violations. 19 remain unresolved. 2 violations were issued in the last 5 years.
Where does Tangipahoa's water come from?
Tangipahoa's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 748 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Tangipahoa River (river), Tangipahoa River Near Kentwood (river), Tangipahoa River At Tangipahoa, La (river), Tangipahoa River Near Amite (river).
What Tangipahoa residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Tangipahoa'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 Tangipahoa
Industrial polluters nearby
Reported releases to surface water by facilities near Tangipahoa, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
KENTWOOD BRICK & TILE LLC KENTWOOD, LA70444 | — | — | 7.3 mi |
PURINA ANIMAL NUTRITION LLC - ARCOLA ROSELAND, LA70456 | — | — | 6.1 mi |
SMITTY'S SUPPLY INC ROSELAND, LA70456 | — | — | 6.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D2 — severe droughtTangipahoa Parish is currently in D2 (severe 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.
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 Tangipahoa compares by contaminant
Explore where Tangipahoa ranks among all Louisiana cities for specific contaminants.
Water source & infrastructure
Where Tangipahoa's water comes from
Tangipahoa'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 748 people through 1 water system.
Water bodies near Tangipahoa
Tangipahoa is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Tangipahoa
| System Name | PWSID | Population | Source |
|---|---|---|---|
| VILLAGE OF TANGIPAHOA WATER SYSTEM | LA1105026 | 748 | GW |
How Tangipahoa compares
Full Louisiana rankings →Tangipahoa's score of 74/100 is above the average of 53/100 among major Louisiana cities. It outscores 7 of 10 nearby cities.
Nearby cities
View Louisiana rankings →About Tangipahoa, LA
Wikipedia →Tangipahoa is a village in Tangipahoa Parish, Louisiana, United States. The population was 425 at the 2020 census. It was named after the Tangipahoa Native American tribe. Tangipahoa is part of the Hammond MSA.
Learn more about your water
Guides and resources related to Tangipahoa's water quality findings.
Explore water quality across Tangipahoa Parish
Frequently asked questions
Is Tangipahoa, LA tap water safe to drink?
Tangipahoa's water quality earned a grade of B- (74/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #131 out of 309 cities tested in Louisiana.
What contaminants are in Tangipahoa's water?
Lead was measured at 0.0 ppb (90th percentile). 45 violations are on record.
How is Tangipahoa'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 Tangipahoa?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Tangipahoa's water come from?
Tangipahoa's water is sourced from Groundwater. The city has 1 water system serving approximately 748 residents.
What health violations has Tangipahoa's water system had?
Tangipahoa has 20 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 19 violations remain unresolved.
Is Tangipahoa's groundwater at risk of contamination?
Tangipahoa 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 45 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 Tangipahoa's water compare to other cities?
Tangipahoa ranks #131 out of 309 cities in Louisiana (better than 58% of state cities) and #9967 out of 15744 cities nationally (37th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Tangipahoa's small water system affect quality?
Tangipahoa's system serves approximately 748 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 45 violations on record.