Is Tivoli, TX Tap Water Safe to Drink?
Graded B, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
79.7/100
waterverge.com Tivoli, TX — Water Quality Report
Tivoli's drinking water received a grade of B (79.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 665 residents using groundwater.
Lead levels were measured at 0.3 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 44 violations on record, including 27 health-based violations. 9 remain unresolved.
What to know about Tivoli's water
Tivoli ranks #374 out of 1067 cities in Texas for water quality, placing it mid-range in the state.
Tivoli 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, Tivoli may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Tivoli, TX water safe to drink?
Tivoli's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 665 residents using groundwater (wells).
Recent water quality updates for Tivoli
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Tivoli's water quality assessment. Grade: B (79.7/100).
Contaminants: Consumer Confidence Rule, Lead and Copper Rule.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-4798). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3540). Hurricane event — may have impacted local water infrastructure.
Contaminants: E. COLI.
Key contaminant findings
Based on the most recent EPA sampling data for Tivoli's water supply.
Well within EPA limits.
Violation history
Tivoli's water system has 44 total violations on record, including 27 health-based violations. 9 remain unresolved. 3 violations were issued in the last 5 years.
Flood & environmental risk
Refugio County has experienced 10 federally declared disasters since 2005. 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 North End Of Gbra Calhoun Canal Nr Long Mott,Tx, Guadalupe Rv Nr Tivoli, Guadalupe Rv At Sh 35 Nr Tivoli.
Where does Tivoli's water come from?
Tivoli's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 665 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include North End Of Gbra Calhoun Canal Nr Long Mott,Tx (stream), Guadalupe Rv Nr Tivoli (river), Guadalupe Rv At Sh 35 Nr Tivoli (stream).
What Tivoli residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Tivoli'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.
Tivoli'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
Top industrial polluters within 10 miles of Tivoli
Industrial polluters nearby
Reported releases to surface water by facilities near Tivoli, ranked by pounds discharged annually.
Total reported releases to surface water: 37,390 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
UNION CARBIDE CORP SEADRIFT PLANT SEADRIFT, TX77983 | Ammonia | 37,385 | 7.6 mi |
SEADRIFT COKE LP PORT LAVACA, TX77979 | Toluene | 5 | 7.5 mi |
CALHOUN CHEMICALS LLC PORT LAVACA, TX77979 | — | — | 8.1 mi |
BRASKEM AMERICA INC SEADRIFT PLANT SEADRIFT, TX77983 | — | — | 7.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D3 — extreme droughtRefugio 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
Refugio County has experienced 10 federally declared disasters since 2005. 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. | 0.3 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Tivoli compares by contaminant
Explore where Tivoli ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Tivoli's water comes from
Tivoli'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 665 people through 1 water system.
Water bodies near Tivoli
Tivoli is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Tivoli
| System Name | PWSID | Population | Source |
|---|---|---|---|
| REFUGIO COUNTY WCID 1 | TX1960004 | 665 | GW |
How Tivoli compares
Full Texas rankings →Tivoli's score of 79.7/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Texas rankings →About Tivoli, TX
Learn more about your water
Guides and resources related to Tivoli's water quality findings.
Explore water quality across Refugio
Frequently asked questions
Is Tivoli, TX tap water safe to drink?
Tivoli's water quality earned a grade of B (79.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #374 out of 1067 cities tested in Texas.
What contaminants are in Tivoli's water?
Lead was measured at 0.3 ppb (90th percentile). 44 violations are on record.
How is Tivoli'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 Tivoli?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Tivoli's water come from?
Tivoli's water is sourced from Groundwater. The city has 1 water system serving approximately 665 residents.
What health violations has Tivoli's water system had?
Tivoli has 27 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.
Is Tivoli's groundwater at risk of contamination?
Tivoli 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 44 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 Tivoli's water compare to other cities?
Tivoli ranks #374 out of 1067 cities in Texas (better than 65% of state cities) and #8176 out of 15744 cities nationally (48th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Tivoli's small water system affect quality?
Tivoli's system serves approximately 665 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 44 violations on record.