Is Nixon, TX Tap Water Safe to Drink?
Graded A-, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
86/100
waterverge.com Nixon, TX — Water Quality Report
Nixon's drinking water received a grade of A- (86 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,378 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 7 violations on record, including 1 health-based violation. 6 remain unresolved.
What to know about Nixon's water
Nixon ranks #170 out of 1067 cities in Texas for water quality, placing it above average in the state.
Nixon 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, Nixon may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Nixon, TX water safe to drink?
Nixon'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 2,378 residents using groundwater (wells).
Recent water quality updates for Nixon
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Nixon's water quality assessment. Grade: A- (86/100).
Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4332). Hurricane event — may have impacted local water infrastructure.
Contaminants: Public Notice.
Contaminants: E. COLI.
Contaminants: Consumer Confidence Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Nixon's water supply.
Well within EPA limits.
Violation history
Nixon's water system has 7 total violations on record, including 1 health-based violation. 6 remain unresolved.
Flood & environmental risk
Gonzales County has experienced 3 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 Sandies Ck At Fm 108 Nr Smiley.
Where does Nixon's water come from?
Nixon's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,378 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sandies Ck At Fm 108 Nr Smiley (river).
What Nixon residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Nixon'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.
Nixon'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 Nixon
Industrial polluters nearby
Reported releases to surface water by facilities near Nixon, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
LAZARUS REFINERY LLC NIXON, TX78140 | — | — | 1.3 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D2 — severe droughtGonzales County 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.
Flood & disaster history
Gonzales County has experienced 3 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Nixon compares by contaminant
Explore where Nixon ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Nixon's water comes from
Nixon'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 2,378 people through 1 water system.
Water bodies near Nixon
Nixon is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Nixon
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CITY OF NIXON | TX0890002 | 2,378 | GW |
How Nixon compares
Full Texas rankings →Nixon's score of 86/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Texas rankings →About Nixon, TX
Wikipedia →Nixon is a city, self-described as a "compact neighborhood," at U.S. Highway 87 and the junction of Karnes, Gonzales and Wilson counties; alongside the Clear Fork Creek in the Juan J. Tejada League, in the U.S. state of Texas. Approaching 100 city blocks, the Nixon urban-area is defined by its schools at its north-end in the neighborhood of Rancho; with the southwest boundary hosting its industrial park and meat packing facilities, upon the 87-corridor towards Pandora and the county seat of Floresville.
Learn more about your water
Guides and resources related to Nixon's water quality findings.
Explore water quality across Gonzales
Frequently asked questions
Is Nixon, TX tap water safe to drink?
Nixon'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 #170 out of 1067 cities tested in Texas.
What contaminants are in Nixon's water?
Lead was measured at 0.0 ppb (90th percentile). 7 violations are on record.
How is Nixon'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 Nixon?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Nixon's water come from?
Nixon's water is sourced from Groundwater. The city has 1 water system serving approximately 2,378 residents.
What health violations has Nixon's water system had?
Nixon has 1 health-based violation on record. The most recent violation was recorded in November 2015. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.
Is Nixon's groundwater at risk of contamination?
Nixon 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 7 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 Nixon's water compare to other cities?
Nixon ranks #170 out of 1067 cities in Texas (better than 84% of state cities) and #4987 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 Nixon's small water system affect quality?
Nixon's system serves approximately 2,378 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 7 violations on record.