WaterVerge

Is Natalia, TX Tap Water Safe to Drink?

Graded B, with 10 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 1 water system PWSID: TX1630009
Overall Score
76.6 / 100
Violations
10 active
Last Updated
May 2026
Source
Groundwater
#452 of 1067 in Texas Top 59% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
76.6/100
waterverge.com
B 76.6/100

Natalia, TX — Water Quality Report

Natalia's drinking water received a grade of B (76.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,336 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 16 violations on record, including 1 health-based violation. 10 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Natalia's water

Natalia ranks #452 out of 1067 cities in Texas for water quality, placing it mid-range in the state.

Natalia 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, Natalia may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
76.6 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
34.6/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Natalia, TX water safe to drink?

Concerns Identified

Natalia's drinking water has significant quality concerns based on EPA testing data. With a grade of B (76.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,336 residents using groundwater (wells).

10
Active Violations
0.0 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Natalia

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Natalia's water quality assessment. Grade: B (76.6/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
TROPICAL STORM ALEX

Federal disaster declaration (FEMA DR-3313). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE RITA

Federal disaster declaration (FEMA DR-1606). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Natalia's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Natalia's water system has 16 total violations on record, including 1 health-based violation. 10 remain unresolved. 4 violations were issued in the last 5 years.

MRTTRPTOther
Most recent violations:
Dec 2025 Lead and Copper Rule Open
Jul 2025 Chlorine Resolved
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jul 2017 Chlorine Resolved

Flood & environmental risk

Medina County has experienced 2 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 Medina Rv At La Coste.

TROPICAL STORM ALEX
Hurricane FEMA DR-3313
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Natalia's water come from?

Natalia's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,336 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Medina Rv At La Coste (river).

What Natalia residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Natalia's water.

Request your utility's CCR

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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

16
Total violations
1
Health-based
10
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

16 Total
10 Active
1 Health-based
6 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
6
Lead and Copper Rule
3
Public Notice Rule and Revised PN Rule
3
Lead and Copper Rule Revisions
2
Consumer Confidence Rule
1
Dec 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Mar 2017 Active
Public Notice
Other Violation 0
Feb 2016 Active
Public Notice
Other Violation 0
Oct 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Feb 2015 Active
Public Notice
Other Violation 0
Oct 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2025 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jul 2017 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2017
Jul 2016 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2016
Jan 2016 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2016
Jul 2010 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2010
Oct 2008 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Industrial pollution

Top industrial polluters within 10 miles of Natalia

Industrial polluters nearby

Reported releases to surface water by facilities near Natalia, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
WILBUR-ELLIS CO DEVINE
Chemicals · WILBUR-ELLIS CO LLC
DEVINE, TX78016
4.3 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Medina 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.

14
Weeks at D2+ (current streak)
26.4%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

2
Declared disasters
Jun 2010
Most recent
Hurricane
Most common type

Medina County has experienced 2 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jun 2010
TROPICAL STORM ALEX
Hurricane FEMA #3313
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.2 ppb from 1993 (3.2 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,336
Water Systems
1
Water Source

Where Natalia's water comes from

Groundwater

Natalia'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 1,336 people through 1 water system.

Local Hydrology

Water bodies near Natalia

Natalia is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Medina Rv At La Coste
river
Infrastructure

Water systems serving Natalia

System Name PWSID Population Source
CITY OF NATALIA TX1630009 1,336 GW
Regional Comparison

How Natalia compares

Full Texas rankings →

Natalia's score of 76.6/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.

Natalia (this city)
76.6
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Natalia, TX

Economic Profile
$58,177
Median Income
$117,699
Median Home Value
$929/mo
Median Rent
7%
Unemployment
Community
31.7
Median Age
390
People / sq mi
5.2%
College Educated
73%
Homeownership
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Frequently asked questions

Is Natalia, TX tap water safe to drink?

Natalia's water quality earned a grade of B (76.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #452 out of 1067 cities tested in Texas.

What contaminants are in Natalia's water?

Lead was measured at 0.0 ppb (90th percentile). 16 violations are on record.

How is Natalia'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 Natalia?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Natalia's water come from?

Natalia's water is sourced from Groundwater. The city has 1 water system serving approximately 1,336 residents.

What health violations has Natalia's water system had?

Natalia has 1 health-based violation 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. 10 violations remain unresolved.

Is Natalia's groundwater at risk of contamination?

Natalia 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 16 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 Natalia's water compare to other cities?

Natalia ranks #452 out of 1067 cities in Texas (better than 58% of state cities) and #9252 out of 15744 cities nationally (41th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Natalia's small water system affect quality?

Natalia's system serves approximately 1,336 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 16 violations on record.