WaterVerge

Is Lexington, 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 ↓

2K residents served 2 water systems PWSID: TX1440002
Overall Score
77.7 / 100
Violations
10 active
Last Updated
May 2026
Source
Groundwater
#425 of 1067 in Texas Top 57% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
77.7/100
waterverge.com
B 77.7/100

Lexington, TX — Water Quality Report

Lexington's drinking water received a grade of B (77.7 out of 100), indicating good water quality. The city's 2 water systems serve approximately 2,376 residents using groundwater.

Lead levels were measured at 1.8 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 15 violations on record, including 2 health-based violations. 10 remain unresolved.

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

What to know about Lexington's water

Lexington ranks #425 out of 1067 cities in Texas for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
77.7 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
35.7/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.8 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 Lexington, TX water safe to drink?

Concerns Identified

Lexington's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,376 residents using groundwater (wells).

10
Active Violations
1.8 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Lexington

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Lexington's water quality assessment. Grade: B (77.7/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
2 drinking water violations recorded

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

Disaster
HURRICANE BERYL

Federal disaster declaration (FEMA DR-4798). Hurricane event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Key contaminant findings

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

Lead Within Limits
Detected: 1.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Lexington's water system has 15 total violations on record, including 2 health-based violations. 10 remain unresolved. 3 violations were issued in the last 5 years.

OtherTTRPTMONMRMCL
Most recent violations:
May 2025 Public Notice Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Nov 2020 Public Notice Open
Oct 2018 Revised Total Coliform Rule Resolved

Flood & environmental risk

Lee County has experienced 5 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 Middle Yegua Ck Nr Dime Box.

HURRICANE BERYL
Hurricane FEMA DR-4798
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
HURRICANE HARVEY
Hurricane FEMA DR-4332

Where does Lexington's water come from?

Lexington's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,376 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Middle Yegua Ck Nr Dime Box (river).

What Lexington residents can do

Install a water filter

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

Monitor alerts during storms

Lexington'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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.8 ppb
EPA Action Level: 15 ppb · 12% of limit
Safe Level
Compliance Record

Violation summary

15
Total violations
2
Health-based
10
Active / unresolved
May 2025
Most recent violation
Compliance Record

Violations & advisories

15 Total
10 Active
2 Health-based
5 Resolved
Violations by category
Public Notice Rule and Revised PN Rule
4
Lead and Copper Rule Revisions
2
Total Coliform Rule
2
Consumer Confidence Rule
2
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
May 2025 Active
Public Notice
Other Violation 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
Nov 2020 Active
Public Notice
Other Violation 0
Oct 2017 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
May 2012 Active
Public Notice
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2008 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Oct 2018
Mar 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 2012
Jul 2010 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2010
Oct 2009 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2009
Nov 2007 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2007
Environmental Risk

Drought conditions

D2 — severe drought

Lee 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.

14
Weeks at D2+ (current streak)
15.4%
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

5
Declared disasters
Jul 2024
Most recent
Hurricane
Most common type

Lee County has experienced 5 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2024
HURRICANE BERYL
Hurricane FEMA #4798
May 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4781
Aug 2017
HURRICANE HARVEY
Hurricane FEMA #4332
Jun 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4272
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.8 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 2.5 ppb from 1993 (4.3 ppb) to 2023 (1.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,376
Water Systems
2
Water Source

Where Lexington's water comes from

Groundwater

Lexington'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 2,376 people through 2 water systems.

Local Hydrology

Water bodies near Lexington

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

Middle Yegua Ck Nr Dime Box
river
Infrastructure

Water systems serving Lexington

System Name PWSID Population Source
CITY OF LEXINGTON TX1440002 2,376 GW
PLURIS ALABAMA LLC AL0001808 GW
Regional Comparison

How Lexington compares

Full Texas rankings →

Lexington's score of 77.7/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.

Lexington (this city)
77.7
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Lexington, TX

Wikipedia →

Lexington is a town in Lee County, Texas, United States. Its population was 1,217 at the 2020 census. Lexington, a cattle trading town, is approximately 40 miles (64 km) west of Bryan.

Economic Profile
$60,227
Median Income
$160,650
Median Home Value
$1,091/mo
Median Rent
2.4%
Unemployment
Community
46.5
Median Age
376
People / sq mi
7.5%
College Educated
60.2%
Homeownership
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Frequently asked questions

Is Lexington, TX tap water safe to drink?

Lexington's water quality earned a grade of B (77.7/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #425 out of 1067 cities tested in Texas.

What contaminants are in Lexington's water?

Lead was measured at 1.8 ppb (90th percentile). 15 violations are on record.

How is Lexington'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 Lexington?

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

Where does Lexington's water come from?

Lexington's water is sourced from Groundwater. The city has 2 water systems serving approximately 2,376 residents.

What health violations has Lexington's water system had?

Lexington has 2 health-based violations on record. The most recent violation was recorded in May 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.

Is Lexington's groundwater at risk of contamination?

Lexington 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 15 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 Lexington's water compare to other cities?

Lexington ranks #425 out of 1067 cities in Texas (better than 60% of state cities) and #8918 out of 15744 cities nationally (43th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.