WaterVerge

Is Leroy, TX Tap Water Safe to Drink?

Graded D+, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: TX1550027
Overall Score
50 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#774 of 1067 in Texas Top 84% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
D+GRADE
Water Quality Grade
50/100
waterverge.com
D+ 50/100

Leroy, TX — Water Quality Report

Leroy's drinking water received a grade of D+ (50 out of 100), indicating poor water quality. The city's 1 water system serves approximately 1,680 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 104 violations on record, including 80 health-based violations. 6 remain unresolved.

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

What to know about Leroy's water

Leroy ranks #774 out of 1067 cities in Texas for water quality, placing it below average in the state.

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

The system has seen 20 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
50 out of 100 Grade D+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
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
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Leroy, TX water safe to drink?

Concerns Identified

Leroy's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (50/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,680 residents using groundwater (wells).

6
Active Violations
0.0 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Leroy

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Leroy's water quality assessment. Grade: D+ (50/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Arsenic.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Arsenic.

Violation
2 drinking water violations recorded

2 health-based. Contaminants: Arsenic.

Disaster
HURRICANE IKE

Federal disaster declaration (FEMA DR-3294). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE DEAN

Federal disaster declaration (FEMA DR-3277). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Leroy's water system has 104 total violations on record, including 80 health-based violations. 6 remain unresolved. 20 violations were issued in the last 5 years.

MCLOtherMR
Most recent violations:
Oct 2024 Arsenic Resolved
Jul 2024 Arsenic Resolved
Apr 2024 Arsenic Resolved
Apr 2024 Arsenic Resolved
Jan 2024 Arsenic Resolved

Flood & environmental risk

McLennan 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.

HURRICANE IKE
Hurricane FEMA DR-3294
HURRICANE DEAN
Hurricane FEMA DR-3277
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Leroy's water come from?

Leroy's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,680 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Leroy residents can do

Install a water filter

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

Leroy'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

104
Total violations
80
Health-based
6
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

104 Total
6 Active
80 Health-based
98 Resolved
Violations by category
Arsenic Rule
82
Stage 1 Disinfectants and Disinfection Byproducts Rule
13
Public Notice Rule and Revised PN Rule
4
Total Coliform Rule
3
Lead and Copper Rule
1
Mar 2016 Active
Public Notice
Other Violation 0
Sep 2011 Active
Public Notice
Other Violation 0
Oct 2010 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2008 Active
Public Notice
Other Violation 0
Jul 2008 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2024 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2024
Jul 2024 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Sep 2024
Apr 2024 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Jun 2024
Apr 2024 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Jun 2024
Jan 2024 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Mar 2024
Oct 2023 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2023
Jul 2023 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Sep 2023
Apr 2023 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Jun 2023
Jan 2023 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Mar 2023
Jan 2023 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Mar 2023
Oct 2022 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2022
Oct 2022 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2022
Jul 2022 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Sep 2022
Jul 2022 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Sep 2022
Showing 20 of 104 violations
Industrial pollution

Top industrial polluters within 10 miles of Leroy

Industrial polluters nearby

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

Total reported releases to surface water: 387,103 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
SANDERSON FARMS LLC
Food · SANDERSON FARMS LLC
WACO, TX76705
Nitrate compounds (water dissociable; reportable only when in aqueous solution)387,1037.9 mi
GHOLSON READY MIX
Nonmetallic Mineral Product · SMYRNA READY MIX LLC
WACO, TX76705
Lead And Lead Compounds010.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

McLennan County is currently in D1 (moderate 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.

16.9%
Months in D2+ (last 30y)
4
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

3
Declared disasters
Sep 2008
Most recent
Hurricane
Most common type

McLennan 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.

Sep 2008
HURRICANE IKE
Hurricane FEMA #3294
Aug 2007
HURRICANE DEAN
Hurricane FEMA #3277
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 4.8 ppb from 1993 (4.8 ppb) to 2025 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,680
Water Systems
1
Water Source

Where Leroy's water comes from

Groundwater

Leroy'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 1,680 people through 1 water system.

Infrastructure

Water systems serving Leroy

System Name PWSID Population Source
LEROY TOURS GERALD WSC TX1550027 1,680 GW
Regional Comparison

How Leroy compares

Full Texas rankings →

Leroy's score of 50/100 is on par with the average of 46/100 among major Texas cities. It outscores 7 of 10 nearby cities.

Leroy (this city)
50
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Leroy, TX

Wikipedia →

Leroy is a city in McLennan County, Texas, United States. The population was 354 at the 2020 census. It is part of the Waco Metropolitan Statistical Area.

Economic Profile
$79,500
Median Income
$199,095
Median Home Value
0.4%
Unemployment
Community
38.4
Median Age
90
People / sq mi
23.8%
College Educated
82.9%
Homeownership
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Frequently asked questions

Is Leroy, TX tap water safe to drink?

Leroy's water quality earned a grade of D+ (50/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #774 out of 1067 cities tested in Texas.

What contaminants are in Leroy's water?

Lead was measured at 0.0 ppb (90th percentile). 104 violations are on record.

How is Leroy'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 Leroy?

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

Where does Leroy's water come from?

Leroy's water is sourced from Groundwater. The city has 1 water system serving approximately 1,680 residents.

What health violations has Leroy's water system had?

Leroy has 80 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. 6 violations remain unresolved.

Is Leroy's groundwater at risk of contamination?

Leroy 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 104 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 Leroy's water compare to other cities?

Leroy ranks #774 out of 1067 cities in Texas (better than 27% of state cities) and #13137 out of 15744 cities nationally (17th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Leroy's small water system affect quality?

Leroy's system serves approximately 1,680 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 104 violations on record.