WaterVerge

Is Maypearl, TX Tap Water Safe to Drink?

Graded B, with 18 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

994 residents served 1 water system PWSID: TX0700004
Overall Score
78.5 / 100
Violations
18 active
Last Updated
May 2026
Source
Groundwater
#404 of 1067 in Texas Top 55% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.5/100
waterverge.com
B 78.5/100

Maypearl, TX — Water Quality Report

Maypearl's drinking water received a grade of B (78.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 994 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 23 violations on record, including 3 health-based violations. 18 remain unresolved.

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

What to know about Maypearl's water

Maypearl ranks #404 out of 1067 cities in Texas for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
78.5 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
36.5/45
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 Maypearl, TX water safe to drink?

Concerns Identified

Maypearl's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 994 residents using groundwater (wells).

18
Active Violations
0.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Maypearl

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Maypearl's water quality assessment. Grade: B (78.5/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

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: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
TROPICAL STORMS MARCO AND LAURA

Federal disaster declaration (FEMA DR-3540). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Violation history

Maypearl's water system has 23 total violations on record, including 3 health-based violations. 18 remain unresolved. 4 violations were issued in the last 5 years.

OtherMRMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Dec 2023 Lead and Copper Rule Open
Jul 2023 Consumer Confidence Rule Open
Mar 2021 Public Notice Open
Dec 2020 Lead and Copper Rule Open

Flood & environmental risk

Ellis County has experienced 4 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.

SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA DR-3540
HURRICANE IKE
Hurricane FEMA DR-3294

Where does Maypearl's water come from?

Maypearl's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 994 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Maypearl residents can do

Install a water filter

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

Maypearl'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

23
Total violations
3
Health-based
18
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

23 Total
18 Active
3 Health-based
5 Resolved
Violations by category
Lead and Copper Rule
6
Public Notice Rule and Revised PN Rule
6
Consumer Confidence Rule
4
Total Coliform Rule
3
Inorganic Chemicals
2
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Dec 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Mar 2021 Active
Public Notice
Other Violation 0
Dec 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Feb 2016 Active
Public Notice
Other Violation 0
Oct 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
May 2013 Active
Public Notice
Other Violation 0
May 2013 Active
Public Notice
Other Violation 0
Jan 2013 Active
Public Notice
Other Violation 0
Dec 2012 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2012 Active
Public Notice
Other Violation 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2013
Dec 2012 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2012
Showing 20 of 23 violations
Industrial pollution

Top industrial polluters within 10 miles of Maypearl

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CMC STEEL FABRICATORS INC (DBA CMC COATINGS)
Fabricated Metals · COMMERCIAL METALS CO
WAXAHACHIE, TX75165
9.7 mi
1I BRANCH - SPECIALTY SERVICES COMPLEX
Chemicals · UNIVAR SOLUTIONS USA INC
WAXAHACHIE, TX75167
5.3 mi
BUCKLEY OIL CO - MIDLOTHIAN SITE
Chemical Wholesalers · BUCKLEY OIL CO
MIDLOTHIAN, TX76065
9.5 mi
MM-MIDLOTHIAN RAILPORT READY MIX
Nonmetallic Mineral Product · MARTIN MARIETTA MATERIALS INC
MIDLOTHIAN, TX76065
9.5 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Ellis 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.

15.7%
Months in D2+ (last 30y)
5
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

4
Declared disasters
May 2024
Most recent
Hurricane
Most common type

Ellis County has experienced 4 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4781
Aug 2020
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA #3540
Sep 2008
HURRICANE IKE
Hurricane FEMA #3294
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 1.0 ppb from 1994 (1.0 ppb) to 2023 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
994
Water Systems
1
Water Source

Where Maypearl's water comes from

Groundwater

Maypearl'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 994 people through 1 water system.

Infrastructure

Water systems serving Maypearl

System Name PWSID Population Source
CITY OF MAYPEARL TX0700004 994 GW
Regional Comparison

How Maypearl compares

Full Texas rankings →

Maypearl's score of 78.5/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

Maypearl (this city)
78.5
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Maypearl, TX

Wikipedia →

Maypearl is a city in Ellis County, Texas, United States. Its population was 939 in 2020.

Economic Profile
$77,727
Median Income
$1,537/mo
Median Rent
7.9%
Unemployment
Community
29.6
Median Age
509
People / sq mi
18.9%
College Educated
50%
Homeownership
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Frequently asked questions

Is Maypearl, TX tap water safe to drink?

Maypearl's water quality earned a grade of B (78.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #404 out of 1067 cities tested in Texas.

What contaminants are in Maypearl's water?

Lead was measured at 0.0 ppb (90th percentile). 23 violations are on record.

How is Maypearl'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 Maypearl?

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

Where does Maypearl's water come from?

Maypearl's water is sourced from Groundwater. The city has 1 water system serving approximately 994 residents.

What health violations has Maypearl's water system had?

Maypearl has 3 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. 18 violations remain unresolved.

Is Maypearl's groundwater at risk of contamination?

Maypearl 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 23 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 Maypearl's water compare to other cities?

Maypearl ranks #404 out of 1067 cities in Texas (better than 62% of state cities) and #8677 out of 15744 cities nationally (45th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Maypearl's small water system affect quality?

Maypearl's system serves approximately 994 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 23 violations on record.