WaterVerge

Is Willow Park, TX Tap Water Safe to Drink?

Graded B+, with 11 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

5K residents served 1 water system PWSID: TX1840027
Overall Score
84.8 / 100
Violations
11 active
Last Updated
May 2026
Source
Purchased surface water
#211 of 1067 in Texas Top 36% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.8/100
waterverge.com
B+ 84.8/100

Willow Park, TX — Water Quality Report

Willow Park's drinking water received a grade of B+ (84.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 4,936 residents using purchased surface water.

Lead levels were measured at 2.4 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 20 violations on record, including 3 health-based violations. 11 remain unresolved.

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

What to know about Willow Park's water

Willow Park ranks #211 out of 1067 cities in Texas for water quality, placing it above average in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
84.8 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.3/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.4 ppb (90th percentile).
Contaminants
17.5/20
B
1 PFAS compound detected.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Willow Park, TX water safe to drink?

Concerns Identified

Willow Park's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 4,936 residents using surface water (rivers, lakes, or reservoirs).

11
Active Violations
2.4 ppb
Lead (90th %ile)
1 compound
PFAS Detected
5 events
Disaster History

Recent water quality updates for Willow Park

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Willow Park's water quality assessment. Grade: B+ (84.8/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4272). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 2.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 59.5000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Willow Park's water system has 20 total violations on record, including 3 health-based violations. 11 remain unresolved. 3 violations were issued in the last 5 years.

OtherMRMCLMON
Most recent violations:
Mar 2022 Public Notice Open
Feb 2021 Public Notice Open
Jan 2021 Lead and Copper Rule Open
Jul 2020 Revised Total Coliform Rule Resolved
Jun 2020 Revised Total Coliform Rule Resolved

Flood & environmental risk

Parker 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 Lk Weatherford Nr Weatherford, Clear Fk Trinity Rv Nr Weatherford, Clear Fork Trinity Rv At Kelly Rd Nr Aledo.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4272
SEVERE STORMS AND FLOODING
Flood FEMA DR-4269
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA DR-4266

Where does Willow Park's water come from?

Willow Park's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 4,936 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Lk Weatherford Nr Weatherford (lake), Clear Fk Trinity Rv Nr Weatherford (river), Clear Fork Trinity Rv At Kelly Rd Nr Aledo (river).

What Willow Park residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Willow Park'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

Willow Park'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
2.4 ppb
EPA Action Level: 15 ppb · 16% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
59.5000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
59.5 µg/L
State screening level: 60 µg/L · 99% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

20
Total violations
3
Health-based
11
Active / unresolved
Mar 2022
Most recent violation
Compliance Record

Violations & advisories

20 Total
11 Active
3 Health-based
9 Resolved
Violations by category
Public Notice Rule and Revised PN Rule
7
Stage 1 Disinfectants and Disinfection Byproducts Rule
4
Total Coliform Rule
3
Lead and Copper Rule
2
Revised Total Coliform Rule
2
Mar 2022 Active
Public Notice
Other Violation 0
Feb 2021 Active
Public Notice
Other Violation 0
Jan 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Apr 2015 Active
Public Notice
Other Violation 0
Dec 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2014 Active
Public Notice
Other Violation 0
Mar 2010 Active
Public Notice
Other Violation 0
Oct 2009 Active
Public Notice
Other Violation 0
Aug 2008 Active
Public Notice
Other Violation 0
Jul 2003 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2020 Resolved
Revised Total Coliform Rule
Max Contaminant Level
Health-Based Health Resolved Jul 2020
Jun 2020 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2020
Oct 2019 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2019
Jul 2016 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2016
Oct 2014 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2014
Jul 2014 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2014
Oct 2009 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 2009
Aug 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2009
Apr 2008 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Apr 2008
Industrial pollution

Top industrial polluters within 10 miles of Willow Park

Industrial polluters nearby

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

Total reported releases to surface water: 751 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
PROVIMI NA INC
Food · CARGILL INC
WEATHERFORD, TX76086
Copper compounds7509.7 mi
LENNOX AES-WEATHERFORD
Fabricated Metals · LENNOX INTERNATIONAL INC
WEATHERFORD, TX76087
Copper15.7 mi
MM-MARKUM READY MIX
Nonmetallic Mineral Product · MARTIN MARIETTA MATERIALS INC
FORT WORTH, TX76126
Lead compounds08.9 mi
GD ENERGY PRODUCTS - ALEDO
Machinery · GD ENERGY PRODUCTS LLC
ALEDO, TX76008
2.8 mi
REDI-MIX - WEST FORT WORTH
Nonmetallic Mineral Product · SMYRNA READY MIX LLC
ALEDO, TX76008
7.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Willow Park

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Flood & disaster history

5
Declared disasters
Jun 2016
Most recent
Flood
Most common type

Parker 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.

Jun 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4272
Apr 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4269
Mar 2016
SEVERE STORMS, TORNADOES, AND FLOODING
Flood FEMA #4266
Sep 2008
HURRICANE IKE
Hurricane FEMA #3294
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Recommended water filters

Based on contaminants detected in Willow Park's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.4 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 59.500 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 0.4 ppb from 1993 (2.8 ppb) to 2025 (2.4 ppb).
Contaminant Rankings

See how Willow Park compares by contaminant

Explore where Willow Park ranks among all Texas cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
4,936
Water Systems
1
Water Source

Where Willow Park's water comes from

Purchased Surface Water

Willow Park's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by local government ownership and serves approximately 4,936 people through 1 water system.

Local Hydrology

Water bodies near Willow Park

Willow Park is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Lk Weatherford Nr Weatherford
lake
Clear Fk Trinity Rv Nr Weatherford
river
Clear Fork Trinity Rv At Kelly Rd Nr Aledo
river
Infrastructure

Water systems serving Willow Park

System Name PWSID Population Source
CITY OF WILLOW PARK TX1840027 4,936 SWP
Regional Comparison

How Willow Park compares

Full Texas rankings →

Willow Park's score of 84.8/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

Willow Park (this city)
84.8
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Willow Park, TX

Economic Profile
$104,931
Median Income
$305,959
Median Home Value
$2,303/mo
Median Rent
3.4%
Unemployment
Community
40.9
Median Age
303
People / sq mi
46.6%
College Educated
86.3%
Homeownership
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Frequently asked questions

Is Willow Park, TX tap water safe to drink?

Willow Park's water quality earned a grade of B+ (84.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #211 out of 1067 cities tested in Texas.

What contaminants are in Willow Park's water?

Lead was measured at 2.4 ppb (90th percentile). 1 PFAS compound was detected. 20 violations are on record.

How is Willow Park'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 Willow Park?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Willow Park's water come from?

Willow Park's water is sourced from Purchased surface water. The city has 1 water system serving approximately 4,936 residents.

What health violations has Willow Park's water system had?

Willow Park has 3 health-based violations on record. The most recent violation was recorded in March 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.

How does Willow Park's water compare to other cities?

Willow Park ranks #211 out of 1067 cities in Texas (better than 80% of state cities) and #5660 out of 15744 cities nationally (64th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.