WaterVerge

Is Winnsboro, TX Tap Water Safe to Drink?

Graded B — but Manganese was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

13K residents served 2 water systems PWSID: TX2500020
Overall Score
77.8 / 100
Violations
11 active
Last Updated
May 2026
Source
Groundwater
#421 of 1067 in Texas Top 56% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
77.8/100
waterverge.com
B 77.8/100

Winnsboro, TX — Water Quality Report

Winnsboro's drinking water received a grade of B (77.8 out of 100), indicating good water quality. The city's 2 water systems serve approximately 12,725 residents using groundwater.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 35 violations on record, including 7 health-based violations. 11 remain unresolved.

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

What to know about Winnsboro's water

Winnsboro ranks #421 out of 1067 cities in Texas for water quality, placing it mid-range in the state.

Winnsboro 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.

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.

The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
77.8 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
31.3/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
16.4/20
B
1 PFAS compound detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Winnsboro, TX water safe to drink?

Concerns Identified

Winnsboro's drinking water has significant quality concerns based on EPA testing data. With a grade of B (77.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 12,725 residents using groundwater (wells).

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

Recent water quality updates for Winnsboro

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 Winnsboro's water quality assessment. Grade: B (77.8/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
2 drinking water violations recorded

Contaminants: Public Notice.

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 Winnsboro's water supply.

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

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 15.0000 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

Winnsboro's water system has 35 total violations on record, including 7 health-based violations. 11 remain unresolved. 6 violations were issued in the last 5 years.

OtherTTMRMONMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Jul 2024 Consumer Confidence Rule Open
Aug 2021 Public Notice Open
Aug 2021 Public Notice Open
Apr 2021 Lead and Copper Rule Open

Flood & environmental risk

Wood 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. Local water sources include Lk Cypress Spgs Nr Mount Vernon.

TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA DR-3540
SEVERE STORMS AND FLOODING
Flood FEMA DR-4269
HURRICANE IKE
Hurricane FEMA DR-3294

Where does Winnsboro's water come from?

Winnsboro's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 12,725 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Lk Cypress Spgs Nr Mount Vernon (lake).

What Winnsboro residents can do

Install a water filter

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

Winnsboro'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
lithium
PFAS / Forever Chemical
Near MCL
15.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
19.7 µg/L
EPA MCL: 60 µg/L · 33% of limit
Within LimitUCMR 4 DataHAA6Br: 19.3 µg/LHAA9: 35.1 µg/L
Manganese
Inorganic
Over SMCL
51.0 µg/L
EPA Secondary MCL: 50 µg/L · +2% over limit
Over SMCLUCMR 4 Data
Lithium
Inorganic
Detected
15.0 µg/L
State screening level: 60 µg/L · 25% 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

35
Total violations
7
Health-based
11
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

35 Total
11 Active
7 Health-based
24 Resolved
Violations by category
Inorganic Chemicals
8
Stage 1 Disinfectants and Disinfection Byproducts Rule
6
Lead and Copper Rule
5
Consumer Confidence Rule
3
Surface Water Treatment Rule
3
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Aug 2021 Active
Public Notice
Other Violation 0
Aug 2021 Active
Public Notice
Other Violation 0
Apr 2021 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Mar 2021 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Oct 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jan 2020 Resolved
Thallium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Beryllium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Antimony, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2020 Resolved
Chromium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Showing 20 of 35 violations
Industrial pollution

Top industrial polluters within 10 miles of Winnsboro

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
DAIRY FARMERS OF AMERICA KELLERS CREAMERY DIV
Food · DAIRY FARMERS OF AMERICA INC
WINNSBORO, TX75494
0.7 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Wood 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)
14.8%
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

4
Declared disasters
Aug 2020
Most recent
Hurricane
Most common type

Wood 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.

Aug 2020
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA #3540
Apr 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4269
Sep 2008
HURRICANE IKE
Hurricane FEMA #3294
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Recommended water filters

Based on contaminants detected in Winnsboro'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) 0.0 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 15.000 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 6.9 ppb from 1993 (6.9 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
12,725
Water Systems
2
Source breakdown
Groundwater
1
Surface Water
1
Water Source

Where Winnsboro's water comes from

Groundwater

Winnsboro'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 12,725 people through 2 water systems.

Local Hydrology

Water bodies near Winnsboro

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

Lk Cypress Spgs Nr Mount Vernon
lake
Infrastructure

Water systems serving Winnsboro

System Name PWSID Population Source
SHARON WSC TX2500020 9,111 GW
CITY OF WINNSBORO TX2500004 3,614 SW
Regional Comparison

How Winnsboro compares

Full Texas rankings →

Winnsboro's score of 77.8/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.

Winnsboro (this city)
77.8
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Winnsboro, TX

Wikipedia →

Winnsboro is a city in Franklin and Wood counties in northeastern Texas, United States, north of Tyler. The population was 3,455 at the 2020 census. Settlement of Winnsboro began in the 1850s with a post office established between 1854 and 1855.

Economic Profile
$53,983
Median Income
$114,417
Median Home Value
$964/mo
Median Rent
8.1%
Unemployment
Community
34.7
Median Age
354
People / sq mi
14.1%
College Educated
57%
Homeownership
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Frequently asked questions

Is Winnsboro, TX tap water safe to drink?

Winnsboro's water quality earned a grade of B (77.8/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #421 out of 1067 cities tested in Texas.

What contaminants are in Winnsboro's water?

Lead was measured at 0.0 ppb (90th percentile). 1 PFAS compound was detected. 35 violations are on record.

How is Winnsboro'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 Winnsboro?

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

Where does Winnsboro's water come from?

Winnsboro's water is sourced from Groundwater. The city has 2 water systems serving approximately 12,725 residents.

What health violations has Winnsboro's water system had?

Winnsboro has 7 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. 11 violations remain unresolved.

Is Winnsboro's groundwater at risk of contamination?

Winnsboro 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 35 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 Winnsboro's water compare to other cities?

Winnsboro ranks #421 out of 1067 cities in Texas (better than 61% of state cities) and #8872 out of 15744 cities nationally (44th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.