WaterVerge

Is Seymour, TX Tap Water Safe to Drink?

Graded B+, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

5K residents served 2 water systems PWSID: TX0120004
Overall Score
84.5 / 100
Violations
7 active
Last Updated
May 2026
Source
Groundwater
#227 of 1067 in Texas Top 37% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84.5/100
waterverge.com
B+ 84.5/100

Seymour, TX — Water Quality Report

Seymour's drinking water received a grade of B+ (84.5 out of 100), indicating good water quality. The city's 2 water systems serve approximately 5,414 residents using groundwater.

Lead levels were measured at 1.1 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 43 violations on record, including 29 health-based violations. 7 remain unresolved.

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

What to know about Seymour's water

Seymour ranks #227 out of 1067 cities in Texas for water quality, placing it above average in the state.

Seymour 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.

Quality Breakdown

Water quality score

See methodology →
84.5 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
34.5/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.1 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 Seymour, TX water safe to drink?

Concerns Identified

Seymour's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 5,414 residents using groundwater (wells).

7
Active Violations
1.1 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Seymour

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Seymour's water quality assessment. Grade: B+ (84.5/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper 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: Public Notice.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4416). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Seymour's water system has 43 total violations on record, including 29 health-based violations. 7 remain unresolved. 4 violations were issued in the last 5 years.

MONMROtherMCL
Most recent violations:
Oct 2025 Revised Total Coliform Rule Resolved
Oct 2024 Lead and Copper Rule Open
Feb 2024 Public Notice Open
Jan 2023 Revised Total Coliform Rule Resolved
Jun 2019 Revised Total Coliform Rule Resolved

Flood & environmental risk

Baylor 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. Local water sources include Wichita Rv Nr Seymour, Brazos Rv At Seymour.

SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
SEVERE STORMS AND FLOODING
Flood FEMA DR-4416
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Seymour's water come from?

Seymour's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 5,414 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Wichita Rv Nr Seymour (river), Brazos Rv At Seymour (river).

What Seymour residents can do

Install a water filter

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

Seymour'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
1.1 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

43
Total violations
29
Health-based
7
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

43 Total
7 Active
29 Health-based
36 Resolved
Violations by category
Nitrate Rule
28
Lead and Copper Rule
4
Revised Total Coliform Rule
3
Total Coliform Rule
3
Public Notice Rule and Revised PN Rule
2
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Feb 2024 Active
Public Notice
Other Violation 0
Feb 2017 Active
Public Notice
Other Violation 0
Oct 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Oct 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Oct 2025
Jan 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jan 2023
Jun 2019 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2019
Nov 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2015
Apr 2015 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2015
Jan 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 2009
Oct 2008 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 1999 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Dec 1999
Jan 1999 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Dec 1999
Jan 1999 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Dec 1999
Jan 1999 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Dec 1999
Oct 1998 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Dec 1998
Jul 1998 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Sep 1998
Showing 20 of 43 violations
Environmental Risk

Drought conditions

D1 — moderate drought

Baylor 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.

15.4%
Months in D2+ (last 30y)
11
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
May 2024
Most recent
Flood
Most common type

Baylor 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.

May 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4781
Feb 2019
SEVERE STORMS AND FLOODING
Flood FEMA #4416
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.1 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 0.7 ppb from 1993 (1.8 ppb) to 2025 (1.1 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
5,414
Water Systems
2
Water Source

Where Seymour's water comes from

Groundwater

Seymour'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 5,414 people through 2 water systems.

Local Hydrology

Water bodies near Seymour

Seymour is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Wichita Rv Nr Seymour
river
Brazos Rv At Seymour
river
Infrastructure

Water systems serving Seymour

System Name PWSID Population Source
BAYLOR WSC TX0120004 2,838 GW
CITY OF SEYMOUR TX0120001 2,576 GW
Regional Comparison

How Seymour compares

Full Texas rankings →

Seymour's score of 84.5/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

Seymour (this city)
84.5
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Seymour, TX

Wikipedia →

Seymour is a city in and the county seat of Baylor County, Texas, United States. Its population was 2,575 as of the 2020 Census.

Economic Profile
$53,077
Median Income
$118,610
Median Home Value
$498/mo
Median Rent
0.5%
Unemployment
Community
47
Median Age
368
People / sq mi
18.8%
College Educated
68.7%
Homeownership
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Frequently asked questions

Is Seymour, TX tap water safe to drink?

Seymour's water quality earned a grade of B+ (84.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #227 out of 1067 cities tested in Texas.

What contaminants are in Seymour's water?

Lead was measured at 1.1 ppb (90th percentile). 43 violations are on record.

How is Seymour'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 Seymour?

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

Where does Seymour's water come from?

Seymour's water is sourced from Groundwater. The city has 2 water systems serving approximately 5,414 residents.

What health violations has Seymour's water system had?

Seymour has 29 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 7 violations remain unresolved.

Is Seymour's groundwater at risk of contamination?

Seymour 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 43 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 Seymour's water compare to other cities?

Seymour ranks #227 out of 1067 cities in Texas (better than 79% of state cities) and #5844 out of 15744 cities nationally (63th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.