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 ↓
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.
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.
Water quality score
See methodology →Is Seymour, TX water safe to drink?
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).
Recent water quality updates for Seymour
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Seymour's water quality assessment. Grade: B+ (84.5/100).
Contaminants: Revised Total Coliform Rule.
Contaminants: Lead and Copper Rule.
Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.
Contaminants: Public Notice.
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.
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.
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.
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
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Seymour's water.
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.
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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D1 — moderate droughtBaylor 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
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.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.1 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Seymour compares by contaminant
Explore where Seymour ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Seymour's water comes from
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.
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.
Water systems serving Seymour
| System Name | PWSID | Population | Source |
|---|---|---|---|
| BAYLOR WSC | TX0120004 | 2,838 | GW |
| CITY OF SEYMOUR | TX0120001 | 2,576 | GW |
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.
Nearby cities
View Texas rankings →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.
Learn more about your water
Guides and resources related to Seymour's water quality findings.
Explore water quality across Baylor
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.