WaterVerge

Is Flatonia, TX Tap Water Safe to Drink?

Graded C+, with 14 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: TX0750002
Overall Score
69 / 100
Violations
14 active
Last Updated
May 2026
Source
Groundwater
#593 of 1067 in Texas Top 70% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
C+GRADE
Water Quality Grade
69/100
waterverge.com
C+ 69/100

Flatonia, TX — Water Quality Report

Flatonia's drinking water received a grade of C+ (69 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,969 residents using groundwater.

Lead levels were measured at 5.0 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 51 violations on record, including 34 health-based violations. 14 remain unresolved.

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

What to know about Flatonia's water

Flatonia ranks #593 out of 1067 cities in Texas for water quality, placing it below average in the state.

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

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
69 out of 100 Grade C+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
24/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 5.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Flatonia, TX water safe to drink?

Concerns Identified

Flatonia's drinking water has significant quality concerns based on EPA testing data. With a grade of C+ (69/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,969 residents using groundwater (wells).

14
Active Violations
5.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Flatonia

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Flatonia's water quality assessment. Grade: C+ (69/100).

Violation
2 drinking water violations recorded

Contaminants: Consumer Confidence Rule, Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Disaster
HURRICANE BERYL

Federal disaster declaration (FEMA DR-4798). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE HARVEY

Federal disaster declaration (FEMA DR-4332). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 5.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Flatonia's water system has 51 total violations on record, including 34 health-based violations. 14 remain unresolved. 7 violations were issued in the last 5 years.

OtherMRTTRPTMONMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Jul 2025 Chlorine Resolved
Jun 2025 Public Notice Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Fayette 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 Peach Ck At I-10 Nr Waelder, Peach Ck At Hwy 90 Nr Waelder.

HURRICANE BERYL
Hurricane FEMA DR-4798
HURRICANE HARVEY
Hurricane FEMA DR-4332
SEVERE STORMS AND FLOODING
Flood FEMA DR-4272

Where does Flatonia's water come from?

Flatonia's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,969 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Peach Ck At I-10 Nr Waelder (river), Peach Ck At Hwy 90 Nr Waelder (river).

What Flatonia residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Flatonia'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
5.0 ppb
EPA Action Level: 15 ppb · 33% of limit
Safe Level
Compliance Record

Violation summary

51
Total violations
34
Health-based
14
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

51 Total
14 Active
34 Health-based
37 Resolved
Violations by category
Arsenic Rule
33
Public Notice Rule and Revised PN Rule
8
Consumer Confidence Rule
2
Lead and Copper Rule Revisions
2
Total Coliform Rule
2
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jun 2025 Active
Public Notice
Other Violation 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Sep 2023 Active
Public Notice
Other Violation 0
May 2017 Active
Public Notice
Other Violation 0
Dec 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Aug 2012 Active
Public Notice
Other Violation 0
Jun 2012 Active
Public Notice
Other Violation 0
Mar 2012 Active
Public Notice
Other Violation 0
Nov 2011 Active
Public Notice
Other Violation 0
Nov 2011 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2025 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Aug 2022 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2022
Jul 2018 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Sep 2018
Apr 2018 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Jun 2018
Jan 2018 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Mar 2018
Oct 2017 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2017
Showing 20 of 51 violations
Environmental Risk

Drought conditions

D2 — severe drought

Fayette County is currently in D2 (severe 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)
19.6%
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

5
Declared disasters
Jul 2024
Most recent
Hurricane
Most common type

Fayette 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.

Jul 2024
HURRICANE BERYL
Hurricane FEMA #4798
Aug 2017
HURRICANE HARVEY
Hurricane FEMA #4332
Jun 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4272
Apr 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4269
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 5.0 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 increased by 2.2 ppb from 1993 (2.8 ppb) to 2023 (5.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,969
Water Systems
1
Water Source

Where Flatonia's water comes from

Groundwater

Flatonia'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 1,969 people through 1 water system.

Local Hydrology

Water bodies near Flatonia

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

Peach Ck At I-10 Nr Waelder
river
Peach Ck At Hwy 90 Nr Waelder
river
Infrastructure

Water systems serving Flatonia

System Name PWSID Population Source
CITY OF FLATONIA TX0750002 1,969 GW
Regional Comparison

How Flatonia compares

Full Texas rankings →

Flatonia's score of 69/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.

Flatonia (this city)
69
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Flatonia, TX

Economic Profile
$66,477
Median Income
$171,312
Median Home Value
$640/mo
Median Rent
0.3%
Unemployment
Community
40.4
Median Age
420
People / sq mi
10.4%
College Educated
80.2%
Homeownership
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Frequently asked questions

Is Flatonia, TX tap water safe to drink?

Flatonia's water quality earned a grade of C+ (69/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #593 out of 1067 cities tested in Texas.

What contaminants are in Flatonia's water?

Lead was measured at 5.0 ppb (90th percentile). 51 violations are on record.

How is Flatonia'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 Flatonia?

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

Where does Flatonia's water come from?

Flatonia's water is sourced from Groundwater. The city has 1 water system serving approximately 1,969 residents.

What health violations has Flatonia's water system had?

Flatonia has 34 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. 14 violations remain unresolved.

Is Flatonia's groundwater at risk of contamination?

Flatonia 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 51 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 Flatonia's water compare to other cities?

Flatonia ranks #593 out of 1067 cities in Texas (better than 44% of state cities) and #10994 out of 15744 cities nationally (30th percentile). The grade of C+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Flatonia's small water system affect quality?

Flatonia's system serves approximately 1,969 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 51 violations on record.