WaterVerge

Is Clayton, TX Tap Water Safe to Drink?

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

2K residents served 3 water systems PWSID: TX1830029
Overall Score
42 / 100
Violations
44 active
Last Updated
May 2026
Source
Purchased surface water
#967 of 1067 in Texas Top 95% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
42/100
waterverge.com
F 42/100

Clayton, TX — Water Quality Report

Clayton's drinking water received a grade of F (42 out of 100), indicating failing water quality. The city's 3 water systems serve approximately 1,650 residents using purchased surface water.

Lead levels were measured at 0.0 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 140 violations on record, including 29 health-based violations. 44 remain unresolved.

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

What to know about Clayton's water

Clayton ranks #967 out of 1067 cities in Texas for water quality, placing it among the lowest-rated 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.

As a small community water system, Clayton may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 18 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
42 out of 100 Grade F
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Clayton, TX water safe to drink?

Concerns Identified

Clayton's drinking water has significant quality concerns based on EPA testing data. With a grade of F (42/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 1,650 residents using surface water (rivers, lakes, or reservoirs).

44
Active Violations
0.0 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Clayton

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Clayton's water quality assessment. Grade: F (42/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
2 drinking water violations recorded

Contaminants: Lead and Copper Rule.

Disaster
HURRICANE BERYL

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

Disaster
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING

Federal disaster declaration (FEMA DR-4781). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.90 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Clayton's water system has 140 total violations on record, including 29 health-based violations. 44 remain unresolved. 18 violations were issued in the last 5 years.

MCLMRTTRPTOther
Most recent violations:
Oct 2025 TTHM Resolved
Jul 2025 TTHM Resolved
Dec 2024 Lead and Copper Rule Open
Dec 2024 Lead and Copper Rule Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Panola County has experienced 6 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 Murvaul Lk Nr Gary.

HURRICANE BERYL
Hurricane FEMA DR-4798
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA DR-3540

Where does Clayton's water come from?

Clayton's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 1,650 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Murvaul Lk Nr Gary (lake).

What Clayton residents can do

Install a water filter

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

Clayton'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
Copper (90th percentile)
Inorganic
Over Limit
1.90 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

140
Total violations
29
Health-based
44
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

140 Total
44 Active
29 Health-based
96 Resolved
10 SNC
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
51
Stage 2 Disinfectants and Disinfection Byproducts Rule
16
Lead and Copper Rule
16
Public Notice Rule and Revised PN Rule
12
Synthetic Organic Chemicals
12
Dec 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 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
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
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
Dec 2023 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2023 Active
Public Notice
Other Violation 0
Jun 2023 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2022 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2018 Active
Public Notice
Other Violation 0
Mar 2018 Active
Public Notice
Other Violation 0
Feb 2018 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2018 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Dec 2017 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Showing 20 of 140 violations
Environmental Risk

Drought conditions

D2 — severe drought

Panola 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)
14.2%
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

6
Declared disasters
Jul 2024
Most recent
Hurricane
Most common type

Panola County has experienced 6 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
May 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4781
Aug 2020
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA #3540
Sep 2008
HURRICANE IKE
Hurricane FEMA #1791
Sep 2008
HURRICANE IKE
Hurricane FEMA #3294
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Recommended water filters

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

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.90 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 3.6 ppb from 1993 (3.6 ppb) to 2024 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 1.900 mg/L (2017)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
1,650
Water Systems
3
Source breakdown
Groundwater
2
Purchased Surface Water
1
Water Source

Where Clayton's water comes from

Purchased Surface Water

Clayton'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 1,650 people through 3 water systems.

Local Hydrology

Water bodies near Clayton

Clayton is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Murvaul Lk Nr Gary
lake
Infrastructure

Water systems serving Clayton

System Name PWSID Population Source
CLAYTON WSC PLANT 2 TX1830029 1,137 SWP
CLAYTON WSC PLANT 3 AND 7 TX1830030 438 GW
CLAYTON WSC PLANT 1 TX1830005 75 GW
Regional Comparison

How Clayton compares

Full Texas rankings →

Clayton's score of 42/100 is on par with the average of 46/100 among major Texas cities. It outscores 7 of 10 nearby cities.

Clayton (this city)
42
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
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Frequently asked questions

Is Clayton, TX tap water safe to drink?

Clayton's water quality earned a grade of F (42/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #967 out of 1067 cities tested in Texas.

What contaminants are in Clayton's water?

Lead was measured at 0.0 ppb (90th percentile). 140 violations are on record.

How is Clayton'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 Clayton?

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

Where does Clayton's water come from?

Clayton's water is sourced from Purchased surface water. The city has 3 water systems serving approximately 1,650 residents.

What health violations has Clayton's water system had?

Clayton 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. 44 violations remain unresolved.

How does Clayton's water compare to other cities?

Clayton ranks #967 out of 1067 cities in Texas (better than 9% of state cities) and #14904 out of 15744 cities nationally (5th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.