WaterVerge

Is Palacios, TX Tap Water Safe to Drink?

Graded B, with 16 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

6K residents served 2 water systems PWSID: TX1610004
Overall Score
79.5 / 100
Violations
16 active
Last Updated
May 2026
Source
Groundwater
#379 of 1067 in Texas Top 52% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
79.5/100
waterverge.com
B 79.5/100

Palacios, TX — Water Quality Report

Palacios's drinking water received a grade of B (79.5 out of 100), indicating good water quality. The city's 2 water systems serve approximately 6,005 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 36 violations on record, including 9 health-based violations. 16 remain unresolved.

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

What to know about Palacios's water

Palacios ranks #379 out of 1067 cities in Texas for water quality, placing it mid-range in the state.

Palacios 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.

Quality Breakdown

Water quality score

See methodology →
79.5 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
33.3/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
18.2/20
A
1 PFAS compound detected.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Palacios, TX water safe to drink?

Concerns Identified

Palacios's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 6,005 residents using groundwater (wells).

16
Active Violations
0.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
9 events
Disaster History

Recent water quality updates for Palacios

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 Palacios's water quality assessment. Grade: B (79.5/100).

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.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

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 Palacios'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 21.5000 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

Palacios's water system has 36 total violations on record, including 9 health-based violations. 16 remain unresolved. 3 violations were issued in the last 5 years.

RPTTTMONMROtherMCL
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
May 2023 Revised Total Coliform Rule Resolved
Dec 2017 Lead and Copper Rule Open
Feb 2017 Public Notice Open

Flood & environmental risk

Matagorda County has experienced 9 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.

HURRICANE BERYL
Hurricane FEMA DR-4798
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA DR-3540
HURRICANE HANNA
Hurricane FEMA DR-3530

Where does Palacios's water come from?

Palacios's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 6,005 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Palacios residents can do

Install a water filter

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

Palacios'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
21.5000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
21.5 µg/L
State screening level: 60 µg/L · 36% 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

36
Total violations
9
Health-based
16
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

36 Total
16 Active
9 Health-based
20 Resolved
Violations by category
Total Coliform Rule
9
Stage 1 Disinfectants and Disinfection Byproducts Rule
9
Lead and Copper Rule
5
Public Notice Rule and Revised PN Rule
4
Lead and Copper Rule Revisions
2
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
Dec 2017 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Feb 2017 Active
Public Notice
Other Violation 0
Oct 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2016 Active
Public Notice
Other Violation 0
Feb 2016 Active
Public Notice
Other Violation 0
Feb 2016 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Feb 2016 Active
Public Notice
Other Violation 0
Oct 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Dec 2013 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2013 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
May 2023 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2023
Feb 2016 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Feb 2016
Jan 2015 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jan 2015
Dec 2013 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Dec 2013
Showing 20 of 36 violations
Environmental Risk

Drought conditions

D2 — severe drought

Jackson 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)
16.9%
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

9
Declared disasters
Jul 2024
Most recent
Hurricane
Most common type

Matagorda County has experienced 9 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 2020
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA #3540
Jul 2020
HURRICANE HANNA
Hurricane FEMA #3530
Aug 2017
HURRICANE HARVEY
Hurricane FEMA #4332
Sep 2008
HURRICANE IKE
Hurricane FEMA #1791
Sep 2008
HURRICANE IKE
Hurricane FEMA #3294

Recommended water filters

Based on contaminants detected in Palacios'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 21.500 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 3.5 ppb from 1993 (3.5 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
6,005
Water Systems
2
Water Source

Where Palacios's water comes from

Groundwater

Palacios'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 6,005 people through 2 water systems.

Infrastructure

Water systems serving Palacios

System Name PWSID Population Source
CITY OF PALACIOS TX1610004 4,700 GW
CAPE CARANCAHUA WSC TX1200022 1,305 GW
Regional Comparison

How Palacios compares

Full Texas rankings →

Palacios's score of 79.5/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

Palacios (this city)
79.5
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Palacios, TX

Economic Profile
$59,469
Median Income
$913/mo
Median Rent
0%
Unemployment
Community
40.5
Median Age
312
People / sq mi
20.7%
College Educated
72.2%
Homeownership
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Frequently asked questions

Is Palacios, TX tap water safe to drink?

Palacios's water quality earned a grade of B (79.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #379 out of 1067 cities tested in Texas.

What contaminants are in Palacios's water?

Lead was measured at 0.0 ppb (90th percentile). 1 PFAS compound was detected. 36 violations are on record.

How is Palacios'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 Palacios?

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

Where does Palacios's water come from?

Palacios's water is sourced from Groundwater. The city has 2 water systems serving approximately 6,005 residents.

What health violations has Palacios's water system had?

Palacios has 9 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 16 violations remain unresolved.

Is Palacios's groundwater at risk of contamination?

Palacios 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 36 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 Palacios's water compare to other cities?

Palacios ranks #379 out of 1067 cities in Texas (better than 64% of state cities) and #8230 out of 15744 cities nationally (48th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.