WaterVerge

Is Naples, TX Tap Water Safe to Drink?

Graded D, with 11 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: TX1720003
Overall Score
48 / 100
Violations
11 active
Last Updated
May 2026
Source
Groundwater
#804 of 1067 in Texas Top 86% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
48/100
waterverge.com
D 48/100

Naples, TX — Water Quality Report

Naples's drinking water received a grade of D (48 out of 100), indicating poor water quality. The city's 1 water system serves approximately 1,908 residents using groundwater.

Lead levels were measured at 4.0 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 113 violations on record, including 1 health-based violation. 11 remain unresolved.

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

What to know about Naples's water

Naples ranks #804 out of 1067 cities in Texas for water quality, placing it among the lowest-rated in the state.

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

The system has seen 92 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
48 out of 100 Grade D
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
18/20
A
Lead at 4.0 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 Naples, TX water safe to drink?

Concerns Identified

Naples's drinking water has significant quality concerns based on EPA testing data. With a grade of D (48/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,908 residents using groundwater (wells).

11
Active Violations
4.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Naples

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Naples's water quality assessment. Grade: D (48/100).

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.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

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 Naples's water supply.

Lead Within Limits
Detected: 4.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Naples's water system has 113 total violations on record, including 1 health-based violation. 11 remain unresolved. 92 violations were issued in the last 5 years.

OtherTTRPTMR
Most recent violations:
May 2025 Public Notice Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Jul 2024 Consumer Confidence Rule Open
Jan 2024 1,1-Dichloroethylene Resolved

Flood & environmental risk

Morris 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 Sulphur Rv At Ih 30 Nr Dalby Springs, White Oak Ck At Ih 30 Nr Omaha.

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 Naples's water come from?

Naples's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,908 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sulphur Rv At Ih 30 Nr Dalby Springs (river), White Oak Ck At Ih 30 Nr Omaha (river).

What Naples residents can do

Install a water filter

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

Naples'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
4.0 ppb
EPA Action Level: 15 ppb · 27% of limit
Safe Level
Compliance Record

Violation summary

113
Total violations
1
Health-based
11
Active / unresolved
May 2025
Most recent violation
Compliance Record

Violations & advisories

113 Total
11 Active
1 Health-based
102 Resolved
Violations by category
Volatile Organic Chemicals
42
Synthetic Organic Chemicals
24
Inorganic Chemicals
17
Radionuclides and Revised Rad Rule
12
Lead and Copper Rule
4
May 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
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Oct 2021 Active
Public Notice
Other Violation 0
Jun 2020 Active
Public Notice
Other Violation 0
Apr 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Jan 2024 Resolved
1,1-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
trans-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
1,2-Dichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Trichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
1,1,2-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
CHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Benzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Ethylbenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Jan 2024 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Showing 20 of 113 violations
Industrial pollution

Top industrial polluters within 10 miles of Naples

Industrial polluters nearby

Reported releases to surface water by facilities near Naples, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
CRAFCO INC. - NAPLES
Petroleum · ERGON INC
NAPLES, TX75568
0.9 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Morris County is currently in D3 (extreme 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)
13.9%
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

5
Declared disasters
Jul 2024
Most recent
Hurricane
Most common type

Morris 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
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 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 4.0 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 decreased by 0.5 ppb from 1993 (4.5 ppb) to 2023 (4.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,908
Water Systems
1
Water Source

Where Naples's water comes from

Groundwater

Naples'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 1,908 people through 1 water system.

Local Hydrology

Water bodies near Naples

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

Sulphur Rv At Ih 30 Nr Dalby Springs
river
White Oak Ck At Ih 30 Nr Omaha
river
Infrastructure

Water systems serving Naples

System Name PWSID Population Source
CITY OF NAPLES TX1720003 1,908 GW
Regional Comparison

How Naples compares

Full Texas rankings →

Naples's score of 48/100 is on par with the average of 46/100 among major Texas cities. It outscores 7 of 10 nearby cities.

Naples (this city)
48
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Naples, TX

Wikipedia →

Naples is a city in Morris County, Texas, United States. The population was 1,387 at the 2020 census.

Economic Profile
$41,042
Median Income
$95,290
Median Home Value
$787/mo
Median Rent
7.2%
Unemployment
Community
37.4
Median Age
227
People / sq mi
10.9%
College Educated
58.7%
Homeownership
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Frequently asked questions

Is Naples, TX tap water safe to drink?

Naples's water quality earned a grade of D (48/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #804 out of 1067 cities tested in Texas.

What contaminants are in Naples's water?

Lead was measured at 4.0 ppb (90th percentile). 113 violations are on record.

How is Naples'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 Naples?

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

Where does Naples's water come from?

Naples's water is sourced from Groundwater. The city has 1 water system serving approximately 1,908 residents.

What health violations has Naples's water system had?

Naples has 1 health-based violation on record. The most recent violation was recorded in May 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.

Is Naples's groundwater at risk of contamination?

Naples 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 113 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 Naples's water compare to other cities?

Naples ranks #804 out of 1067 cities in Texas (better than 25% of state cities) and #13531 out of 15744 cities nationally (14th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Naples's small water system affect quality?

Naples's system serves approximately 1,908 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 113 violations on record.