WaterVerge

Is Nash, TX Tap Water Safe to Drink?

Graded A-, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

4K residents served 1 water system PWSID: TX0190006
Overall Score
85.5 / 100
Violations
9 active
Last Updated
May 2026
Source
Purchased surface water
#188 of 1067 in Texas Top 34% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.5/100
waterverge.com
A- 85.5/100

Nash, TX — Water Quality Report

Nash's drinking water received a grade of A- (85.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,818 residents using purchased surface water.

Lead levels were measured at 1.5 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 15 violations on record, including 3 health-based violations. 9 remain unresolved.

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

What to know about Nash's water

Nash ranks #188 out of 1067 cities in Texas for water quality, placing it above average 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.

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 →
85.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.5 ppb (90th percentile).
Contaminants
17.5/20
B
1 PFAS compound detected.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Nash, TX water safe to drink?

Concerns Identified

Nash's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,818 residents using surface water (rivers, lakes, or reservoirs).

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

Recent water quality updates for Nash

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 Nash's water quality assessment. Grade: A- (85.5/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence 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.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 1.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: PFBA at 0.0058 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

Nash's water system has 15 total violations on record, including 3 health-based violations. 9 remain unresolved. 1 violation was issued in the last 5 years.

OtherMRMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Oct 2019 Lead and Copper Rule Open
Dec 2016 Lead and Copper Rule Open
Oct 2015 Lead and Copper Rule Open
Jan 2013 Public Notice Open

Flood & environmental risk

Bowie County has experienced 7 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 Red River At Index, Wright Patman Lk Nr Texarkana, Sulphur Rv Nr Texarkana.

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 Nash's water come from?

Nash's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 3,818 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Red River At Index (river), Wright Patman Lk Nr Texarkana (lake), Sulphur Rv Nr Texarkana (river).

What Nash residents can do

Install a water filter

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

Nash'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
1.5 ppb
EPA Action Level: 15 ppb · 10% of limit
Safe Level
PFBA
PFAS / Forever Chemical
Near MCL
0.0058 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

15
Total violations
3
Health-based
9
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

15 Total
9 Active
3 Health-based
6 Resolved
Violations by category
Stage 1 Disinfectants and Disinfection Byproducts Rule
5
Consumer Confidence Rule
4
Lead and Copper Rule
3
Public Notice Rule and Revised PN Rule
1
Total Coliform Rule
1
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Oct 2019 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2013 Active
Public Notice
Other Violation 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Jan 2009 Active
Consumer Confidence Rule
Other Violation 0
Jul 2001 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2010 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2010
Oct 2008 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Apr 2008 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Jun 2008
Jan 2008 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2008
Oct 2007 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2007
Aug 2004 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2004
Industrial pollution

Top industrial polluters within 10 miles of Nash

Industrial polluters nearby

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

Total reported releases to surface water: 57 lbs

FacilityTop chemicalTo surface water (lbs/yr)Distance
TCI TEXARKANA INC.
Primary Metals · TA CHEN INTERNATIONAL INC
NASH, TX75569
Manganese370.3 mi
THE GOODYEAR TIRE & RUBBER CO
Plastics and Rubber · THE GOODYEAR TIRE & RUBBER CO
TEXARKANA, AR71854
Cobalt compounds117.8 mi
DAY & ZIMMERMANN LONE STAR LLC
Fabricated Metals · NA
TEXARKANA, TX75501
Lead And Lead Compounds94.4 mi
THE STERNO GROUP LLC
Chemicals · THE STERNO GROUP
TEXARKANA, TX75501
3.5 mi
U.S. ARMY RED RIVER ARMY DEPOT
Other · US DEPARTMENT OF DEFENSE
TEXARKANA, TX75507
3.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Nash

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D3 — extreme drought

Bowie 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)
15.4%
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

7
Declared disasters
Jul 2024
Most recent
Hurricane
Most common type

Bowie County has experienced 7 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
Aug 2008
HURRICANE GUSTAV
Hurricane FEMA #3290

Recommended water filters

Based on contaminants detected in Nash'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) 1.5 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 ND HI µg/L PFAS Not 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 0.006 HI µg/L PFAS 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 35.8 ppb from 1993 (37.3 ppb) to 2023 (1.5 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
3,818
Water Systems
1
Water Source

Where Nash's water comes from

Purchased Surface Water

Nash'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 3,818 people through 1 water system.

Local Hydrology

Water bodies near Nash

Nash is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Red River At Index
river
Wright Patman Lk Nr Texarkana
lake
Sulphur Rv Nr Texarkana
river
Infrastructure

Water systems serving Nash

System Name PWSID Population Source
CITY OF NASH TX0190006 3,818 SWP
Regional Comparison

How Nash compares

Full Texas rankings →

Nash's score of 85.5/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

Nash (this city)
85.5
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Nash, TX

Economic Profile
$36,804
Median Income
$889/mo
Median Rent
3.3%
Unemployment
Community
29.8
Median Age
332
People / sq mi
15.1%
College Educated
62.1%
Homeownership
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Frequently asked questions

Is Nash, TX tap water safe to drink?

Nash's water quality earned a grade of A- (85.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #188 out of 1067 cities tested in Texas.

What contaminants are in Nash's water?

Lead was measured at 1.5 ppb (90th percentile). 1 PFAS compound was detected. 15 violations are on record.

How is Nash'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 Nash?

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

Where does Nash's water come from?

Nash's water is sourced from Purchased surface water. The city has 1 water system serving approximately 3,818 residents.

What health violations has Nash's water system had?

Nash has 3 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. 9 violations remain unresolved.

How does Nash's water compare to other cities?

Nash ranks #188 out of 1067 cities in Texas (better than 82% of state cities) and #5283 out of 15744 cities nationally (66th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.