WaterVerge

Is Tahoka, TX Tap Water Safe to Drink?

Graded F, with 136 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 2 water systems PWSID: TX1530002
Overall Score
44 / 100
Violations
136 active
Last Updated
May 2026
Source
Purchased surface water
#921 of 1067 in Texas Top 92% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
44/100
waterverge.com
F 44/100

Tahoka, TX — Water Quality Report

Tahoka's drinking water received a grade of F (44 out of 100), indicating failing water quality. The city's 2 water systems serve approximately 2,514 residents using purchased surface water.

Lead levels were measured at 5.5 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 477 violations on record, including 303 health-based violations. 136 remain unresolved.

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

What to know about Tahoka's water

Tahoka ranks #921 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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

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

The system has seen 138 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
44 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
18/20
A
Lead at 5.5 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 Tahoka, TX water safe to drink?

Concerns Identified

Tahoka's drinking water has significant quality concerns based on EPA testing data. With a grade of F (44/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,514 residents using surface water (rivers, lakes, or reservoirs).

136
Active Violations
5.5 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Tahoka

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Tahoka's water quality assessment. Grade: F (44/100).

Violation
3 drinking water violations recorded

3 health-based. Contaminants: Fluoride, Arsenic, Nitrate.

Violation
4 drinking water violations recorded

Contaminants: Lead and Copper Rule, Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

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

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

Disaster
HURRICANE ALEX

Federal disaster declaration (FEMA DR-1931). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Elevated
Detected: 5.5 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Violation history

Tahoka's water system has 477 total violations on record, including 303 health-based violations. 136 remain unresolved. 138 violations were issued in the last 5 years.

MCLMROtherMONTTRPT
Most recent violations:
Oct 2025 Fluoride Resolved
Oct 2025 Arsenic Resolved
Oct 2025 Nitrate Resolved
Sep 2025 Lead and Copper Rule Open
Sep 2025 Public Notice Open

Flood & environmental risk

Lynn County has experienced 3 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.

SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
HURRICANE ALEX
Hurricane FEMA DR-1931
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Tahoka's water come from?

Tahoka's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 2,514 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.

What Tahoka residents can do

Install a water filter

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

Tahoka'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
5.5 ppb
EPA Action Level: 15 ppb · 37% of limit
Safe Level
Compliance Record

Violation summary

477
Total violations
303
Health-based
136
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

477 Total
136 Active
303 Health-based
341 Resolved
5 SNC
Violations by category
Nitrate Rule
111
Inorganic Chemicals
106
Public Notice Rule and Revised PN Rule
83
Arsenic Rule
79
Lead and Copper Rule
25
Sep 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2025 Active
Public Notice
Other Violation 0
Sep 2025 Active
Public Notice
Other Violation 0
Sep 2025 Active
Public Notice
Other Violation 0
Aug 2025 Active
Public Notice
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
May 2025 Active
Public Notice
Other Violation 0
May 2025 Active
Public Notice
Other Violation 0
May 2025 Active
Public Notice
Other Violation 0
May 2025 Active
Public Notice
Other Violation 0
Apr 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Mar 2025 Active
Public Notice
Other Violation 0
Feb 2025 Active
Public Notice
Other Violation 0
Feb 2025 Active
Public Notice
Other Violation 0
Feb 2025 Active
Public Notice
Other Violation 0
Jan 2025 Active
TTHM
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2024 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Dec 2024 Active
Public Notice
Other Violation 0
Showing 20 of 477 violations
Environmental Risk

Drought conditions

D2 — severe drought

Lynn 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)
17.8%
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

3
Declared disasters
May 2024
Most recent
Hurricane
Most common type

Lynn County has experienced 3 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

May 2024
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA #4781
Aug 2010
HURRICANE ALEX
Hurricane FEMA #1931
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Recommended water filters

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

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 5.5 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 5.5 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 4.4 ppb from 1993 (1.1 ppb) to 2025 (5.5 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
2,514
Water Systems
2
Source breakdown
Purchased Surface Water
1
Groundwater
1
Water Source

Where Tahoka's water comes from

Purchased Surface Water

Tahoka'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 2,514 people through 2 water systems.

Infrastructure

Water systems serving Tahoka

System Name PWSID Population Source
CITY OF TAHOKA TX1530002 2,459 SWP
GRASSLAND WSC TX1530005 55 GW
Regional Comparison

How Tahoka compares

Full Texas rankings →

Tahoka's score of 44/100 is on par with the average of 46/100 among major Texas cities. It outscores 7 of 10 nearby cities.

Tahoka (this city)
44
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Tahoka, TX

Economic Profile
$41,282
Median Income
$100,628
Median Home Value
$1,043/mo
Median Rent
5.8%
Unemployment
Community
37.7
Median Age
396
People / sq mi
20.2%
College Educated
71.5%
Homeownership
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Frequently asked questions

Is Tahoka, TX tap water safe to drink?

Tahoka's water quality earned a grade of F (44/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #921 out of 1067 cities tested in Texas.

What contaminants are in Tahoka's water?

Lead was measured at 5.5 ppb (90th percentile). 477 violations are on record.

How is Tahoka'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 Tahoka?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

Where does Tahoka's water come from?

Tahoka's water is sourced from Purchased surface water. The city has 2 water systems serving approximately 2,514 residents.

What health violations has Tahoka's water system had?

Tahoka has 303 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. 136 violations remain unresolved.

How does Tahoka's water compare to other cities?

Tahoka ranks #921 out of 1067 cities in Texas (better than 14% of state cities) and #14475 out of 15744 cities nationally (8th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.