WaterVerge

Is Earth, TX Tap Water Safe to Drink?

Graded B+, with 6 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

937 residents served 1 water system PWSID: TX1400002
Overall Score
80.1 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#358 of 1067 in Texas Top 51% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
80.1/100
waterverge.com
B+ 80.1/100

Earth, TX — Water Quality Report

Earth's drinking water received a grade of B+ (80.1 out of 100), indicating good water quality. The city's 1 water system serves approximately 937 residents using groundwater.

Lead levels were measured at 0.6 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 14 violations on record, including 5 health-based violations. 6 remain unresolved.

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

What to know about Earth's water

Earth ranks #358 out of 1067 cities in Texas for water quality, placing it mid-range in the state.

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

The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
80.1 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
35.1/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.6 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Earth, TX water safe to drink?

Concerns Identified

Earth's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (80.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 937 residents using groundwater (wells).

6
Active Violations
0.6 ppb
Lead (90th %ile)
2 events
Disaster History

Recent water quality updates for Earth

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Earth's water quality assessment. Grade: B+ (80.1/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Nitrate.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Nitrate.

Disaster
HURRICANE ALEX

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

Disaster
HURRICANE RITA

Federal disaster declaration (FEMA DR-1606). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.6 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Earth's water system has 14 total violations on record, including 5 health-based violations. 6 remain unresolved. 6 violations were issued in the last 5 years.

OtherMCLMR
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Apr 2023 Nitrate Resolved
Jan 2023 Nitrate Resolved
Dec 2022 Public Notice Open
Dec 2021 Public Notice Open

Flood & environmental risk

Lamb County has experienced 2 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 ALEX
Hurricane FEMA DR-1931
HURRICANE RITA
Hurricane FEMA DR-1606

Where does Earth's water come from?

Earth's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 937 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Earth residents can do

Install a water filter

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

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
0.6 ppb
EPA Action Level: 15 ppb · 4% of limit
Safe Level
Compliance Record

Violation summary

14
Total violations
5
Health-based
6
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

14 Total
6 Active
5 Health-based
8 Resolved
Violations by category
Nitrate Rule
3
Inorganic Chemicals
3
Public Notice Rule and Revised PN Rule
2
Lead and Copper Rule
2
Consumer Confidence Rule
1
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Dec 2022 Active
Public Notice
Other Violation 0
Dec 2021 Active
Public Notice
Other Violation 0
Oct 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Apr 2023 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Jun 2023
Jan 2023 Resolved
Nitrate
Max Contaminant Level
Health-Based Health Resolved Mar 2023
Jul 2018 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2018
Oct 2008 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 1992 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 1992
Oct 1983 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Oct 1984
Oct 1978 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Oct 1979
Oct 1978 Resolved
Fluoride
Max Contaminant Level
Health-Based Health Resolved Nov 1978
Industrial pollution

Top industrial polluters within 10 miles of Earth

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
SOUTHWESTERN PUBLIC SERVICE CO TOLK STATION
Electric Utilities · XCEL ENERGY
EARTH, TX79031
9.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Lamb 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)
19.9%
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

2
Declared disasters
Aug 2010
Most recent
Hurricane
Most common type

Lamb County has experienced 2 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2010
HURRICANE ALEX
Hurricane FEMA #1931
Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.6 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 3.3 ppb from 1993 (3.9 ppb) to 2025 (0.6 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
937
Water Systems
1
Water Source

Where Earth's water comes from

Groundwater

Earth'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 937 people through 1 water system.

Infrastructure

Water systems serving Earth

System Name PWSID Population Source
CITY OF EARTH TX1400002 937 GW
Regional Comparison

How Earth compares

Full Texas rankings →

Earth's score of 80.1/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

Earth (this city)
80.1
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Earth, TX

Economic Profile
$52,386
Median Income
$78,629
Median Home Value
$804/mo
Median Rent
0.2%
Unemployment
Community
40.2
Median Age
321
People / sq mi
8.8%
College Educated
76.2%
Homeownership
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Frequently asked questions

Is Earth, TX tap water safe to drink?

Earth's water quality earned a grade of B+ (80.1/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #358 out of 1067 cities tested in Texas.

What contaminants are in Earth's water?

Lead was measured at 0.6 ppb (90th percentile). 14 violations are on record.

How is Earth'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 Earth?

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

Where does Earth's water come from?

Earth's water is sourced from Groundwater. The city has 1 water system serving approximately 937 residents.

What health violations has Earth's water system had?

Earth has 5 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. 6 violations remain unresolved.

Is Earth's groundwater at risk of contamination?

Earth 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 14 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 Earth's water compare to other cities?

Earth ranks #358 out of 1067 cities in Texas (better than 66% of state cities) and #8025 out of 15744 cities nationally (49th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Earth's small water system affect quality?

Earth's system serves approximately 937 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 14 violations on record.