WaterVerge

Is Pennington, TX Tap Water Safe to Drink?

Graded A-, with 7 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: TX2280009
Overall Score
87.2 / 100
Violations
7 active
Last Updated
May 2026
Source
Groundwater
#118 of 1067 in Texas Top 27% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87.2/100
waterverge.com
A- 87.2/100

Pennington, TX — Water Quality Report

Pennington's drinking water received a grade of A- (87.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,839 residents using groundwater.

Lead levels were measured at 0.0 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 12 violations on record, including 0 health-based violations. 7 remain unresolved.

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

What to know about Pennington's water

Pennington ranks #118 out of 1067 cities in Texas for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
87.2 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.2/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 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 Pennington, TX water safe to drink?

Concerns Identified

Pennington's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,839 residents using groundwater (wells).

7
Active Violations
0.0 ppb
Lead (90th %ile)
7 events
Disaster History

Recent water quality updates for Pennington

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Pennington's water quality assessment. Grade: A- (87.2/100).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform 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: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Pennington's water system has 12 total violations on record, including 0 health-based violations. 7 remain unresolved. 2 violations were issued in the last 5 years.

MONOtherMR
Most recent violations:
Jul 2025 Revised Total Coliform Rule Resolved
Jul 2022 Consumer Confidence Rule Open
Dec 2014 Lead and Copper Rule Open
Apr 2014 Chlorine Resolved
Oct 2013 Lead and Copper Rule Open

Flood & environmental risk

Trinity County has experienced 7 federally declared disasters since 2008. 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
SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING
Flood FEMA DR-4781
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA DR-3540

Where does Pennington's water come from?

Pennington's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,839 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Pennington residents can do

Install a water filter

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

Pennington'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
Compliance Record

Violation summary

12
Total violations
0
Health-based
7
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

12 Total
7 Active
0 Health-based
5 Resolved
Violations by category
Lead and Copper Rule
3
Stage 1 Disinfectants and Disinfection Byproducts Rule
2
Total Coliform Rule
2
Revised Total Coliform Rule
1
Consumer Confidence Rule
1
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Dec 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2013 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jun 2011 Active
Public Notice
Other Violation 0
Jan 2011 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jul 2025 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2025
Apr 2014 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2014
Aug 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Aug 2012
Feb 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2011
Oct 2008 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Environmental Risk

Drought conditions

D1 — moderate drought

Trinity County is currently in D1 (moderate 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.

16.6%
Months in D2+ (last 30y)
13
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

Trinity County has experienced 7 federally declared disasters since 2008. 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
Jun 2016
SEVERE STORMS AND FLOODING
Flood FEMA #4272
Sep 2008
HURRICANE IKE
Hurricane FEMA #1791
Sep 2008
HURRICANE IKE
Hurricane FEMA #3294

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 1.0 ppb from 1993 (1.0 ppb) to 2023 (0.0 ppb).
Contaminant Rankings

See how Pennington compares by contaminant

Explore where Pennington ranks among all Texas cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,839
Water Systems
1
Water Source

Where Pennington's water comes from

Groundwater

Pennington'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 2,839 people through 1 water system.

Infrastructure

Water systems serving Pennington

System Name PWSID Population Source
PENNINGTON WSC TX2280009 2,839 GW
Regional Comparison

How Pennington compares

Full Texas rankings →

Pennington's score of 87.2/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

Pennington (this city)
87.2
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
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Frequently asked questions

Is Pennington, TX tap water safe to drink?

Pennington's water quality earned a grade of A- (87.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #118 out of 1067 cities tested in Texas.

What contaminants are in Pennington's water?

Lead was measured at 0.0 ppb (90th percentile). 12 violations are on record.

How is Pennington'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 Pennington?

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

Where does Pennington's water come from?

Pennington's water is sourced from Groundwater. The city has 1 water system serving approximately 2,839 residents.

Is Pennington's groundwater at risk of contamination?

Pennington 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 12 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 Pennington's water compare to other cities?

Pennington ranks #118 out of 1067 cities in Texas (better than 89% of state cities) and #4205 out of 15744 cities nationally (73th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Pennington's small water system affect quality?

Pennington's system serves approximately 2,839 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 12 violations on record.