WaterVerge

Is La Pryor, TX Tap Water Safe to Drink?

Graded B, 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: TX2540003
Overall Score
78.4 / 100
Violations
11 active
Last Updated
May 2026
Source
Groundwater
#407 of 1067 in Texas Top 55% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
78.4/100
waterverge.com
B 78.4/100

La Pryor, TX — Water Quality Report

La Pryor's drinking water received a grade of B (78.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,043 residents using groundwater.

Lead levels were measured at 1.1 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 101 violations on record, including 81 health-based violations. 11 remain unresolved.

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

What to know about La Pryor's water

La Pryor ranks #407 out of 1067 cities in Texas for water quality, placing it mid-range in the state.

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

Quality Breakdown

Water quality score

See methodology →
78.4 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
28.4/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.1 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 La Pryor, TX water safe to drink?

Concerns Identified

La Pryor's drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,043 residents using groundwater (wells).

11
Active Violations
1.1 ppb
Lead (90th %ile)
1 event
Disaster History

Recent water quality updates for La Pryor

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into La Pryor's water quality assessment. Grade: B (78.4/100).

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Chlorine.

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 La Pryor's water supply.

Lead Within Limits
Detected: 1.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

La Pryor's water system has 101 total violations on record, including 81 health-based violations. 11 remain unresolved. 2 violations were issued in the last 5 years.

OtherMRMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Apr 2022 Public Notice Open
Oct 2020 Chlorine Resolved
Jan 2014 Gross Alpha, Excl. Radon and U Resolved
Oct 2013 Combined Radium (-226 and -228) Resolved

Flood & environmental risk

Zavala County has experienced 1 federally declared disaster 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 RITA
Hurricane FEMA DR-1606

Where does La Pryor's water come from?

La Pryor's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,043 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What La Pryor residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in La Pryor'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
1.1 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Compliance Record

Violation summary

101
Total violations
81
Health-based
11
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

101 Total
11 Active
81 Health-based
90 Resolved
Violations by category
Radionuclides and Revised Rad Rule
80
Public Notice Rule and Revised PN Rule
9
Total Coliform Rule
6
Stage 1 Disinfectants and Disinfection Byproducts Rule
3
Consumer Confidence Rule
1
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Apr 2022 Active
Public Notice
Other Violation 0
Apr 2013 Active
Public Notice
Other Violation 0
Nov 2012 Active
Public Notice
Other Violation 0
Nov 2012 Active
Public Notice
Other Violation 0
Jul 2012 Active
Public Notice
Other Violation 0
Jun 2012 Active
Public Notice
Other Violation 0
Jun 2012 Active
Public Notice
Other Violation 0
Mar 2012 Active
Public Notice
Other Violation 0
Apr 2010 Active
Public Notice
Other Violation 0
Active
Compliance Violation
Monitoring 0
Oct 2020 Resolved
Chlorine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Jan 2014 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Mar 2014
Oct 2013 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Dec 2013
Oct 2013 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Dec 2013
Jul 2013 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Sep 2013
Jul 2013 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Sep 2013
Apr 2013 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Jun 2013
Apr 2013 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Jun 2013
Jan 2013 Resolved
Combined Radium (-226 and -228)
Max Contaminant Level
Health-Based Health Resolved Mar 2013
Showing 20 of 101 violations
Environmental Risk

Drought conditions

D2 — severe drought

Zavala 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)
30.6%
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

1
Declared disasters
Sep 2005
Most recent
Hurricane
Most common type

Zavala County has experienced 1 federally declared disaster since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE RITA
Hurricane FEMA #1606

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.1 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 7.8 ppb from 1993 (8.9 ppb) to 2023 (1.1 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,043
Water Systems
1
Water Source

Where La Pryor's water comes from

Groundwater

La Pryor'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 2,043 people through 1 water system.

Infrastructure

Water systems serving La Pryor

System Name PWSID Population Source
ZAVALA COUNTY WCID 1 TX2540003 2,043 GW
Regional Comparison

How La Pryor compares

Full Texas rankings →

La Pryor's score of 78.4/100 is above the average of 46/100 among major Texas cities. It outscores 9 of 10 nearby cities.

La Pryor (this city)
78.4
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About La Pryor, TX

Economic Profile
$37,250
Median Income
$102,100
Median Home Value
6.1%
Unemployment
Community
25.3
Median Age
158
People / sq mi
4.1%
College Educated
75.2%
Homeownership
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Frequently asked questions

Is La Pryor, TX tap water safe to drink?

La Pryor's water quality earned a grade of B (78.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #407 out of 1067 cities tested in Texas.

What contaminants are in La Pryor's water?

Lead was measured at 1.1 ppb (90th percentile). 101 violations are on record.

How is La Pryor'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 La Pryor?

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

Where does La Pryor's water come from?

La Pryor's water is sourced from Groundwater. The city has 1 water system serving approximately 2,043 residents.

What health violations has La Pryor's water system had?

La Pryor has 81 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. 11 violations remain unresolved.

Is La Pryor's groundwater at risk of contamination?

La Pryor 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 101 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 La Pryor's water compare to other cities?

La Pryor ranks #407 out of 1067 cities in Texas (better than 62% of state cities) and #8694 out of 15744 cities nationally (45th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does La Pryor's small water system affect quality?

La Pryor's system serves approximately 2,043 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 101 violations on record.