WaterVerge

Is Shavano Park, TX Tap Water Safe to Drink?

Graded B, with 4 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: TX0150092
Overall Score
76.4 / 100
Violations
4 active
Last Updated
May 2026
Source
Groundwater
#457 of 1067 in Texas Top 59% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
BGRADE
Water Quality Grade
76.4/100
waterverge.com
B 76.4/100

Shavano Park, TX — Water Quality Report

Shavano Park's drinking water received a grade of B (76.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,200 residents using groundwater.

Lead levels were measured at 1.3 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 4 health-based violations. 4 remain unresolved.

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

What to know about Shavano Park's water

Shavano Park ranks #457 out of 1067 cities in Texas for water quality, placing it mid-range in the state.

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

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
76.4 out of 100 Grade B
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
29.4/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.3 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Shavano Park, TX water safe to drink?

Concerns Identified

Shavano Park's drinking water has significant quality concerns based on EPA testing data. With a grade of B (76.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,200 residents using groundwater (wells).

4
Active Violations
1.3 ppb
Lead (90th %ile)
9 events
Disaster History

Recent water quality updates for Shavano Park

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Shavano Park's water quality assessment. Grade: B (76.4/100).

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

1 health-based. Contaminants: Asbestos.

Disaster
TROPICAL STORMS MARCO AND LAURA

Federal disaster declaration (FEMA DR-3540). Hurricane event — may have impacted local water infrastructure.

Disaster
HURRICANE HANNA

Federal disaster declaration (FEMA DR-3530). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.3 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Shavano Park's water system has 14 total violations on record, including 4 health-based violations. 4 remain unresolved. 7 violations were issued in the last 5 years.

OtherMCLMRMON
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Jun 2025 Public Notice Open
Jan 2025 Asbestos Resolved
Oct 2024 Asbestos Resolved
Jul 2024 Asbestos Resolved

Flood & environmental risk

Bexar County has experienced 9 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 Olmos Ck At Dresden Dr, San Antonio, San Antonio Spgs At San Antonio, Salado Ck At Wilderness Rd, San Antonio, Salado Ck At Blanco Rd, San Antonio, W Elm Ck At Encino Rio At San Antonio.

TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA DR-3540
HURRICANE HANNA
Hurricane FEMA DR-3530
HURRICANE HARVEY
Hurricane FEMA DR-4332

Where does Shavano Park's water come from?

Shavano Park's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,200 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Olmos Ck At Dresden Dr, San Antonio (river), San Antonio Spgs At San Antonio (spring), Salado Ck At Wilderness Rd, San Antonio (river), Salado Ck At Blanco Rd, San Antonio (river), W Elm Ck At Encino Rio At San Antonio (river).

What Shavano Park residents can do

Install a water filter

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

Shavano Park'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
1.3 ppb
EPA Action Level: 15 ppb · 9% of limit
Safe Level
Compliance Record

Violation summary

14
Total violations
4
Health-based
4
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

14 Total
4 Active
4 Health-based
10 Resolved
Violations by category
Revised Total Coliform Rule
5
Inorganic Chemicals
4
Lead and Copper Rule
2
Consumer Confidence Rule
1
Public Notice Rule and Revised PN Rule
1
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jun 2025 Active
Public Notice
Other Violation 0
Dec 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2025 Resolved
Asbestos
Max Contaminant Level
Health-Based Health Resolved Mar 2025
Oct 2024 Resolved
Asbestos
Max Contaminant Level
Health-Based Health Resolved Dec 2024
Jul 2024 Resolved
Asbestos
Max Contaminant Level
Health-Based Health Resolved Sep 2024
Apr 2024 Resolved
Asbestos
Max Contaminant Level
Health-Based Health Resolved Jun 2024
Aug 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2016
Jul 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jul 2016
Jun 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jun 2016
May 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved May 2016
Apr 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2016
Feb 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Feb 2011
Industrial pollution

Top industrial polluters within 10 miles of Shavano Park

Industrial polluters nearby

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

FacilityTop chemicalTo surface water (lbs/yr)Distance
CAMP STANLEY
Other · US DEPARTMENT OF DEFENSE
BOERNE, TX78015
8.3 mi
DFA DAIRY BRANDS FLUID LLC DBA OAK FARMS
Food · DAIRY FARMERS OF AMERICA INC
SAN ANTONIO, TX78201
9.1 mi
ALLIED AVIATION FUELING CO OF TEXAS INC.
Petroleum Bulk Terminals · ALLIED AVIATION HOLDING CO
SAN ANTONIO, TX78216
6.9 mi
CAPITOL AGGREGATES INC.
Nonmetallic Mineral Product · ZACHRY CONSTRUCTION & MATERIALS INC
SAN ANTONIO, TX78217
8.8 mi
CARBONFREE CHEMICALS SPE I HOLDINGS LLC
Chemicals · NA
SAN ANTONIO, TX78217
8.8 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Site context

Superfund sites within 10 miles of Shavano Park

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

Bexar 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)
24.9%
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

9
Declared disasters
Aug 2020
Most recent
Hurricane
Most common type

Bexar County has experienced 9 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2020
TROPICAL STORMS MARCO AND LAURA
Hurricane FEMA #3540
Jul 2020
HURRICANE HANNA
Hurricane FEMA #3530
Aug 2017
HURRICANE HARVEY
Hurricane FEMA #4332
Jun 2010
TROPICAL STORM ALEX
Hurricane FEMA #3313
Sep 2008
HURRICANE IKE
Hurricane FEMA #3294
Aug 2008
HURRICANE GUSTAV
Hurricane FEMA #3290

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.3 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 8.7 ppb from 1993 (10.0 ppb) to 2023 (1.3 ppb).
Contaminant Rankings

See how Shavano Park compares by contaminant

Explore where Shavano Park ranks among all Texas cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,200
Water Systems
1
Water Source

Where Shavano Park's water comes from

Groundwater

Shavano Park'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 2,200 people through 1 water system.

Local Hydrology

Water bodies near Shavano Park

Shavano Park is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Olmos Ck At Dresden Dr, San Antonio
river
San Antonio Spgs At San Antonio
spring
Salado Ck At Wilderness Rd, San Antonio
river
Salado Ck At Blanco Rd, San Antonio
river
W Elm Ck At Encino Rio At San Antonio
river
Infrastructure

Water systems serving Shavano Park

System Name PWSID Population Source
CITY OF SHAVANO PARK TX0150092 2,200 GW
Regional Comparison

How Shavano Park compares

Full Texas rankings →

Shavano Park's score of 76.4/100 is above the average of 46/100 among major Texas cities. It outscores 8 of 10 nearby cities.

Shavano Park (this city)
76.4
Houston
27.8
Austin
31.2
Dallas
36.2
Fort Worth
34.5
Texas avg
46
City Profile

About Shavano Park, TX

Wikipedia →

Shavano Park is a city located in Bexar County, Texas, United States. As of the 2020 census, the population was 3,524, an increase over the figure of 3,035 tabulated in 2010. It is part of the San Antonio Metropolitan Statistical Area.

Economic Profile
$187,750
Median Income
$822,161
Median Home Value
1.5%
Unemployment
Community
50.4
Median Age
416
People / sq mi
66.9%
College Educated
96.6%
Homeownership
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Frequently asked questions

Is Shavano Park, TX tap water safe to drink?

Shavano Park's water quality earned a grade of B (76.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #457 out of 1067 cities tested in Texas.

What contaminants are in Shavano Park's water?

Lead was measured at 1.3 ppb (90th percentile). 14 violations are on record.

How is Shavano Park'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 Shavano Park?

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

Where does Shavano Park's water come from?

Shavano Park's water is sourced from Groundwater. The city has 1 water system serving approximately 2,200 residents.

What health violations has Shavano Park's water system had?

Shavano Park has 4 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. 4 violations remain unresolved.

Is Shavano Park's groundwater at risk of contamination?

Shavano Park 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 Shavano Park's water compare to other cities?

Shavano Park ranks #457 out of 1067 cities in Texas (better than 57% of state cities) and #9308 out of 15744 cities nationally (41th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Shavano Park's small water system affect quality?

Shavano Park's system serves approximately 2,200 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.