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 ↓
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.
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.
Water quality score
See methodology →Is Shavano Park, TX water safe to drink?
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).
Recent water quality updates for Shavano Park
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Shavano Park's water quality assessment. Grade: B (76.4/100).
Contaminants: Consumer Confidence Rule.
Contaminants: Public Notice.
1 health-based. Contaminants: Asbestos.
Federal disaster declaration (FEMA DR-3540). Hurricane event — may have impacted local water infrastructure.
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.
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.
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.
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
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Shavano Park's water.
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.
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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
CAMP STANLEY BOERNE, TX78015 | — | — | 8.3 mi |
DFA DAIRY BRANDS FLUID LLC DBA OAK FARMS SAN ANTONIO, TX78201 | — | — | 9.1 mi |
ALLIED AVIATION FUELING CO OF TEXAS INC. SAN ANTONIO, TX78216 | — | — | 6.9 mi |
CAPITOL AGGREGATES INC. SAN ANTONIO, TX78217 | — | — | 8.8 mi |
CARBONFREE CHEMICALS SPE I HOLDINGS LLC SAN ANTONIO, TX78217 | — | — | 8.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
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.
- BANDERA ROAD GROUND WATER PLUME7.3 mi
Source: EPA Superfund National Priorities List
Drought conditions
D3 — extreme droughtBexar 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.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
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.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.3 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Shavano Park compares by contaminant
Explore where Shavano Park ranks among all Texas cities for specific contaminants.
Water source & infrastructure
Where Shavano Park's water comes from
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.
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.
Water systems serving Shavano Park
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CITY OF SHAVANO PARK | TX0150092 | 2,200 | GW |
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.
Nearby cities
View Texas rankings →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.
Learn more about your water
Guides and resources related to Shavano Park's water quality findings.
Explore water quality across Bexar
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.