A
89

US Water Score: A

Floresville, TX 78114

Wilson County · Population served: 9,621 · Data updated July 2026

Service-area evidence: EPA service-area records associate the listed system with this ZIP. Boundaries may still overlap or change.

Water Systems Serving This Area

🌊
MCCOY WSC
Groundwater · Pop. 9,621
PWSID: TX0070023
🌊
CITY OF FLORESVILLE
Groundwater · Pop. 8,306
PWSID: TX2470001
🌊
OAK HILLS WSC
Groundwater · Pop. 6,225
PWSID: TX2470009
🌊
SUNKO WSC
Groundwater · Pop. 5,064
PWSID: TX2470005
🌊
PICOSA WSC
Groundwater · Pop. 3,210
PWSID: TX2470026

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
2.2
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

1 detected Below comparison values

UCMR5 occurrence results are screening information, not a finding of regulatory compliance or noncompliance. PFAS rules and compliance dates are evolving.

CompoundLevelEPA MCLHealth GuidelineStatus
6:2 FTS119.0 pptNo standardNo federal MCL shown

Violation History (Last 5 Years)

12Total (5yr)
1Health-Based
3Major

Water Quality Summary

Understanding Your Water in Floresville

Tap water quality in Floresville, Texas (78114) receives an overall grade of A (Excellent) with a score of 89 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 9 points above the Texas state average of 80. Compared to the national average (75), this area performs significantly better. The area is served by 6 water systems providing water to approximately 9,621 people, using groundwater sources. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 1 compound, all below the EPA final MCL values used for comparison. Over the past 5 years, water systems here have accumulated 12 violations, including 1 health-based violations.

Your Score 89/100 A
vs State 9 pts above Texas avg (80)
vs National 14 pts above national avg (75)

What a Grade A Means

A score of 89/100 means public water-system records for Floresville, TX show relatively few concerns in the US Water Score model. This is an internal score, not an EPA safety rating, and it does not guarantee conditions at any specific tap.

Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Based on public water-system records, Floresville, Texas receives an internal US Water Score grade of A (Excellent) with a score of 89/100. This indicates relatively few system-level concerns in our model, but it is not an EPA safety rating and does not guarantee tap conditions inside individual homes.

ZIP code 78114 is served by 6 water systems using groundwater sources, providing water to approximately 9,621 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

Lead was reported at 2.2 ppb in public-system records for Floresville, Texas. This is below the currently applicable EPA action level of 15 ppb, but may be above more protective health guidance; EPA's future LCRI action level is 10 ppb. Household plumbing can materially change tap-level exposure, so consider certified filtration and individual tap testing, especially where children are present.

1 PFAS compound were detected in water serving Floresville, Texas, with reported values below the EPA final MCL values used by this site. This comparison is informational: federal compliance timelines and the status of some PFAS standards are still evolving. Activated carbon or reverse osmosis filters can reduce some PFAS when appropriately certified and maintained.

Water systems serving Floresville, Texas have received 12 violations in the last 5 years, including 1 health-based violation. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Floresville, Texas should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

Explore Nearby

Water Quality in Nearby ZIP Codes