States › Texas › Kendall County

Kendall County, TX Water Quality

Water quality data for 2 public water systems serving Kendall County, Texas — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 2 water systems · 2 cities
⚠️
Caution Advised — Some Systems Need Attention

Some systems have elevated lead levels or active violations. Check your specific city below.

C

Kendall County Earns a C

Kendall County: 2 communities across 2 water systems. 100.0% have no open violations.

  • Median lead where detected: 1.70 ppb
  • 2 communities with a lead detection, 0 reporting none detected
  • 1 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
1.7 ppb
Median Lead Level
County-wide, 90th percentile
2
Water Systems
Active CWS & NTNCWS
100%
Violation-Free
No active violations on record
How we grade counties: MyWaterIQ uses EPA SDWIS enforcement data — actual MCL violations and lead test results — not the aspirational MCLG targets used by some sites. A grade reflects real compliance history, not theoretical risk. Learn more →

Cities by Water Quality

⭐ Best Performing
  • Comfort
    2.00 ppb
    64 health-based violations since 2015
    B
  • Boerne
    1.40 ppb
    PFAS above the limit at 1 of 8 sampling points
    D
⚠ Needs Attention
  • Boerne
    1.40 ppb
    PFAS above the limit at 1 of 8 sampling points
    D
  • Comfort
    2.00 ppb
    64 health-based violations since 2015
    B
County Lead Level — Median 1.7 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1.7 ppb — 11.3% of the federal action level
Systems by Lead Level
Under 5 ppb
2

All Cities in Kendall County

Boerne 1.40 ppb D
Comfort 2.00 ppb B
Showing 2 cities
No active violations Active violations

About Kendall County Drinking Water

Kendall County is served by 2 water systems covering 2 communities. No community here has an open violation on record.

Of the communities reporting lead results, 2 recorded a detection, with a median of 1.70 ppb — 11% of the federal action level. 0 reported none detected, which means below the laboratory limit rather than an absence of lead.

1 of 2 communities have PFAS above the limits EPA set in 2024, measured as a running annual average at each sampling point. State inspectors recorded no significant deficiencies.

Frequently Asked Questions

Is Kendall County tap water safe to drink?▼
No community in Kendall County has an open violation on record. 1 of 2 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Kendall County?▼
Among communities with a detection the median is 1.70 ppb, 11% of the 15 ppb action level. 0 reported none detected and 0 reported no result.
How many water systems serve Kendall County?▼
2 community water systems serve 2 communities here.
← Back to Texas water quality overview