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Navarro County, TX Water Quality

Water quality data for 14 public water systems serving Navarro County, Texas — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 14 water systems · 17 cities
✅
Excellent — All Systems Performing Well

Water quality across the county is outstanding with minimal violations and very low lead levels.

A

Navarro County Earns a A

Navarro County: 17 communities across 14 water systems. 94.1% have no open violations.

  • Median lead where detected: 2.74 ppb
  • 9 communities with a lead detection, 8 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 2 with significant inspection deficiencies
  • 94.1% of communities have no open violations
2.74 ppb
Median Lead Level
County-wide, 90th percentile
14
Water Systems
Active CWS & NTNCWS
94%
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
  • Corsicana
    Not detected
    No federal limits exceeded on record
    A
  • Rice
    Not detected
    No federal limits exceeded on record
    A
  • Blooming Grove
    Not detected
    No federal limits exceeded on record
    B
  • Dawson
    Not detected
    No federal limits exceeded on record
    B
  • Retreat
    1.80 ppb
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • Frost
    Not detected
    1 violation currently open
    D
  • Kerens
    2.63 ppb
    1 significant inspection deficiency
    C
  • Goodlow
    2.63 ppb
    1 significant inspection deficiency
    C
  • Angus
    2.81 ppb
    4 health-based violations since 2015
    B
  • Oak Valley
    2.74 ppb
    1 health-based violation since 2015
    B
County Lead Level — Median 2.74 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.74 ppb — 18.3% of the federal action level
Systems by Lead Level
Under 5 ppb
9
No Data
8

All Cities in Navarro County

Corsicana Not detected A
Kerens 2.63 ppb C
Rice Not detected A
Blooming Grove Not detected B
Dawson Not detected B
Frost Not detected D
Oak Valley 2.74 ppb B
Mildred 3.60 ppb A
Retreat 1.80 ppb B
Angus 2.81 ppb B
Eureka 3.60 ppb A
Richland 2.26 ppb B
Navarro 3.60 ppb A
Barry Not detected B
Emhouse Not detected A
Goodlow 2.63 ppb C
Powell Not detected A
Showing 17 cities
No active violations Active violations

About Navarro County Drinking Water

Navarro County is served by 14 water systems covering 17 communities. 94% have no open violations.

Of the communities reporting lead results, 9 recorded a detection, with a median of 2.74 ppb — 18% of the federal action level. 8 reported none detected, which means below the laboratory limit rather than an absence of lead.

No community here has PFAS above the federal limit on record. State inspectors recorded significant deficiencies at 2 of them.

Frequently Asked Questions

Is Navarro County tap water safe to drink?▼
94% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Navarro County?▼
Among communities with a detection the median is 2.74 ppb, 18% of the 15 ppb action level. 8 reported none detected and 0 reported no result.
How many water systems serve Navarro County?▼
14 community water systems serve 17 communities here.
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