States › Indiana › Vigo County

Vigo County, IN Water Quality

Water quality data for 4 public water systems serving Vigo County, Indiana — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 4 water systems · 9 cities
✅
Excellent — All Systems Performing Well

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

A

Vigo County Earns a A

Vigo County: 9 communities across 4 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.00 ppb
  • 7 communities with a lead detection, 2 reporting none detected
  • 2 communities with PFAS above the federal limit
  • 1 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2 ppb
Median Lead Level
County-wide, 90th percentile
4
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
  • Terre Haute
    2.00 ppb
    No federal limits exceeded on record
    A
  • North Terre Haute
    2.00 ppb
    No federal limits exceeded on record
    A
  • St. Mary of the Woods
    2.00 ppb
    No federal limits exceeded on record
    A
  • Riley
    2.00 ppb
    No federal limits exceeded on record
    A
  • Dresser
    2.00 ppb
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • West Terre Haute
    8.00 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
  • Toad Hop
    8.00 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
  • Tecumseh
    Not detected
    1 significant inspection deficiency
    A
  • Seelyville
    Not detected
    1 health-based violation since 2015
    B
  • Terre Haute
    2.00 ppb
    No federal limits exceeded on record
    A
County Lead Level — Median 2 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2 ppb — 13.3% of the federal action level
Systems by Lead Level
Under 5 ppb
5
5 – 10 ppb
2
No Data
2

All Cities in Vigo County

Terre Haute 2.00 ppb A
North Terre Haute 2.00 ppb A
West Terre Haute 8.00 ppb C
Seelyville Not detected B
Tecumseh Not detected A
St. Mary of the Woods 2.00 ppb A
Riley 2.00 ppb A
Toad Hop 8.00 ppb C
Dresser 2.00 ppb A
Showing 9 cities
No active violations Active violations

About Vigo County Drinking Water

Vigo County is served by 4 water systems covering 9 communities. No community here has an open violation on record.

Of the communities reporting lead results, 7 recorded a detection, with a median of 2.00 ppb — 13% of the federal action level. 2 reported none detected, which means below the laboratory limit rather than an absence of lead.

2 of 9 communities have PFAS above the limits EPA set in 2024, measured as a running annual average at each sampling point. State inspectors recorded significant deficiencies at 1 of them.

Frequently Asked Questions

Is Vigo County tap water safe to drink?▼
No community in Vigo County has an open violation on record. 2 of 9 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Vigo County?▼
Among communities with a detection the median is 2.00 ppb, 13% of the 15 ppb action level. 2 reported none detected and 0 reported no result.
How many water systems serve Vigo County?▼
4 community water systems serve 9 communities here.
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