States › Indiana › Clark County

Clark County, IN Water Quality

Water quality data for 6 public water systems serving Clark County, Indiana — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 6 water systems · 9 cities
✅
Generally Safe — Most Systems Performing Well

The majority of water systems have no active violations and lead levels well below the federal action level.

B

Clark County Earns a B

Clark County: 9 communities across 6 water systems. 100.0% have no open violations.

  • Median lead where detected: 1.80 ppb
  • 5 communities with a lead detection, 4 reporting none detected
  • 1 communities with PFAS above the federal limit
  • 3 with significant inspection deficiencies
  • 100.0% of communities have no open violations
1.8 ppb
Median Lead Level
County-wide, 90th percentile
6
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
  • Jeffersonville
    Not detected
    No federal limits exceeded on record
    A
  • Clarksville
    Not detected
    No federal limits exceeded on record
    A
  • Sellersburg
    Not detected
    No federal limits exceeded on record
    A
  • New Washington
    2.62 ppb
    No federal limits exceeded on record
    A
  • Utica
    5.00 ppb
    Lead at 5.00 ppb, above a third of the action level
    A
⚠ Needs Attention
  • Charlestown
    Not detected
    PFAS above the limit at 1 of 1 sampling points
    C
  • Henryville
    1.61 ppb
    Copper above the 1,300 ppb action level
    C
  • Memphis
    1.61 ppb
    Copper above the 1,300 ppb action level
    C
  • Borden
    1.80 ppb
    1 significant inspection deficiency
    C
  • Utica
    5.00 ppb
    Lead at 5.00 ppb, above a third of the action level
    A
County Lead Level — Median 1.8 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1.8 ppb — 12% of the federal action level
Systems by Lead Level
Under 5 ppb
4
5 – 10 ppb
1
No Data
4

All Cities in Clark County

Jeffersonville Not detected A
Clarksville Not detected A
Charlestown Not detected C
Sellersburg Not detected A
Henryville 1.61 ppb C
Memphis 1.61 ppb C
Utica 5.00 ppb A
Borden 1.80 ppb C
New Washington 2.62 ppb A
Showing 9 cities
No active violations Active violations

About Clark County Drinking Water

Clark County is served by 6 water systems covering 9 communities. No community here has an open violation on record.

Of the communities reporting lead results, 5 recorded a detection, with a median of 1.80 ppb — 12% of the federal action level. 4 reported none detected, which means below the laboratory limit rather than an absence of lead.

1 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 3 of them.

Frequently Asked Questions

Is Clark County tap water safe to drink?▼
No community in Clark County has an open violation on record. 1 of 9 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Clark County?▼
Among communities with a detection the median is 1.80 ppb, 12% of the 15 ppb action level. 4 reported none detected and 0 reported no result.
How many water systems serve Clark County?▼
6 community water systems serve 9 communities here.
← Back to Indiana water quality overview