States › Indiana › Kosciusko County

Kosciusko County, IN Water Quality

Water quality data for 9 public water systems serving Kosciusko County, Indiana — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 9 water systems · 10 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

Kosciusko County Earns a B

Kosciusko County: 10 communities across 9 water systems. 90.0% have no open violations.

  • Median lead where detected: 2.00 ppb
  • 5 communities with a lead detection, 5 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 2 with significant inspection deficiencies
  • 90.0% of communities have no open violations
2 ppb
Median Lead Level
County-wide, 90th percentile
9
Water Systems
Active CWS & NTNCWS
90%
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
  • Syracuse
    1.50 ppb
    No federal limits exceeded on record
    B
  • Milford
    Not detected
    No federal limits exceeded on record
    B
  • Silver Lake
    1.14 ppb
    No federal limits exceeded on record
    B
  • Etna Green
    4.37 ppb
    No federal limits exceeded on record
    B
  • Claypool
    Not detected
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • North Webster
    Not detected
    Copper above the 1,300 ppb action level
    D
  • Mentone
    Not detected
    3 significant inspection deficiencies
    B
  • Pierceton
    Not detected
    3 significant inspection deficiencies
    B
  • Warsaw
    2.00 ppb
    Copper above the 1,300 ppb action level
    A
  • Winona Lake
    2.00 ppb
    Copper above the 1,300 ppb action level
    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
No Data
5

All Cities in Kosciusko County

Warsaw 2.00 ppb A
Winona Lake 2.00 ppb A
Syracuse 1.50 ppb B
Milford Not detected B
Mentone Not detected B
Pierceton Not detected B
North Webster Not detected D
Silver Lake 1.14 ppb B
Etna Green 4.37 ppb B
Claypool Not detected B
Showing 10 cities
No active violations Active violations

About Kosciusko County Drinking Water

Kosciusko County is served by 9 water systems covering 10 communities. 90% have no open violations.

Of the communities reporting lead results, 5 recorded a detection, with a median of 2.00 ppb — 13% of the federal action level. 5 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 Kosciusko County tap water safe to drink?▼
90% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Kosciusko County?▼
Among communities with a detection the median is 2.00 ppb, 13% of the 15 ppb action level. 5 reported none detected and 0 reported no result.
How many water systems serve Kosciusko County?▼
9 community water systems serve 10 communities here.
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