States › Ohio › Putnam County

Putnam County, OH Water Quality

Water quality data for 10 public water systems serving Putnam County, Ohio — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 10 water systems · 11 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

Putnam County Earns a B

Putnam County: 11 communities across 10 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.70 ppb
  • 1 communities with a lead detection, 10 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 2 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2.7 ppb
Median Lead Level
County-wide, 90th percentile
10
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
  • Kalida
    Not detected
    No federal limits exceeded on record
    B
  • Ottoville
    Not detected
    No federal limits exceeded on record
    B
  • Pandora
    Not detected
    No federal limits exceeded on record
    B
  • Miller City
    Not detected
    No federal limits exceeded on record
    B
  • Cloverdale
    2.70 ppb
    Copper above the 1,300 ppb action level
    B
⚠ Needs Attention
  • Leipsic
    Not detected
    Copper above the 1,300 ppb action level
    C
  • West Leipsic
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Ottawa
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Continental
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Glandorf
    Not detected
    Copper above the 1,300 ppb action level
    C
County Lead Level — Median 2.7 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.7 ppb — 18% of the federal action level
Systems by Lead Level
Under 5 ppb
1
No Data
10

All Cities in Putnam County

Ottawa Not detected C
Columbus Grove Not detected B
Leipsic Not detected C
Kalida Not detected B
Continental Not detected C
Glandorf Not detected C
Ottoville Not detected B
Pandora Not detected B
West Leipsic Not detected C
Cloverdale 2.70 ppb B
Miller City Not detected B
Showing 11 cities
No active violations Active violations

About Putnam County Drinking Water

Putnam County is served by 10 water systems covering 11 communities. No community here has an open violation on record.

Of the communities reporting lead results, 1 recorded a detection, with a median of 2.70 ppb — 18% of the federal action level. 10 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 Putnam County tap water safe to drink?▼
No community in Putnam County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Putnam County?▼
Among communities with a detection the median is 2.70 ppb, 18% of the 15 ppb action level. 10 reported none detected and 0 reported no result.
How many water systems serve Putnam County?▼
10 community water systems serve 11 communities here.
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