States › Illinois › Putnam County

Putnam County, IL Water Quality

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

📅 2026 Report 🔄 Data updated 2026 Q2 📍 6 water systems · 6 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: 6 communities across 6 water systems. 100.0% have no open violations.

  • Median lead where detected: none detected
  • 0 communities with a lead detection, 6 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 4 with significant inspection deficiencies
  • 100.0% of communities have no open violations
—
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
  • Hennepin
    Not detected
    No federal limits exceeded on record
    B
  • Standard
    Not detected
    No federal limits exceeded on record
    B
  • Mark
    Not detected
    1 significant inspection deficiency
    B
  • Granville
    Not detected
    3 significant inspection deficiencies
    B
  • Magnolia
    Not detected
    Copper above the 1,300 ppb action level
    C
⚠ Needs Attention
  • McNabb
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Magnolia
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Granville
    Not detected
    3 significant inspection deficiencies
    B
  • Mark
    Not detected
    1 significant inspection deficiency
    B
  • Hennepin
    Not detected
    No federal limits exceeded on record
    B

All Cities in Putnam County

Granville Not detected B
Hennepin Not detected B
Mark Not detected B
McNabb Not detected C
Magnolia Not detected C
Standard Not detected B
Showing 6 cities
No active violations Active violations

About Putnam County Drinking Water

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

Lead was not detected in any community in Putnam County that reported a result.

No community here has PFAS above the federal limit on record. State inspectors recorded significant deficiencies at 4 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?▼
No community reported a lead detection.
How many water systems serve Putnam County?▼
6 community water systems serve 6 communities here.
← Back to Illinois water quality overview