States › Michigan › Otsego County

Otsego County, MI Water Quality

Water quality data for 5 public water systems serving Otsego County, Michigan — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 5 water systems · 7 cities
✅
Excellent — All Systems Performing Well

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

A

Otsego County Earns a A

Otsego County: 7 communities across 5 water systems. 100.0% have no open violations.

  • Median lead where detected: 257.50 ppb
  • 2 communities with a lead detection, 4 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
257.5 ppb
Median Lead Level
County-wide, 90th percentile
5
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
  • Gaylord
    Not detected
    No federal limits exceeded on record
    A
  • Bagley
    Not detected
    No federal limits exceeded on record
    A
  • Livingston
    Not detected
    No federal limits exceeded on record
    A
  • Otsego Lake
    Not reported
    No federal limits exceeded on record
    B
  • Corwith
    Not detected
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • Dover
    15.00 ppb
    Lead above the 15 ppb action level
    C
  • Elmira
    500.00 ppb
    Lead above the 15 ppb action level
    C
  • Gaylord
    Not detected
    No federal limits exceeded on record
    A
  • Bagley
    Not detected
    No federal limits exceeded on record
    A
  • Livingston
    Not detected
    No federal limits exceeded on record
    A
County Lead Level — Median 257.5 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 257.5 ppb — 1716.7% of the federal action level
Systems by Lead Level
10 – 15 ppb
2
No Data
5

All Cities in Otsego County

Gaylord Not detected A
Bagley Not detected A
Livingston Not detected A
Elmira 500.00 ppb C
Corwith Not detected B
Otsego Lake Not reported B
Dover 15.00 ppb C
Showing 7 cities
No active violations Active violations

About Otsego County Drinking Water

Otsego County is served by 5 water systems covering 7 communities. No community here has an open violation on record.

Of the communities reporting lead results, 2 recorded a detection, with a median of 257.50 ppb — 1717% of the federal action level. 4 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 no significant deficiencies.

Frequently Asked Questions

Is Otsego County tap water safe to drink?▼
No community in Otsego County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Otsego County?▼
Among communities with a detection the median is 257.50 ppb, 1717% of the 15 ppb action level. 4 reported none detected and 1 reported no result.
How many water systems serve Otsego County?▼
5 community water systems serve 7 communities here.
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