States › Michigan › Ingham County

Ingham County, MI Water Quality

Water quality data for 14 public water systems serving Ingham County, Michigan — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 14 water systems · 20 cities
✅
Excellent — All Systems Performing Well

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

A

Ingham County Earns a A

Ingham County: 20 communities across 14 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.00 ppb
  • 7 communities with a lead detection, 13 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2 ppb
Median Lead Level
County-wide, 90th percentile
14
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
  • Wheatfield
    Not detected
    No federal limits exceeded on record
    A
  • Lansing
    Not detected
    No federal limits exceeded on record
    A
  • East Lansing
    Not detected
    No federal limits exceeded on record
    A
  • Meridian charter
    Not detected
    No federal limits exceeded on record
    A
  • Delhi charter
    Not detected
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Alaiedon
    39.00 ppb
    Lead above the 15 ppb action level
    C
  • Leslie
    6.00 ppb
    Copper above the 1,300 ppb action level
    C
  • Leslie
    6.00 ppb
    Copper above the 1,300 ppb action level
    C
  • Onondaga
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Vevay
    Not detected
    4 health-based violations since 2015
    B
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
4
5 – 10 ppb
2
10 – 15 ppb
1
No Data
13

All Cities in Ingham County

Lansing Not detected A
East Lansing Not detected A
Meridian charter Not detected A
Delhi charter Not detected A
Mason 1.70 ppb A
Lansing charter Not detected A
Williamston Not detected A
Leslie 6.00 ppb C
Leroy 1.00 ppb B
Stockbridge Not detected B
Aurelius 2.00 ppb B
Ingham 1.00 ppb B
Williamstown Not detected A
Onondaga Not detected B
Vevay Not detected B
Leslie 6.00 ppb C
Alaiedon 39.00 ppb C
Locke Not detected A
White Oak Not detected B
Wheatfield Not detected A
Showing 20 cities
No active violations Active violations

About Ingham County Drinking Water

Ingham County is served by 14 water systems covering 20 communities. No community here has an open violation on record.

Of the communities reporting lead results, 7 recorded a detection, with a median of 2.00 ppb — 13% of the federal action level. 13 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 Ingham County tap water safe to drink?▼
No community in Ingham County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Ingham County?▼
Among communities with a detection the median is 2.00 ppb, 13% of the 15 ppb action level. 13 reported none detected and 0 reported no result.
How many water systems serve Ingham County?▼
14 community water systems serve 20 communities here.
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