States › Michigan › Jackson County

Jackson County, MI Water Quality

Water quality data for 17 public water systems serving Jackson County, Michigan — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 17 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

Jackson County Earns a A

Jackson County: 20 communities across 17 water systems. 100.0% have no open violations.

  • Median lead where detected: 1.00 ppb
  • 8 communities with a lead detection, 11 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
1 ppb
Median Lead Level
County-wide, 90th percentile
17
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
  • Liberty
    Not detected
    No federal limits exceeded on record
    B
  • Summit
    1.00 ppb
    No federal limits exceeded on record
    A
  • Concord
    2.00 ppb
    No federal limits exceeded on record
    B
  • Columbia
    3.60 ppb
    No federal limits exceeded on record
    B
  • Parma
    Not detected
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • Spring Arbor
    1.00 ppb
    4 health-based violations since 2015
    B
  • Springport
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Grass Lake charter
    12.00 ppb
    Lead at 12.00 ppb, above a third of the action level
    B
  • Jackson
    Not detected
    1 health-based violation since 2015
    A
  • Blackman charter
    Not detected
    1 health-based violation since 2015
    A
County Lead Level — Median 1 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1 ppb — 6.7% of the federal action level
Systems by Lead Level
Under 5 ppb
7
10 – 15 ppb
1
No Data
12

All Cities in Jackson County

Jackson Not detected A
Summit 1.00 ppb A
Blackman charter Not detected A
Grass Lake charter 12.00 ppb B
Concord 2.00 ppb B
Leoni Not detected A
Columbia 3.60 ppb B
Springport Not detected B
Napoleon 1.00 ppb B
Parma Not detected B
Waterloo Not detected B
Rives Not detected B
Vineyard Lake Not detected B
Norvell Not detected B
Spring Arbor 1.00 ppb B
Sandstone Not detected B
Hanover Not reported B
Parma 1.00 ppb B
Henrietta 1.00 ppb B
Liberty Not detected B
Showing 20 cities
No active violations Active violations

About Jackson County Drinking Water

Jackson County is served by 17 water systems covering 20 communities. No community here has an open violation on record.

Of the communities reporting lead results, 8 recorded a detection, with a median of 1.00 ppb — 7% of the federal action level. 11 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 Jackson County tap water safe to drink?▼
No community in Jackson County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Jackson County?▼
Among communities with a detection the median is 1.00 ppb, 7% of the 15 ppb action level. 11 reported none detected and 1 reported no result.
How many water systems serve Jackson County?▼
17 community water systems serve 20 communities here.
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