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Jackson County, WI Water Quality

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

📅 2026 Report 🔄 Data updated 2026 Q2 📍 10 water systems · 18 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

Jackson County Earns a B

Jackson County: 18 communities across 10 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.30 ppb
  • 5 communities with a lead detection, 13 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 3 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2.3 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
  • Springfield
    Not detected
    No federal limits exceeded on record
    B
  • Taylor
    Not detected
    No federal limits exceeded on record
    B
  • Melrose
    Not detected
    1 health-based violation since 2015
    B
  • Garden Valley
    Not detected
    2 health-based violations since 2015
    B
  • Melrose
    Not detected
    1 health-based violation since 2015
    B
⚠ Needs Attention
  • Cleveland
    5.58 ppb
    1 significant inspection deficiency
    C
  • Irving
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Black River Falls
    2.30 ppb
    Copper above the 1,300 ppb action level
    B
  • Merrillan
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Albion
    Not detected
    Copper above the 1,300 ppb action level
    B
County Lead Level — Median 2.3 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.3 ppb — 15.3% of the federal action level
Systems by Lead Level
Under 5 ppb
4
5 – 10 ppb
1
No Data
13

All Cities in Jackson County

Black River Falls 2.30 ppb B
Brockway 0.77 ppb B
Melrose Not detected B
Alma Center Not detected B
Taylor Not detected B
Merrillan Not detected B
Hixton Not detected B
Northfield Not detected B
Komensky 0.77 ppb B
Albion Not detected B
Adams 2.30 ppb B
Alma Not detected B
Hixton Not detected B
Cleveland 5.58 ppb C
Melrose Not detected B
Garden Valley Not detected B
Springfield Not detected B
Irving Not detected B
Showing 18 cities
No active violations Active violations

About Jackson County Drinking Water

Jackson County is served by 10 water systems covering 18 communities. No community here has an open violation on record.

Of the communities reporting lead results, 5 recorded a detection, with a median of 2.30 ppb — 15% 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 significant deficiencies at 3 of them.

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 2.30 ppb, 15% of the 15 ppb action level. 13 reported none detected and 0 reported no result.
How many water systems serve Jackson County?▼
10 community water systems serve 18 communities here.
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