States › Minnesota › Aitkin County

Aitkin County, MN Water Quality

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

📅 2026 Report 🔄 Data updated 2026 Q2 📍 6 water systems · 12 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

Aitkin County Earns a B

Aitkin County: 12 communities across 6 water systems. 83.3% have no open violations.

  • Median lead where detected: 10.00 ppb
  • 6 communities with a lead detection, 6 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 3 with significant inspection deficiencies
  • 83.3% of communities have no open violations
10 ppb
Median Lead Level
County-wide, 90th percentile
6
Water Systems
Active CWS & NTNCWS
83%
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
  • Aitkin
    4.00 ppb
    No federal limits exceeded on record
    B
  • Hill City
    Not detected
    No federal limits exceeded on record
    B
  • Hill Lake
    Not detected
    No federal limits exceeded on record
    B
  • Spencer
    4.00 ppb
    No federal limits exceeded on record
    B
  • Malmo
    Not detected
    1 health-based violation since 2015
    B
⚠ Needs Attention
  • Palisade
    Not detected
    1 violation currently open
    D
  • Logan
    Not detected
    1 violation currently open
    D
  • Aitkin
    Not detected
    2 significant inspection deficiencies
    B
  • Spalding
    10.00 ppb
    Lead at 10.00 ppb, above a third of the action level
    B
  • McGregor
    10.00 ppb
    Lead at 10.00 ppb, above a third of the action level
    B
County Lead Level — Median 10 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 10 ppb — 66.7% of the federal action level
Systems by Lead Level
Under 5 ppb
2
10 – 15 ppb
4
No Data
6

All Cities in Aitkin County

Aitkin 4.00 ppb B
Hill City Not detected B
McGregor 10.00 ppb B
Palisade Not detected D
Aitkin Not detected B
Hill Lake Not detected B
Jevne 10.00 ppb B
Malmo Not detected B
Spencer 4.00 ppb B
Logan Not detected D
McGregor 10.00 ppb B
Spalding 10.00 ppb B
Showing 12 cities
No active violations Active violations

About Aitkin County Drinking Water

Aitkin County is served by 6 water systems covering 12 communities. 83% have no open violations.

Of the communities reporting lead results, 6 recorded a detection, with a median of 10.00 ppb — 67% of the federal action level. 6 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 Aitkin County tap water safe to drink?▼
83% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Aitkin County?▼
Among communities with a detection the median is 10.00 ppb, 67% of the 15 ppb action level. 6 reported none detected and 0 reported no result.
How many water systems serve Aitkin County?▼
6 community water systems serve 12 communities here.
← Back to Minnesota water quality overview