States › Minnesota › Anoka County

Anoka County, MN Water Quality

Water quality data for 20 public water systems serving Anoka County, Minnesota — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 20 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

Anoka County Earns a A

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

  • Median lead where detected: 2.00 ppb
  • 4 communities with a lead detection, 16 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
20
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
  • Fridley
    Not detected
    No federal limits exceeded on record
    A
  • Andover
    Not detected
    No federal limits exceeded on record
    A
  • Columbia Heights
    Not detected
    No federal limits exceeded on record
    B
  • Lino Lakes
    2.00 ppb
    No federal limits exceeded on record
    A
  • Ramsey
    Not detected
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Lexington
    Not detected
    7 health-based violations since 2015
    B
  • Blaine
    Not detected
    Copper above the 1,300 ppb action level
    A
  • Coon Rapids
    Not detected
    Copper above the 1,300 ppb action level
    A
  • Columbus
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Nowthen
    6.00 ppb
    Lead at 6.00 ppb, above a third of the action level
    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
3
5 – 10 ppb
1
No Data
16

All Cities in Anoka County

Blaine Not detected A
Coon Rapids Not detected A
Fridley Not detected A
Andover Not detected A
Columbia Heights Not detected B
Lino Lakes 2.00 ppb A
Ramsey Not detected A
Anoka 2.00 ppb A
Spring Lake Park 2.00 ppb A
St. Francis Not detected A
Circle Pines Not detected A
Centerville Not detected A
Lexington Not detected B
Hilltop Not detected B
Oak Grove Not detected B
Ham Lake Not detected B
East Bethel Not detected B
Linwood Not detected B
Columbus Not detected B
Nowthen 6.00 ppb B
Showing 20 cities
No active violations Active violations

About Anoka County Drinking Water

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

Of the communities reporting lead results, 4 recorded a detection, with a median of 2.00 ppb — 13% of the federal action level. 16 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 Anoka County tap water safe to drink?▼
No community in Anoka County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Anoka County?▼
Among communities with a detection the median is 2.00 ppb, 13% of the 15 ppb action level. 16 reported none detected and 0 reported no result.
How many water systems serve Anoka County?▼
20 community water systems serve 20 communities here.
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