States › Minnesota › Roseau County

Roseau County, MN Water Quality

Water quality data for 8 public water systems serving Roseau County, Minnesota — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 8 water systems · 12 cities
✅
Excellent — All Systems Performing Well

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

A

Roseau County Earns a A

Roseau County: 12 communities across 8 water systems. 100.0% have no open violations.

  • Median lead where detected: 3.00 ppb
  • 1 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
3 ppb
Median Lead Level
County-wide, 90th percentile
8
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
  • Warroad
    3.00 ppb
    No federal limits exceeded on record
    B
  • Greenbush
    Not detected
    No federal limits exceeded on record
    B
  • Lake
    Not detected
    No federal limits exceeded on record
    B
  • Enstrom
    Not detected
    No federal limits exceeded on record
    B
  • Cedarbend
    Not detected
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • Spruce
    Not detected
    24 health-based violations since 2015
    B
  • Stokes
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Roseau
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Badger
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Jadis
    Not detected
    Copper above the 1,300 ppb action level
    B
County Lead Level — Median 3 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 3 ppb — 20% of the federal action level
Systems by Lead Level
Under 5 ppb
1
No Data
11

All Cities in Roseau County

Roseau Not detected B
Warroad 3.00 ppb B
Greenbush Not detected B
Badger Not detected B
Lake Not detected B
Enstrom Not detected B
Spruce Not detected B
Cedarbend Not detected B
Jadis Not detected B
Hereim Not detected B
Skagen Not detected B
Stokes Not detected B
Showing 12 cities
No active violations Active violations

About Roseau County Drinking Water

Roseau County is served by 8 water systems covering 12 communities. No community here has an open violation on record.

Of the communities reporting lead results, 1 recorded a detection, with a median of 3.00 ppb — 20% 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 Roseau County tap water safe to drink?▼
No community in Roseau County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Roseau County?▼
Among communities with a detection the median is 3.00 ppb, 20% of the 15 ppb action level. 11 reported none detected and 0 reported no result.
How many water systems serve Roseau County?▼
8 community water systems serve 12 communities here.
← Back to Minnesota water quality overview