States › Minnesota › Norman County

Norman County, MN Water Quality

Water quality data for 9 public water systems serving Norman County, Minnesota — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 9 water systems · 17 cities
✅
Excellent — All Systems Performing Well

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

A

Norman County Earns a A

Norman County: 17 communities across 9 water systems. 88.2% have no open violations.

  • Median lead where detected: 2.50 ppb
  • 4 communities with a lead detection, 13 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 88.2% of communities have no open violations
2.5 ppb
Median Lead Level
County-wide, 90th percentile
9
Water Systems
Active CWS & NTNCWS
88%
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
  • Halstad
    4.00 ppb
    No federal limits exceeded on record
    B
  • Ada
    Not detected
    No federal limits exceeded on record
    B
  • Halstad
    4.00 ppb
    No federal limits exceeded on record
    B
  • Hendrum
    Not detected
    No federal limits exceeded on record
    B
  • Shelly
    Not detected
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • Gary
    Not detected
    1 violation currently open
    C
  • Strand
    Not detected
    1 violation currently open
    C
  • Twin Valley
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Wild Rice
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Winchester
    1.00 ppb
    1 health-based violation since 2015
    B
County Lead Level — Median 2.5 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.5 ppb — 16.7% of the federal action level
Systems by Lead Level
Under 5 ppb
4
No Data
13

All Cities in Norman County

Ada Not detected B
Twin Valley Not detected B
Halstad 4.00 ppb B
Hendrum Not detected B
Gary Not detected C
Shelly Not detected B
Perley Not detected B
Borup 1.00 ppb B
McDonaldsville Not detected B
Flom Not detected B
Shelly Not detected B
Wild Rice Not detected B
Strand Not detected C
Lee Not detected B
Hendrum Not detected B
Halstad 4.00 ppb B
Winchester 1.00 ppb B
Showing 17 cities
No active violations Active violations

About Norman County Drinking Water

Norman County is served by 9 water systems covering 17 communities. 88% have no open violations.

Of the communities reporting lead results, 4 recorded a detection, with a median of 2.50 ppb — 17% 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 no significant deficiencies.

Frequently Asked Questions

Is Norman County tap water safe to drink?▼
88% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Norman County?▼
Among communities with a detection the median is 2.50 ppb, 17% of the 15 ppb action level. 13 reported none detected and 0 reported no result.
How many water systems serve Norman County?▼
9 community water systems serve 17 communities here.
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