States › Iowa › Kossuth County

Kossuth County, IA Water Quality

Water quality data for 13 public water systems serving Kossuth County, Iowa — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 13 water systems · 13 cities
✅
Excellent — All Systems Performing Well

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

A

Kossuth County Earns a A

Kossuth County: 13 communities across 13 water systems. 100.0% have no open violations.

  • Median lead where detected: 5.00 ppb
  • 11 communities with a lead detection, 2 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 3 with significant inspection deficiencies
  • 100.0% of communities have no open violations
5 ppb
Median Lead Level
County-wide, 90th percentile
13
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
  • Swea City
    2.00 ppb
    No federal limits exceeded on record
    B
  • Wesley
    4.00 ppb
    No federal limits exceeded on record
    B
  • Lu Verne
    4.00 ppb
    No federal limits exceeded on record
    B
  • Ledyard
    2.00 ppb
    No federal limits exceeded on record
    B
  • Irvington
    Not detected
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • Algona
    5.00 ppb
    Copper above the 1,300 ppb action level
    B
  • Lakota
    5.00 ppb
    1 significant inspection deficiency
    B
  • Bancroft
    Not detected
    1 significant inspection deficiency
    A
  • Lone Rock
    3.00 ppb
    1 significant inspection deficiency
    B
  • Titonka
    6.00 ppb
    Lead at 6.00 ppb, above a third of the action level
    B
County Lead Level — Median 5 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 5 ppb — 33.3% of the federal action level
Systems by Lead Level
Under 5 ppb
5
5 – 10 ppb
4
10 – 15 ppb
2
No Data
2

All Cities in Kossuth County

Algona 5.00 ppb B
Bancroft Not detected A
Swea City 2.00 ppb B
Titonka 6.00 ppb B
Whittemore 9.50 ppb B
Burt 14.00 ppb B
Wesley 4.00 ppb B
Fenton 14.00 ppb B
Lu Verne 4.00 ppb B
Lakota 5.00 ppb B
Lone Rock 3.00 ppb B
Ledyard 2.00 ppb B
Irvington Not detected B
Showing 13 cities
No active violations Active violations

About Kossuth County Drinking Water

Kossuth County is served by 13 water systems covering 13 communities. No community here has an open violation on record.

Of the communities reporting lead results, 11 recorded a detection, with a median of 5.00 ppb — 33% of the federal action level. 2 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 Kossuth County tap water safe to drink?▼
No community in Kossuth County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Kossuth County?▼
Among communities with a detection the median is 5.00 ppb, 33% of the 15 ppb action level. 2 reported none detected and 0 reported no result.
How many water systems serve Kossuth County?▼
13 community water systems serve 13 communities here.
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