States › South Dakota › Todd County

Todd County, SD Water Quality

Water quality data for 3 public water systems serving Todd County, South Dakota — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 3 water systems · 11 cities
⚠️
Caution Advised — Some Systems Need Attention

Some systems have elevated lead levels or active violations. Check your specific city below.

C

Todd County Earns a C

Todd County: 11 communities across 3 water systems. 9.1% have no open violations.

  • Median lead where detected: 0.35 ppb
  • 11 communities with a lead detection, 0 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 10 with significant inspection deficiencies
  • 9.1% of communities have no open violations
0.35 ppb
Median Lead Level
County-wide, 90th percentile
3
Water Systems
Active CWS & NTNCWS
9%
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
  • Mission
    0.59 ppb
    No federal limits exceeded on record
    A
  • Rosebud
    0.35 ppb
    1 violation currently open
    D
  • Antelope
    0.35 ppb
    1 violation currently open
    D
  • Parmelee
    0.35 ppb
    1 violation currently open
    D
  • Two Strike
    0.35 ppb
    1 violation currently open
    D
⚠ Needs Attention
  • Rosebud
    0.35 ppb
    1 violation currently open
    D
  • Antelope
    0.35 ppb
    1 violation currently open
    D
  • Parmelee
    0.35 ppb
    1 violation currently open
    D
  • Two Strike
    0.35 ppb
    1 violation currently open
    D
  • Spring Creek
    0.35 ppb
    1 violation currently open
    D
County Lead Level — Median 0.35 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 0.35 ppb — 2.3% of the federal action level
Systems by Lead Level
Under 5 ppb
11

All Cities in Todd County

Rosebud 0.35 ppb D
Antelope 0.35 ppb D
Mission 0.59 ppb A
Parmelee 0.35 ppb D
Two Strike 0.35 ppb D
Spring Creek 0.35 ppb D
St. Francis 0.18 ppb D
White Horse 0.35 ppb D
Soldier Creek 0.35 ppb D
Okreek 0.35 ppb D
Sicangu Village 0.35 ppb D
Showing 11 cities
No active violations Active violations

About Todd County Drinking Water

Todd County is served by 3 water systems covering 11 communities. 9% have no open violations.

Of the communities reporting lead results, 11 recorded a detection, with a median of 0.35 ppb — 2% of the federal action level. 0 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 10 of them.

Frequently Asked Questions

Is Todd County tap water safe to drink?▼
9% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Todd County?▼
Among communities with a detection the median is 0.35 ppb, 2% of the 15 ppb action level. 0 reported none detected and 0 reported no result.
How many water systems serve Todd County?▼
3 community water systems serve 11 communities here.
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