States › Oklahoma › Sequoyah County

Sequoyah County, OK Water Quality

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

📅 2026 Report 🔄 Data updated 2026 Q2 📍 13 water systems · 30 cities
✅
Generally Safe — Most Systems Performing Well

The majority of water systems have no active violations and lead levels well below the federal action level.

B

Sequoyah County Earns a B

Sequoyah County: 30 communities across 13 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.80 ppb
  • 4 communities with a lead detection, 26 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 5 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2.8 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
  • Roland
    Not detected
    2 health-based violations since 2015
    B
  • Short
    Not detected
    1 health-based violation since 2015
    B
  • Moffett
    Not detected
    1 health-based violation since 2015
    B
  • Carlisle
    Not detected
    1 significant inspection deficiency
    B
  • Redbird Smith
    Not detected
    1 significant inspection deficiency
    B
⚠ Needs Attention
  • Hanson
    1.50 ppb
    1 significant inspection deficiency
    C
  • Muldrow
    9.60 ppb
    12 health-based violations since 2015
    B
  • Vian
    Not detected
    1 significant inspection deficiency
    B
  • Sallisaw
    1.10 ppb
    5 health-based violations since 2015
    B
  • Gore
    Not detected
    12 health-based violations since 2015
    B
County Lead Level — Median 2.8 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.8 ppb — 18.7% of the federal action level
Systems by Lead Level
Under 5 ppb
3
5 – 10 ppb
1
No Data
26

All Cities in Sequoyah County

Sallisaw 1.10 ppb B
Roland Not detected B
Muldrow 9.60 ppb B
Vian Not detected B
Gore Not detected B
Brushy Not detected B
Brent Not detected B
Carlisle Not detected B
Redbird Smith Not detected B
Long Not detected B
Akins Not detected B
Remy Not detected B
Evening Shade Not detected B
Belfonte Not detected B
Short Not detected B
Nicut Not detected B
Gans Not detected B
Notchietown Not detected B
Liberty Not detected B
Marble City Not detected B
Box Not detected B
Pinhook Corner Not detected B
Flute Springs 4.10 ppb B
Dwight Mission Not detected B
Paradise Hill Not detected B
Hanson 1.50 ppb C
Blackgum Not detected B
Moffett Not detected B
Stoney Point Not detected B
Badger Lee Not detected B
Showing 30 cities
No active violations Active violations

About Sequoyah County Drinking Water

Sequoyah County is served by 13 water systems covering 30 communities. No community here has an open violation on record.

Of the communities reporting lead results, 4 recorded a detection, with a median of 2.80 ppb — 19% of the federal action level. 26 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 5 of them.

Frequently Asked Questions

Is Sequoyah County tap water safe to drink?▼
No community in Sequoyah County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Sequoyah County?▼
Among communities with a detection the median is 2.80 ppb, 19% of the 15 ppb action level. 26 reported none detected and 0 reported no result.
How many water systems serve Sequoyah County?▼
13 community water systems serve 30 communities here.
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