States › Oklahoma › Mayes County

Mayes County, OK Water Quality

Water quality data for 14 public water systems serving Mayes County, Oklahoma — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 14 water systems · 26 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

Mayes County Earns a B

Mayes County: 26 communities across 14 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.00 ppb
  • 9 communities with a lead detection, 17 reporting none detected
  • 4 communities with PFAS above the federal limit
  • 8 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2 ppb
Median Lead Level
County-wide, 90th percentile
14
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
  • Adair
    1.70 ppb
    No federal limits exceeded on record
    B
  • Wickliffe
    Not detected
    No federal limits exceeded on record
    B
  • Salina
    Not detected
    No federal limits exceeded on record
    B
  • Sportmans Shores
    Not detected
    No federal limits exceeded on record
    B
  • Pensacola
    Not detected
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Chouteau
    Not detected
    PFAS above the limit at 1 of 1 sampling points
    C
  • Pin Oak Acres
    Not detected
    PFAS above the limit at 1 of 1 sampling points
    C
  • Sams Corner
    Not detected
    PFAS above the limit at 1 of 1 sampling points
    C
  • Mazie
    Not detected
    PFAS above the limit at 1 of 1 sampling points
    C
  • Disney
    Not detected
    1 significant inspection deficiency
    C
County Lead Level — Median 2 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2 ppb — 13.3% of the federal action level
Systems by Lead Level
Under 5 ppb
9
No Data
17

All Cities in Mayes County

Pryor Creek Not detected B
Chouteau Not detected C
Locust Grove Not detected B
Adair 1.70 ppb B
Wickliffe Not detected B
Salina Not detected B
Kenwood 2.00 ppb B
Langley 1.30 ppb B
Pin Oak Acres Not detected C
Spavinaw 2.00 ppb B
Rose 2.00 ppb B
Disney Not detected C
Sportmans Shores Not detected B
Little Rock 2.00 ppb B
Snake Creek 2.00 ppb B
Sportsmen Acres Not detected A
Pump Back 2.00 ppb B
Ballou Not detected B
Cedar Crest Not detected B
Murphy Not detected B
Sams Corner Not detected C
Pensacola Not detected A
Grand Lake Towne 1.50 ppb A
Mazie Not detected C
Strang Not detected A
Iron Post Not detected B
Showing 26 cities
No active violations Active violations

About Mayes County Drinking Water

Mayes County is served by 14 water systems covering 26 communities. No community here has an open violation on record.

Of the communities reporting lead results, 9 recorded a detection, with a median of 2.00 ppb — 13% of the federal action level. 17 reported none detected, which means below the laboratory limit rather than an absence of lead.

4 of 26 communities have PFAS above the limits EPA set in 2024, measured as a running annual average at each sampling point. State inspectors recorded significant deficiencies at 8 of them.

Frequently Asked Questions

Is Mayes County tap water safe to drink?▼
No community in Mayes County has an open violation on record. 4 of 26 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Mayes County?▼
Among communities with a detection the median is 2.00 ppb, 13% of the 15 ppb action level. 17 reported none detected and 0 reported no result.
How many water systems serve Mayes County?▼
14 community water systems serve 26 communities here.
← Back to Oklahoma water quality overview