States › Oklahoma › Pittsburg County

Pittsburg County, OK Water Quality

Water quality data for 14 public water systems serving Pittsburg 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 · 23 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

Pittsburg County Earns a B

Pittsburg County: 23 communities across 14 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.89 ppb
  • 17 communities with a lead detection, 6 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2.89 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
  • Ashland
    4.16 ppb
    Copper above the 1,300 ppb action level
    B
  • McAlester
    3.60 ppb
    59 health-based violations since 2015
    B
  • Longtown
    2.10 ppb
    23 health-based violations since 2015
    B
  • Hartshorne
    2.90 ppb
    46 health-based violations since 2015
    B
  • Quinton
    Not detected
    9 health-based violations since 2015
    B
⚠ Needs Attention
  • Pittsburg
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Bug Tussle
    6.38 ppb
    42 health-based violations since 2015
    B
  • Blanco
    6.38 ppb
    42 health-based violations since 2015
    B
  • Bache
    6.38 ppb
    42 health-based violations since 2015
    B
  • Adamson
    6.38 ppb
    42 health-based violations since 2015
    B
County Lead Level — Median 2.89 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.89 ppb — 19.3% of the federal action level
Systems by Lead Level
Under 5 ppb
13
5 – 10 ppb
4
No Data
6

All Cities in Pittsburg County

McAlester 3.60 ppb B
Longtown 2.10 ppb B
Hartshorne 2.90 ppb B
Quinton Not detected B
Krebs 2.89 ppb B
Haileyville 2.17 ppb B
Savanna 0.70 ppb B
Kiowa 1.83 ppb B
Crowder Not detected B
Arpelar 2.31 ppb B
Canadian Shores Not detected B
Bug Tussle 6.38 ppb B
Alderson 2.89 ppb B
Pittsburg Not detected C
Indianola Not detected B
Haywood 2.31 ppb B
Blanco 6.38 ppb B
Canadian Not detected B
Bache 6.38 ppb B
Adamson 6.38 ppb B
Scipio 2.31 ppb B
Ashland 4.16 ppb B
Carlton Landing 2.10 ppb B
Showing 23 cities
No active violations Active violations

About Pittsburg County Drinking Water

Pittsburg County is served by 14 water systems covering 23 communities. No community here has an open violation on record.

Of the communities reporting lead results, 17 recorded a detection, with a median of 2.89 ppb — 19% of the federal action level. 6 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 Pittsburg County tap water safe to drink?▼
No community in Pittsburg County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Pittsburg County?▼
Among communities with a detection the median is 2.89 ppb, 19% of the 15 ppb action level. 6 reported none detected and 0 reported no result.
How many water systems serve Pittsburg County?▼
14 community water systems serve 23 communities here.
← Back to Oklahoma water quality overview