States › Oklahoma › Blaine County

Blaine County, OK Water Quality

Water quality data for 6 public water systems serving Blaine County, Oklahoma — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 6 water systems · 8 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

Blaine County Earns a B

Blaine County: 8 communities across 6 water systems. 100.0% have no open violations.

  • Median lead where detected: 11.60 ppb
  • 5 communities with a lead detection, 3 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
11.6 ppb
Median Lead Level
County-wide, 90th percentile
6
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
  • Canton
    Not detected
    No federal limits exceeded on record
    B
  • Longdale
    Not detected
    No federal limits exceeded on record
    B
  • Greenfield
    6.60 ppb
    1 health-based violation since 2015
    B
  • Geary
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Watonga
    1.80 ppb
    Copper above the 1,300 ppb action level
    C
⚠ Needs Attention
  • Okeene
    11.60 ppb
    Copper above the 1,300 ppb action level
    C
  • Hitchcock
    11.60 ppb
    Copper above the 1,300 ppb action level
    C
  • Homestead
    11.60 ppb
    Copper above the 1,300 ppb action level
    C
  • Geary
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Watonga
    1.80 ppb
    Copper above the 1,300 ppb action level
    C
County Lead Level — Median 11.6 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 11.6 ppb — 77.3% of the federal action level
Systems by Lead Level
Under 5 ppb
1
5 – 10 ppb
1
10 – 15 ppb
3
No Data
3

All Cities in Blaine County

Geary Not detected C
Watonga 1.80 ppb C
Canton Not detected B
Longdale Not detected B
Okeene 11.60 ppb C
Greenfield 6.60 ppb B
Hitchcock 11.60 ppb C
Homestead 11.60 ppb C
Showing 8 cities
No active violations Active violations

About Blaine County Drinking Water

Blaine County is served by 6 water systems covering 8 communities. No community here has an open violation on record.

Of the communities reporting lead results, 5 recorded a detection, with a median of 11.60 ppb — 77% of the federal action level. 3 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 Blaine County tap water safe to drink?▼
No community in Blaine County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Blaine County?▼
Among communities with a detection the median is 11.60 ppb, 77% of the 15 ppb action level. 3 reported none detected and 0 reported no result.
How many water systems serve Blaine County?▼
6 community water systems serve 8 communities here.
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