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Grady County, OK Water Quality

Water quality data for 11 public water systems serving Grady County, Oklahoma — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 11 water systems · 12 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

Grady County Earns a B

Grady County: 12 communities across 11 water systems. 91.7% have no open violations.

  • Median lead where detected: 2.10 ppb
  • 3 communities with a lead detection, 9 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 5 with significant inspection deficiencies
  • 91.7% of communities have no open violations
2.1 ppb
Median Lead Level
County-wide, 90th percentile
11
Water Systems
Active CWS & NTNCWS
91%
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
  • Rush Springs
    1.26 ppb
    No federal limits exceeded on record
    B
  • Tuttle
    Not detected
    1 health-based violation since 2015
    A
  • Ninnekah
    Not detected
    1 health-based violation since 2015
    B
  • Alex
    Not detected
    1 health-based violation since 2015
    B
  • Bridge Creek
    Not detected
    1 health-based violation since 2015
    A
⚠ Needs Attention
  • Bradley
    Not detected
    1 violation currently open
    D
  • Chickasha
    3.75 ppb
    1 significant inspection deficiency
    C
  • Minco
    Not detected
    1 significant inspection deficiency
    B
  • Pocasset
    Not detected
    2 significant inspection deficiencies
    B
  • Amber
    Not detected
    11 health-based violations since 2015
    B
County Lead Level — Median 2.1 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.1 ppb — 14% of the federal action level
Systems by Lead Level
Under 5 ppb
3
No Data
9

All Cities in Grady County

Chickasha 3.75 ppb C
Tuttle Not detected A
Rush Springs 1.26 ppb B
Minco Not detected B
Ninnekah Not detected B
Verden 2.10 ppb B
Alex Not detected B
Amber Not detected B
Pocasset Not detected B
Norge Not detected B
Bradley Not detected D
Bridge Creek Not detected A
Showing 12 cities
No active violations Active violations

About Grady County Drinking Water

Grady County is served by 11 water systems covering 12 communities. 92% have no open violations.

Of the communities reporting lead results, 3 recorded a detection, with a median of 2.10 ppb — 14% of the federal action level. 9 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 Grady County tap water safe to drink?▼
92% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in Grady County?▼
Among communities with a detection the median is 2.10 ppb, 14% of the 15 ppb action level. 9 reported none detected and 0 reported no result.
How many water systems serve Grady County?▼
11 community water systems serve 12 communities here.
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