States › Pennsylvania › McKean County

McKean County, PA Water Quality

Water quality data for 15 public water systems serving McKean County, Pennsylvania — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 15 water systems · 21 cities
⚠️
Caution Advised — Some Systems Need Attention

Some systems have elevated lead levels or active violations. Check your specific city below.

C

McKean County Earns a C

McKean County: 21 communities across 15 water systems. 85.7% have no open violations.

  • Median lead where detected: 5.00 ppb
  • 17 communities with a lead detection, 3 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 10 with significant inspection deficiencies
  • 85.7% of communities have no open violations
5 ppb
Median Lead Level
County-wide, 90th percentile
15
Water Systems
Active CWS & NTNCWS
85%
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
  • Kane
    Not detected
    No federal limits exceeded on record
    A
  • Wetmore
    Not detected
    No federal limits exceeded on record
    A
  • Lewis Run
    5.00 ppb
    Lead at 5.00 ppb, above a third of the action level
    B
  • Otto
    6.20 ppb
    Lead at 6.20 ppb, above a third of the action level
    B
  • Sergeant
    6.00 ppb
    Lead at 6.00 ppb, above a third of the action level
    B
⚠ Needs Attention
  • Bradford
    1.29 ppb
    1 violation currently open
    D
  • Bradford
    1.29 ppb
    1 violation currently open
    D
  • Foster
    1.29 ppb
    1 violation currently open
    D
  • Port Allegany
    20.60 ppb
    Lead above the 15 ppb action level
    D
  • Liberty
    20.60 ppb
    Lead above the 15 ppb action level
    D
County Lead Level — Median 5 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 5 ppb — 33.3% of the federal action level
Systems by Lead Level
Under 5 ppb
5
5 – 10 ppb
6
10 – 15 ppb
6
No Data
4

All Cities in McKean County

Bradford 1.29 ppb D
Bradford 1.29 ppb D
Kane Not detected A
Foster 1.29 ppb D
Port Allegany 20.60 ppb D
Smethport 1000.00 ppb C
Wetmore Not detected A
Mount Jewett 1000.00 ppb C
Keating 1000.00 ppb C
Eldred 1.00 ppb B
Lewis Run 5.00 ppb B
Liberty 20.60 ppb D
Otto 6.20 ppb B
Hamilton Not reported B
Hamlin Not detected B
Norwich 5.00 ppb D
Sergeant 6.00 ppb B
Rew 5.00 ppb C
Lafayette 15.20 ppb C
Eldred 1.00 ppb B
Ceres 5.00 ppb B
Showing 21 cities
No active violations Active violations

About McKean County Drinking Water

McKean County is served by 15 water systems covering 21 communities. 86% have no open violations.

Of the communities reporting lead results, 17 recorded a detection, with a median of 5.00 ppb — 33% 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 significant deficiencies at 10 of them.

Frequently Asked Questions

Is McKean County tap water safe to drink?▼
86% of communities have no open violation. No community has PFAS above the federal limit on record.
What is the lead level in McKean County?▼
Among communities with a detection the median is 5.00 ppb, 33% of the 15 ppb action level. 3 reported none detected and 1 reported no result.
How many water systems serve McKean County?▼
15 community water systems serve 21 communities here.
← Back to Pennsylvania water quality overview