States › Pennsylvania › Lycoming County

Lycoming County, PA Water Quality

Water quality data for 20 public water systems serving Lycoming County, Pennsylvania — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 20 water systems · 33 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

Lycoming County Earns a B

Lycoming County: 33 communities across 20 water systems. 90.9% have no open violations.

  • Median lead where detected: 3.00 ppb
  • 31 communities with a lead detection, 1 reporting none detected
  • 1 communities with PFAS above the federal limit
  • 2 with significant inspection deficiencies
  • 90.9% of communities have no open violations
3 ppb
Median Lead Level
County-wide, 90th percentile
20
Water Systems
Active CWS & NTNCWS
90%
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
  • McNett
    Not detected
    No federal limits exceeded on record
    B
  • Fairfield
    4.00 ppb
    No federal limits exceeded on record
    B
  • Watson
    6.00 ppb
    Lead at 6.00 ppb, above a third of the action level
    B
  • Woodward
    5.00 ppb
    Lead at 5.00 ppb, above a third of the action level
    B
  • Williamsport
    2.00 ppb
    Copper above the 1,300 ppb action level
    A
⚠ Needs Attention
  • Eldred
    40.00 ppb
    Lead above the 15 ppb action level
    F
  • McIntyre
    3.50 ppb
    1 violation currently open
    D
  • Hughesville
    29.60 ppb
    Lead above the 15 ppb action level
    D
  • Wolf
    29.60 ppb
    Lead above the 15 ppb action level
    D
  • Lycoming
    3.00 ppb
    1 violation currently open
    D
County Lead Level — Median 3 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 3 ppb — 20% of the federal action level
Systems by Lead Level
Under 5 ppb
18
5 – 10 ppb
4
10 – 15 ppb
9
No Data
2

All Cities in Lycoming County

Williamsport 2.00 ppb A
Loyalsock 2.00 ppb A
South Williamsport 2.00 ppb A
Montoursville 1.08 ppb C
Jersey Shore 3.00 ppb B
Old Lycoming 2.00 ppb A
Muncy 890.00 ppb C
Hughesville 29.60 ppb D
Montgomery 5.00 ppb B
Clinton 23.00 ppb C
Wolf 29.60 ppb D
Muncy Creek 890.00 ppb C
Duboistown 2.00 ppb A
Fairfield 4.00 ppb B
Limestone 20.00 ppb C
Porter 3.00 ppb B
Mifflin 3.00 ppb B
Nippenose 3.00 ppb B
Woodward 5.00 ppb B
Armstrong 2.00 ppb A
McIntyre 3.50 ppb D
Muncy Not reported B
Salladasburg 3.00 ppb B
Piatt 3.00 ppb B
Eldred 40.00 ppb F
Upper Fairfield 1.00 ppb B
Hepburn 5.00 ppb B
Cummings 30.06 ppb C
Lewis 16.00 ppb C
Lycoming 3.00 ppb D
Anthony 3.00 ppb B
Watson 6.00 ppb B
McNett Not detected B
Showing 33 cities
No active violations Active violations

About Lycoming County Drinking Water

Lycoming County is served by 20 water systems covering 33 communities. 91% have no open violations.

Of the communities reporting lead results, 31 recorded a detection, with a median of 3.00 ppb — 20% of the federal action level. 1 reported none detected, which means below the laboratory limit rather than an absence of lead.

1 of 33 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 2 of them.

Frequently Asked Questions

Is Lycoming County tap water safe to drink?▼
91% of communities have no open violation. 1 of 33 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Lycoming County?▼
Among communities with a detection the median is 3.00 ppb, 20% of the 15 ppb action level. 1 reported none detected and 1 reported no result.
How many water systems serve Lycoming County?▼
20 community water systems serve 33 communities here.
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