States › Pennsylvania › Centre County

Centre County, PA Water Quality

Water quality data for 24 public water systems serving Centre County, Pennsylvania — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 24 water systems · 40 cities
✅
Excellent — All Systems Performing Well

Water quality across the county is outstanding with minimal violations and very low lead levels.

A

Centre County Earns a A

Centre County: 40 communities across 24 water systems. 100.0% have no open violations.

  • Median lead where detected: 3.70 ppb
  • 34 communities with a lead detection, 5 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 2 with significant inspection deficiencies
  • 100.0% of communities have no open violations
3.7 ppb
Median Lead Level
County-wide, 90th percentile
24
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
  • State College
    3.70 ppb
    No federal limits exceeded on record
    A
  • Ferguson
    3.70 ppb
    No federal limits exceeded on record
    A
  • Patton
    3.70 ppb
    No federal limits exceeded on record
    A
  • Park Forest Village
    3.70 ppb
    No federal limits exceeded on record
    A
  • College
    2.40 ppb
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Centre Hall
    43.27 ppb
    Lead above the 15 ppb action level
    C
  • Potter
    43.27 ppb
    Lead above the 15 ppb action level
    C
  • Curtin
    26.00 ppb
    Lead above the 15 ppb action level
    C
  • Haines
    11.00 ppb
    Copper above the 1,300 ppb action level
    B
  • Penn
    9.00 ppb
    Copper above the 1,300 ppb action level
    B
County Lead Level — Median 3.7 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 3.7 ppb — 24.7% of the federal action level
Systems by Lead Level
Under 5 ppb
22
5 – 10 ppb
2
10 – 15 ppb
10
No Data
6

All Cities in Centre County

State College 3.70 ppb A
Ferguson 3.70 ppb A
Patton 3.70 ppb A
Park Forest Village 3.70 ppb A
College 2.40 ppb A
Bellefonte 4.62 ppb A
Harris 3.70 ppb A
Walker 10.00 ppb B
Spring 2.90 ppb A
Toftrees 3.70 ppb A
Rush Not detected A
Pleasant Gap 2.90 ppb A
Philipsburg Not detected A
Benner 2.69 ppb A
Zion 10.00 ppb B
Halfmoon 3.00 ppb B
Snow Shoe Not detected B
Centre Hall 43.27 ppb C
Boggs 12.00 ppb B
Milesburg 12.00 ppb B
Potter 43.27 ppb C
Liberty 3.00 ppb B
Haines 11.00 ppb B
Millheim 3.00 ppb B
Miles 2.00 ppb B
Howard 1.00 ppb B
Snow Shoe Not detected B
Gregg 2.00 ppb B
Port Matilda 6.00 ppb B
Snydertown 10.00 ppb B
Taylor 2.00 ppb B
Huston 14.00 ppb B
Penn 9.00 ppb B
Unionville 3.00 ppb B
Howard 1.00 ppb B
Burnside Not detected B
Marion 1.00 ppb B
Worth 2.00 ppb B
Union Not reported B
Curtin 26.00 ppb C
Showing 40 cities
No active violations Active violations

About Centre County Drinking Water

Centre County is served by 24 water systems covering 40 communities. No community here has an open violation on record.

Of the communities reporting lead results, 34 recorded a detection, with a median of 3.70 ppb — 25% of the federal action level. 5 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 2 of them.

Frequently Asked Questions

Is Centre County tap water safe to drink?▼
No community in Centre County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Centre County?▼
Among communities with a detection the median is 3.70 ppb, 25% of the 15 ppb action level. 5 reported none detected and 1 reported no result.
How many water systems serve Centre County?▼
24 community water systems serve 40 communities here.
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