States › Ohio › Summit County

Summit County, OH Water Quality

Water quality data for 12 public water systems serving Summit County, Ohio — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 12 water systems · 27 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

Summit County Earns a B

Summit County: 27 communities across 12 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.67 ppb
  • 11 communities with a lead detection, 16 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 4 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2.67 ppb
Median Lead Level
County-wide, 90th percentile
12
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
  • Green
    Not detected
    No federal limits exceeded on record
    A
  • Tallmadge
    Not detected
    No federal limits exceeded on record
    A
  • Silver Lake
    Not detected
    No federal limits exceeded on record
    B
  • New Franklin
    Not detected
    No federal limits exceeded on record
    A
  • Akron
    2.67 ppb
    2 health-based violations since 2015
    A
⚠ Needs Attention
  • Cuyahoga Falls
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Stow
    Not detected
    3 significant inspection deficiencies
    C
  • Barberton
    5.58 ppb
    Copper above the 1,300 ppb action level
    C
  • Norton
    5.58 ppb
    Copper above the 1,300 ppb action level
    C
  • Clinton
    2.30 ppb
    3 significant inspection deficiencies
    B
County Lead Level — Median 2.67 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.67 ppb — 17.8% of the federal action level
Systems by Lead Level
Under 5 ppb
9
5 – 10 ppb
2
No Data
16

All Cities in Summit County

Akron 2.67 ppb A
Cuyahoga Falls Not detected C
Stow Not detected C
Barberton 5.58 ppb C
Twinsburg Not detected A
Green Not detected A
Tallmadge Not detected A
Macedonia Not detected A
Hudson 2.10 ppb A
Fairlawn 2.67 ppb A
Reminderville Not detected A
Munroe Falls Not detected A
Portage Lakes 2.67 ppb A
Norton 5.58 ppb C
Mogadore 2.67 ppb A
Richfield Not detected A
Northfield Not detected A
Lakemore Not detected B
Silver Lake Not detected B
New Franklin Not detected A
Montrose-Ghent 2.67 ppb A
Boston Heights Not detected A
Sawyerwood 2.67 ppb A
Twinsburg Heights Not detected A
Pigeon Creek 2.67 ppb A
Clinton 2.30 ppb B
Peninsula Not detected A
Showing 27 cities
No active violations Active violations

About Summit County Drinking Water

Summit County is served by 12 water systems covering 27 communities. No community here has an open violation on record.

Of the communities reporting lead results, 11 recorded a detection, with a median of 2.67 ppb — 18% of the federal action level. 16 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 4 of them.

Frequently Asked Questions

Is Summit County tap water safe to drink?▼
No community in Summit County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Summit County?▼
Among communities with a detection the median is 2.67 ppb, 18% of the 15 ppb action level. 16 reported none detected and 0 reported no result.
How many water systems serve Summit County?▼
12 community water systems serve 27 communities here.
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