States › Ohio › Cuyahoga County

Cuyahoga County, OH Water Quality

Water quality data for 5 public water systems serving Cuyahoga County, Ohio — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 5 water systems · 57 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

Cuyahoga County Earns a B

Cuyahoga County: 57 communities across 5 water systems. 100.0% have no open violations.

  • Median lead where detected: 1.68 ppb
  • 1 communities with a lead detection, 56 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 1 with significant inspection deficiencies
  • 100.0% of communities have no open violations
1.68 ppb
Median Lead Level
County-wide, 90th percentile
5
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
  • Bedford
    Not detected
    No federal limits exceeded on record
    A
  • Cleveland
    Not detected
    Copper above the 1,300 ppb action level
    A
  • Parma
    Not detected
    Copper above the 1,300 ppb action level
    A
  • Lakewood
    1.68 ppb
    Copper above the 1,300 ppb action level
    A
  • Euclid
    Not detected
    Copper above the 1,300 ppb action level
    A
⚠ Needs Attention
  • Chagrin Falls
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Berea
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Cleveland
    Not detected
    Copper above the 1,300 ppb action level
    A
  • Parma
    Not detected
    Copper above the 1,300 ppb action level
    A
  • Lakewood
    1.68 ppb
    Copper above the 1,300 ppb action level
    A
County Lead Level — Median 1.68 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1.68 ppb — 11.2% of the federal action level
Systems by Lead Level
Under 5 ppb
1
No Data
56

All Cities in Cuyahoga County

Cleveland Not detected A
Parma Not detected A
Lakewood 1.68 ppb A
Euclid Not detected A
Strongsville Not detected A
Cleveland Heights Not detected A
Westlake Not detected A
North Olmsted Not detected A
North Royalton Not detected A
Garfield Heights Not detected A
Shaker Heights Not detected A
Maple Heights Not detected A
Solon Not detected A
South Euclid Not detected A
Rocky River Not detected A
Parma Heights Not detected A
Mayfield Heights Not detected A
Broadview Heights Not detected A
Brook Park Not detected A
Berea Not detected B
Fairview Park Not detected A
Middleburg Heights Not detected A
Bay Village Not detected A
Lyndhurst Not detected A
University Heights Not detected A
Warrensville Heights Not detected A
East Cleveland Not detected A
Brecksville Not detected A
Beachwood Not detected A
Bedford Not detected A
Seven Hills Not detected A
Brooklyn Not detected A
Bedford Heights Not detected A
Richmond Heights Not detected A
Highland Heights Not detected A
Independence Not detected A
Pepper Pike Not detected A
Olmsted Falls Not detected A
Chagrin Falls Not detected B
Oakwood Not detected A
Orange Not detected A
Mayfield Not detected A
Moreland Hills Not detected A
Gates Mills Not detected A
Walton Hills Not detected A
Valley View Not detected A
Newburgh Heights Not detected A
Brooklyn Heights Not detected A
Bratenahl Not detected A
Glenwillow Not detected A
North Randall Not detected A
Bentleyville Not detected A
Hunting Valley Not detected A
Highland Hills Not detected A
Woodmere Not detected A
Cuyahoga Heights Not detected A
Linndale Not detected A
Showing 57 cities
No active violations Active violations

About Cuyahoga County Drinking Water

Cuyahoga County is served by 5 water systems covering 57 communities. No community here has an open violation on record.

Of the communities reporting lead results, 1 recorded a detection, with a median of 1.68 ppb — 11% of the federal action level. 56 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 1 of them.

Frequently Asked Questions

Is Cuyahoga County tap water safe to drink?▼
No community in Cuyahoga County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Cuyahoga County?▼
Among communities with a detection the median is 1.68 ppb, 11% of the 15 ppb action level. 56 reported none detected and 0 reported no result.
How many water systems serve Cuyahoga County?▼
5 community water systems serve 57 communities here.
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