States › Ohio › Belmont County

Belmont County, OH Water Quality

Water quality data for 13 public water systems serving Belmont County, Ohio — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 13 water systems · 19 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

Belmont County Earns a B

Belmont County: 19 communities across 13 water systems. 100.0% have no open violations.

  • Median lead where detected: 4.80 ppb
  • 7 communities with a lead detection, 12 reporting none detected
  • 3 communities with PFAS above the federal limit
  • 1 with significant inspection deficiencies
  • 100.0% of communities have no open violations
4.8 ppb
Median Lead Level
County-wide, 90th percentile
13
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
  • Martins Ferry
    3.50 ppb
    No federal limits exceeded on record
    B
  • Bellaire
    Not detected
    No federal limits exceeded on record
    A
  • Bridgeport
    4.80 ppb
    No federal limits exceeded on record
    B
  • Powhatan Point
    0.80 ppb
    No federal limits exceeded on record
    B
  • Belmont
    Not detected
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • St. Clairsville
    Not detected
    PFAS above the limit at 1 of 1 sampling points
    D
  • Barnesville
    4.99 ppb
    PFAS above the limit at 1 of 1 sampling points
    B
  • Shadyside
    3.19 ppb
    PFAS above the limit at 1 of 1 sampling points
    B
  • Flushing
    6.34 ppb
    Copper above the 1,300 ppb action level
    B
  • Lafferty
    6.34 ppb
    Copper above the 1,300 ppb action level
    B
County Lead Level — Median 4.8 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 4.8 ppb — 32% of the federal action level
Systems by Lead Level
Under 5 ppb
5
5 – 10 ppb
2
No Data
12

All Cities in Belmont County

Martins Ferry 3.50 ppb B
St. Clairsville Not detected D
Barnesville 4.99 ppb B
Bellaire Not detected A
Shadyside 3.19 ppb B
Bridgeport 4.80 ppb B
Powhatan Point 0.80 ppb B
Bethesda Not detected B
Wolfhurst Not detected B
Flushing 6.34 ppb B
Lansing Not detected B
Brookside Not detected B
Neffs Not detected B
Belmont Not detected B
Holloway Not detected B
Lloydsville Not detected B
Morristown Not detected B
Lafferty 6.34 ppb B
Blaine Not detected B
Showing 19 cities
No active violations Active violations

About Belmont County Drinking Water

Belmont County is served by 13 water systems covering 19 communities. No community here has an open violation on record.

Of the communities reporting lead results, 7 recorded a detection, with a median of 4.80 ppb — 32% of the federal action level. 12 reported none detected, which means below the laboratory limit rather than an absence of lead.

3 of 19 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 1 of them.

Frequently Asked Questions

Is Belmont County tap water safe to drink?▼
No community in Belmont County has an open violation on record. 3 of 19 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Belmont County?▼
Among communities with a detection the median is 4.80 ppb, 32% of the 15 ppb action level. 12 reported none detected and 0 reported no result.
How many water systems serve Belmont County?▼
13 community water systems serve 19 communities here.
← Back to Ohio water quality overview