States › Arkansas › Benton County

Benton County, AR Water Quality

Water quality data for 17 public water systems serving Benton County, Arkansas — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 17 water systems · 22 cities
✅
Excellent — All Systems Performing Well

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

A

Benton County Earns a A

Benton County: 22 communities across 17 water systems. 100.0% have no open violations.

  • Median lead where detected: 1.00 ppb
  • 22 communities with a lead detection, 0 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
1 ppb
Median Lead Level
County-wide, 90th percentile
17
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
  • Rogers
    1.00 ppb
    No federal limits exceeded on record
    A
  • Bentonville
    1.00 ppb
    No federal limits exceeded on record
    A
  • Lowell
    1.00 ppb
    No federal limits exceeded on record
    A
  • Pea Ridge
    1.00 ppb
    No federal limits exceeded on record
    A
  • Gravette
    1.00 ppb
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Cave Springs
    1.00 ppb
    13 health-based violations since 2015
    B
  • Gentry
    1.00 ppb
    4 health-based violations since 2015
    B
  • Highfill
    1.00 ppb
    3 health-based violations since 2015
    B
  • Sulphur Springs
    7.00 ppb
    1 health-based violation since 2015
    B
  • Garfield
    2.00 ppb
    3 health-based violations since 2015
    B
County Lead Level — Median 1 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1 ppb — 6.7% of the federal action level
Systems by Lead Level
Under 5 ppb
21
5 – 10 ppb
1

All Cities in Benton County

Rogers 1.00 ppb A
Bentonville 1.00 ppb A
Bella Vista 1.00 ppb A
Centerton 1.00 ppb A
Siloam Springs 1.00 ppb A
Lowell 1.00 ppb A
Pea Ridge 1.00 ppb A
Cave Springs 1.00 ppb B
Gentry 1.00 ppb B
Gravette 1.00 ppb A
Little Flock 1.00 ppb A
Prairie Creek 1.00 ppb A
Decatur 3.00 ppb A
Highfill 1.00 ppb B
Sulphur Springs 7.00 ppb B
Garfield 2.00 ppb B
Gateway 2.00 ppb B
Avoca 1.00 ppb A
Lost Bridge Village 3.00 ppb B
Maysville 1.00 ppb A
Springtown 1.00 ppb B
Cherokee City 1.00 ppb B
Showing 22 cities
No active violations Active violations

About Benton County Drinking Water

Benton County is served by 17 water systems covering 22 communities. No community here has an open violation on record.

Of the communities reporting lead results, 22 recorded a detection, with a median of 1.00 ppb — 7% of the federal action level. 0 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 no significant deficiencies.

Frequently Asked Questions

Is Benton County tap water safe to drink?▼
No community in Benton County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Benton County?▼
Among communities with a detection the median is 1.00 ppb, 7% of the 15 ppb action level. 0 reported none detected and 0 reported no result.
How many water systems serve Benton County?▼
17 community water systems serve 22 communities here.
← Back to Arkansas water quality overview