States › Illinois › Fulton County

Fulton County, IL Water Quality

Water quality data for 16 public water systems serving Fulton County, Illinois — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 16 water systems · 17 cities
✅
Excellent — All Systems Performing Well

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

A

Fulton County Earns a A

Fulton County: 17 communities across 16 water systems. 100.0% have no open violations.

  • Median lead where detected: 2.20 ppb
  • 5 communities with a lead detection, 12 reporting none detected
  • 0 communities with PFAS above the federal limit
  • 2 with significant inspection deficiencies
  • 100.0% of communities have no open violations
2.2 ppb
Median Lead Level
County-wide, 90th percentile
16
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
  • Canton
    Not detected
    No federal limits exceeded on record
    A
  • Farmington
    Not detected
    No federal limits exceeded on record
    B
  • Cuba
    Not detected
    No federal limits exceeded on record
    B
  • Astoria
    2.20 ppb
    No federal limits exceeded on record
    B
  • St. David
    2.10 ppb
    No federal limits exceeded on record
    B
⚠ Needs Attention
  • Lewistown
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Bryant
    Not detected
    Copper above the 1,300 ppb action level
    B
  • Vermont
    Not detected
    24 health-based violations since 2015
    B
  • Table Grove
    Not detected
    7 health-based violations since 2015
    B
  • Avon
    Not detected
    Copper above the 1,300 ppb action level
    B
County Lead Level — Median 2.2 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 2.2 ppb — 14.7% of the federal action level
Systems by Lead Level
Under 5 ppb
4
10 – 15 ppb
1
No Data
12

All Cities in Fulton County

Canton Not detected A
Farmington Not detected B
Lewistown Not detected B
Cuba Not detected B
Astoria 2.20 ppb B
Avon Not detected B
Vermont Not detected B
St. David 2.10 ppb B
Fairview Not detected B
London Mills Not detected B
Table Grove Not detected B
Ipava 11.00 ppb B
Dunfermline 2.10 ppb B
Bryant Not detected B
Smithfield 3.21 ppb B
Norris Not detected B
Marietta Not detected B
Showing 17 cities
No active violations Active violations

About Fulton County Drinking Water

Fulton County is served by 16 water systems covering 17 communities. No community here has an open violation on record.

Of the communities reporting lead results, 5 recorded a detection, with a median of 2.20 ppb — 15% of the federal action level. 12 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 Fulton County tap water safe to drink?▼
No community in Fulton County has an open violation on record. No community has PFAS above the federal limit on record.
What is the lead level in Fulton County?▼
Among communities with a detection the median is 2.20 ppb, 15% of the 15 ppb action level. 12 reported none detected and 0 reported no result.
How many water systems serve Fulton County?▼
16 community water systems serve 17 communities here.
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