States › North Carolina › Granville County

Granville County, NC Water Quality

Water quality data for 3 public water systems serving Granville County, North Carolina — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 3 water systems · 3 cities
⚠️
Caution Advised — Some Systems Need Attention

Some systems have elevated lead levels or active violations. Check your specific city below.

C

Granville County Earns a C

Granville County: 3 communities across 3 water systems. 100.0% have no open violations.

  • Median lead where detected: 5.85 ppb
  • 2 communities with a lead detection, 1 reporting none detected
  • 1 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 100.0% of communities have no open violations
5.85 ppb
Median Lead Level
County-wide, 90th percentile
3
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
  • Oxford
    8.70 ppb
    Lead at 8.70 ppb, above a third of the action level
    A
  • Stovall
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Butner
    3.00 ppb
    PFAS above the limit at 1 of 1 sampling points
    D
⚠ Needs Attention
  • Butner
    3.00 ppb
    PFAS above the limit at 1 of 1 sampling points
    D
  • Stovall
    Not detected
    Copper above the 1,300 ppb action level
    C
  • Oxford
    8.70 ppb
    Lead at 8.70 ppb, above a third of the action level
    A
County Lead Level — Median 5.85 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 5.85 ppb — 39% of the federal action level
Systems by Lead Level
Under 5 ppb
1
5 – 10 ppb
1
No Data
1

All Cities in Granville County

Oxford 8.70 ppb A
Butner 3.00 ppb D
Stovall Not detected C
Showing 3 cities
No active violations Active violations

About Granville County Drinking Water

Granville County is served by 3 water systems covering 3 communities. No community here has an open violation on record.

Of the communities reporting lead results, 2 recorded a detection, with a median of 5.85 ppb — 39% of the federal action level. 1 reported none detected, which means below the laboratory limit rather than an absence of lead.

1 of 3 communities have PFAS above the limits EPA set in 2024, measured as a running annual average at each sampling point. State inspectors recorded no significant deficiencies.

Frequently Asked Questions

Is Granville County tap water safe to drink?▼
No community in Granville County has an open violation on record. 1 of 3 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Granville County?▼
Among communities with a detection the median is 5.85 ppb, 39% of the 15 ppb action level. 1 reported none detected and 0 reported no result.
How many water systems serve Granville County?▼
3 community water systems serve 3 communities here.
← Back to North Carolina water quality overview