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Hardin County, TN Water Quality

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

📅 2026 Report 🔄 Data updated 2026 Q2 📍 5 water systems · 10 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

Hardin County Earns a B

Hardin County: 10 communities across 5 water systems. 100.0% have no open violations.

  • Median lead where detected: 1.00 ppb
  • 10 communities with a lead detection, 0 reporting none detected
  • 6 communities with PFAS above the federal limit
  • 1 with significant inspection deficiencies
  • 100.0% of communities have no open violations
1 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
  • Crump
    0.90 ppb
    No federal limits exceeded on record
    B
  • Saltillo
    4.40 ppb
    No federal limits exceeded on record
    B
  • Morris Chapel
    0.90 ppb
    No federal limits exceeded on record
    B
  • Shiloh
    2.40 ppb
    1 significant inspection deficiency
    B
  • Savannah
    1.00 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
⚠ Needs Attention
  • Counce
    0.30 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
  • Childers Hill
    0.30 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
  • Savannah
    1.00 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
  • Olivet
    1.00 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
  • Nixon
    1.00 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
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
10

All Cities in Hardin County

Savannah 1.00 ppb C
Crump 0.90 ppb B
Olivet 1.00 ppb C
Nixon 1.00 ppb C
Saltillo 4.40 ppb B
Walnut Grove 1.00 ppb C
Counce 0.30 ppb C
Morris Chapel 0.90 ppb B
Childers Hill 0.30 ppb C
Shiloh 2.40 ppb B
Showing 10 cities
No active violations Active violations

About Hardin County Drinking Water

Hardin County is served by 5 water systems covering 10 communities. No community here has an open violation on record.

Of the communities reporting lead results, 10 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.

6 of 10 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 Hardin County tap water safe to drink?▼
No community in Hardin County has an open violation on record. 6 of 10 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Hardin 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 Hardin County?▼
5 community water systems serve 10 communities here.
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