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Lake County, FL Water Quality

Water quality data for 21 public water systems serving Lake County, Florida — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 21 water systems · 25 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

Lake County Earns a B

Lake County: 25 communities across 21 water systems. 92.0% have no open violations.

  • Median lead where detected: 1.10 ppb
  • 17 communities with a lead detection, 8 reporting none detected
  • 5 communities with PFAS above the federal limit
  • 0 with significant inspection deficiencies
  • 92.0% of communities have no open violations
1.1 ppb
Median Lead Level
County-wide, 90th percentile
21
Water Systems
Active CWS & NTNCWS
92%
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
  • Sorrento
    Not detected
    No federal limits exceeded on record
    A
  • Clermont
    Not detected
    No federal limits exceeded on record
    A
  • Mount Dora
    Not detected
    No federal limits exceeded on record
    A
  • Mascotte
    Not detected
    No federal limits exceeded on record
    A
  • Fruitland Park
    1.00 ppb
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Leesburg
    1.80 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
  • Silver Lake
    1.80 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
  • Okahumpka
    1.80 ppb
    PFAS above the limit at 1 of 1 sampling points
    C
  • Altoona
    0.20 ppb
    1 violation currently open
    C
  • Paisley
    Not detected
    1 violation currently open
    C
County Lead Level — Median 1.1 ppb
Based on most recent 90th percentile lead tests across all reporting systems
0 ppb5 ppb10 ppb15 ppb
County median: 1.1 ppb — 7.3% of the federal action level
Systems by Lead Level
Under 5 ppb
17
No Data
8

All Cities in Lake County

Clermont Not detected A
Leesburg 1.80 ppb C
Eustis Not detected C
Four Corners 0.60 ppb A
Tavares 0.80 ppb A
Mount Dora Not detected A
Groveland 2.50 ppb B
Minneola 2.50 ppb B
Mascotte Not detected A
Fruitland Park 1.00 ppb A
Lady Lake Not detected C
Umatilla 1.50 ppb A
Astor Not detected B
Howey-in-the-Hills 1.00 ppb B
Montverde 0.50 ppb B
Silver Lake 1.80 ppb C
Astatula 0.30 ppb B
Mount Plymouth 1.10 ppb B
Ferndale 2.50 ppb B
Yalaha 2.30 ppb B
Lake Kathryn 1.00 ppb B
Paisley Not detected C
Okahumpka 1.80 ppb C
Sorrento Not detected A
Altoona 0.20 ppb C
Showing 25 cities
No active violations Active violations

About Lake County Drinking Water

Lake County is served by 21 water systems covering 25 communities. 92% have no open violations.

Of the communities reporting lead results, 17 recorded a detection, with a median of 1.10 ppb — 7% of the federal action level. 8 reported none detected, which means below the laboratory limit rather than an absence of lead.

5 of 25 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 Lake County tap water safe to drink?▼
92% of communities have no open violation. 5 of 25 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Lake County?▼
Among communities with a detection the median is 1.10 ppb, 7% of the 15 ppb action level. 8 reported none detected and 0 reported no result.
How many water systems serve Lake County?▼
21 community water systems serve 25 communities here.
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