States › California › Tulare County

Tulare County, CA Water Quality

Water quality data for 48 public water systems serving Tulare County, California — based on EPA SDWIS enforcement records, lead testing results, and health-based violation history.

📅 2026 Report 🔄 Data updated 2026 Q2 📍 48 water systems · 51 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

Tulare County Earns a B

Tulare County: 51 communities across 48 water systems. 68.6% have no open violations.

  • Median lead where detected: 2.20 ppb
  • 12 communities with a lead detection, 39 reporting none detected
  • 4 communities with PFAS above the federal limit
  • 2 with significant inspection deficiencies
  • 68.6% of communities have no open violations
2.2 ppb
Median Lead Level
County-wide, 90th percentile
48
Water Systems
Active CWS & NTNCWS
68%
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
  • Tulare
    Not detected
    No federal limits exceeded on record
    A
  • Orosi
    Not detected
    No federal limits exceeded on record
    A
  • Poplar-Cotton Center
    Not detected
    No federal limits exceeded on record
    B
  • London
    Not detected
    No federal limits exceeded on record
    B
  • Patterson Tract
    Not detected
    No federal limits exceeded on record
    A
⚠ Needs Attention
  • Rodriguez Camp
    5.00 ppb
    9 violations currently open
    F
  • El Rancho
    5.00 ppb
    9 violations currently open
    F
  • East Porterville
    Not detected
    PFAS above the limit at 5 of 28 sampling points
    F
  • Porterville
    Not detected
    PFAS above the limit at 5 of 28 sampling points
    F
  • Richgrove
    Not detected
    1 violation currently open
    D
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
7
5 – 10 ppb
4
10 – 15 ppb
1
No Data
39

All Cities in Tulare County

Visalia Not detected B
Tulare Not detected A
Porterville Not detected F
Dinuba Not detected C
Lindsay Not detected B
Farmersville 1.30 ppb C
Exeter 1.70 ppb B
Earlimart Not detected C
Orosi Not detected A
Woodlake Not detected A
Ivanhoe Not detected C
Cutler Not detected B
Pixley Not detected B
Terra Bella Not detected B
Tipton Not detected B
Richgrove Not detected D
Poplar-Cotton Center Not detected B
Woodville Not detected B
London Not detected B
Strathmore 13.00 ppb B
Patterson Tract Not detected A
Alpaugh Not detected C
Sultana Not detected C
Springville Not detected B
Woodville Farm Labor Camp Not detected B
East Tulare Villa 2.40 ppb B
Traver 1.23 ppb B
Linnell Camp Not detected B
Plainview Not detected C
Allensworth Not detected B
Teviston 1.40 ppb B
Ducor Not detected C
Seville Not detected C
East Orosi Not detected B
Delft Colony 2.00 ppb B
Tonyville Not detected B
Tooleville Not detected C
Three Rivers Not detected B
Yettem Not detected C
Pine Flat 0.94 ppb B
Lemon Cove Not detected D
El Rancho 5.00 ppb F
Camp Nelson Not detected B
Pierpoint 5.00 ppb B
Ponderosa Not detected B
Jovista Not detected B
Hartland 5.00 ppb B
Wilsonia Not detected B
East Porterville Not detected F
Goshen Not detected B
Rodriguez Camp 5.00 ppb F
Showing 51 cities
No active violations Active violations

About Tulare County Drinking Water

Tulare County is served by 48 water systems covering 51 communities. 69% have no open violations.

Of the communities reporting lead results, 12 recorded a detection, with a median of 2.20 ppb — 15% of the federal action level. 39 reported none detected, which means below the laboratory limit rather than an absence of lead.

4 of 51 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 2 of them.

Frequently Asked Questions

Is Tulare County tap water safe to drink?▼
69% of communities have no open violation. 4 of 51 have PFAS above the federal limit, which is the main open concern.
What is the lead level in Tulare County?▼
Among communities with a detection the median is 2.20 ppb, 15% of the 15 ppb action level. 39 reported none detected and 0 reported no result.
How many water systems serve Tulare County?▼
48 community water systems serve 51 communities here.
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