WaterQ

Santa Rosa Rancheria

PWSID: 090600148

F Critical

Score 0/100 — Critical

Data Updated: March 2026 Source: EPA SDWIS
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System Information

Type
Community Water System
Water Source
GWP
Population Served
1,000
Owner Type
N
Status
Active
Population Served
1,000
System Type
Community Water System
Water Source
GWP
Violation Status
No Violations
Results-Based Recommendation

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Basic Protection
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Activated Carbon Filter

Good for general improvements in taste and removing chlorine.

Effective against:
Chlorine Sediment

Water Quality Test Results

Contaminant Detected EPA Limit (MCL) Status
Lead (90th percentile) 2025-12-31 0.0034 mg/L 0.015 mg/L Compliant

Contaminant Trends

Lead (90th percentile) Trend

MCL: 0.015 mg/L
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Violation History

2025-07-01
Resolved - Major

MR

MR - Rule 210

Resolved: 2025-12-02

2025-07-01
Resolved - Major

MR

MR - Rule 210

Resolved: 2025-09-18

2025-04-01
Resolved - Major

MR

MR - Rule 210

Resolved: 2025-09-18

2025-04-01
Resolved - Minor

Other

Other - Rule 410

Resolved: 2025-12-10

2025-04-01
Resolved - Major

MON

MON - Rule 111

Resolved: 2025-09-16

Frequently Asked Questions

Is Santa Rosa Rancheria water safe to drink?
Santa Rosa Rancheria in Lemoore, CA has a water quality score of 0/100 (Critical). There are currently 144 unresolved violation(s).
How many people does Santa Rosa Rancheria serve?
Santa Rosa Rancheria provides drinking water to approximately 1,000 people in the Lemoore, CA area.
What contaminants have been found in Santa Rosa Rancheria water?
No contaminants have exceeded EPA limits in recent tests. Visit the full report for detailed test results.
How many violations does Santa Rosa Rancheria have?
Santa Rosa Rancheria has a total of 310 violation(s) on record. 144 remain unresolved.
Where does Santa Rosa Rancheria get its water?
Santa Rosa Rancheria uses GWP as its primary water source.

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