Simi Valley, Los Angeles

Microplastics in Simi Valley Tap Water

Microplastic testing results for Simi Valley tap water. See real particle counts from homes in Simi Valley, Los Angeles.

Samples

Avg Count

2-9

Range

Simi Valley is cleaner than 67% of LA neighborhoods tested.

Based on 40 samples across 21 LA neighborhoods.

Simi Valley Test Results

5/11/2026Moderate

9particles

3/26/2026Low

2particles

3/26/2026Moderate

6particles

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