Is Pismo Beach, California tap water safe?
3 water systems report serving Pismo Beach. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
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Pismo Beach Water Department
Serves 7,944 people · Surface water · Full report →
3 health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2023).
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Preserve at Millerton Lake Water System
Serves 204 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
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Anza Vineyard Estates Mutual Water Co
Serves 60 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).