City of Seal Beach, CA Water Quality
Is City of Seal Beach's water safe to drink?
City of Seal Beach's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 24,937 people get their water from it, across 5,449 connections.
Ranked against every other system in this dataset
City of Seal Beach has 2 violations on record in total, 0 of them health-based - ranking it 11,923th of 12,903 systems by violation count, the 8th percentile nationally.
Against the CA average
Among the 804 CA systems in this dataset, the average is 5.8 health-based violations - City of Seal Beach's 0 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
City of Seal Beach's most recent violation on record is dated 2020-01-01. Last reported to EPA: 06/22/2026.
What City of Seal Beach's record does not cover
Everything on this page is City of Seal Beach's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and City of Seal Beach's customers' taps is household plumbing, invisible to a system-level record ranked 11,923th of 12,903 by violation count. The guide to what this data misses covers that gap.