City of Roseville, CA Water Quality
Is City of Roseville's water safe to drink?
City of Roseville's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 155,612 people through 52,040 service connections.
City of Roseville's record against the rest of the country
3 total violations and 0 health-based ones put City of Roseville at the 11th percentile nationally for violation burden, rank 11,545 of 12,903.
Against the CA average
City of Roseville's 0 health-based violations sit within the CA average of 5.8, across 804 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
City of Roseville's most recent violation on record is dated 2017-01-10. Last reported to EPA: 06/22/2026.
What City of Roseville's record does not cover
This is what City of Roseville reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 3 logged violations can see. The guide to what this data misses covers that gap.