Is RIVERSIDE, CITY OF's water safe to drink?
RIVERSIDE, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 298,398 people get their water from it, across 66,567 connections.
How this compares nationally
RIVERSIDE, CITY OF has 1 violation on record in total, 1 of them health-based - ranking it 9,172th of 12,903 systems by violation count, the 29th percentile nationally.
Against the CA average
Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - RIVERSIDE, CITY OF's 1 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
RIVERSIDE, CITY OF's most recent violation on record is dated 1981-01-06, with the most recent health-based one dated 1981-01-06. Last reported to EPA: 06/22/2026.
The concern categories on record
RIVERSIDE, CITY OF's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Nitrate / nitrite - flagged from: Nitrate
The most severe category on record is nitrate / nitrite, which points toward a reverse osmosis-class filter if you want to address it directly.
What RIVERSIDE, CITY OF's record does not cover
This is what RIVERSIDE, CITY OF 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. This record - 1 health-based violation on file for RIVERSIDE, CITY OF - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.