IMPERIAL, CITY OF: EPA violation history, explained
IMPERIAL, CITY OF had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 21,591 people through 6,939 service connections.
How this compares nationally
IMPERIAL, CITY OF has 20 violations on record in total, 11 of thems health-based - ranking it 1,801th of 12,903 systems by violation count, the 86th percentile nationally.
Against the CA average
Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - IMPERIAL, CITY OF's 11 is above that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
IMPERIAL, CITY OF's most recent violation on record is dated 2025-05-10, with the most recent health-based one dated 2025-05-10. Last reported to EPA: 06/22/2026.
The concern categories on record
IMPERIAL, 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:
- Lead & copper - flagged from: LEAD AND COPPER RULE REVISIONS
- Microbial contamination / treatment technique - flagged from: Surface Water Treatment Rule
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is lead & copper, which points toward a lead-class filter if you want to address it directly.
What IMPERIAL, CITY OF's record does not cover
Everything on this page is IMPERIAL, CITY OF'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 IMPERIAL, CITY OF's customers' taps is household plumbing, invisible to a system-level record ranked 1,801th of 12,903 by violation count. The guide to what this data misses covers that gap.