What's in AWA, IONE's water?
AWA, IONE 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 7,227 people through 2,386 service connections.
AWA, IONE's record against the rest of the country
AWA, IONE has 12 violations on record in total, 8 of thems health-based - ranking it 2,498th of 12,903 systems by violation count, the 81th percentile nationally.
Against the CA average
AWA, IONE's 8 health-based violations sit above the CA average of 5.8, across 803 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
AWA, IONE's most recent violation on record is dated 2024-01-12, with the most recent health-based one dated 2022-01-04. Last reported to EPA: 06/22/2026.
The concern categories on record
AWA, IONE'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:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Interim Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What AWA, IONE's record does not cover
Everything on this page is AWA, IONE's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 8 health-based violations on file for AWA, IONE - 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.