What's in LA VERNE, CITY WD's water?
LA VERNE, CITY WD has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 31,334, over 8,819 connections.
How this compares nationally
Out of 12,903 systems in this dataset, LA VERNE, CITY WD ranks 3,833th by violation burden (70th percentile) - 6 violations total, 5 health-baseds.
How LA VERNE, CITY WD compares within CA
Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - LA VERNE, CITY WD's 5 is at or below that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for LA VERNE, CITY WD is from 2017-01-07 (health-based: 2017-01-07). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
LA VERNE, CITY WD'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)
- Nitrate / nitrite - flagged from: Nitrate
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 this data is and is not
This is what LA VERNE, CITY WD 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 6 logged violations can see. The guide to what this data misses covers that gap.