What's in LOS ANGELES-CITY, DEPT. OF WATER & POWER's water?
LOS ANGELES-CITY, DEPT. OF WATER & POWER has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 3,875,566, over 709,623 connections.
LOS ANGELES-CITY, DEPT. OF WATER & POWER's record against the rest of the country
LOS ANGELES-CITY, DEPT. OF WATER & POWER has 8 violations on record in total, 5 of thems health-based - ranking it 3,784th of 12,903 systems by violation count, the 71th percentile nationally.
How LOS ANGELES-CITY, DEPT. OF WATER & POWER compares within CA
LOS ANGELES-CITY, DEPT. OF WATER & POWER's 5 health-based violations sit within the CA average of 5.8, across 803 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for LOS ANGELES-CITY, DEPT. OF WATER & POWER is from 2018-01-01 (health-based: 2018-01-01). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
LOS ANGELES-CITY, DEPT. OF WATER & POWER'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); Groundwater Rule; Long Term 2 Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
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
Everything on this page is LOS ANGELES-CITY, DEPT. OF WATER & POWER's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 8 logged violations can see. The guide to what this data misses covers that gap.