What's in SAN GABRIEL VALLEY WATER CO.-EL MONTE's water?
SAN GABRIEL VALLEY WATER CO.-EL MONTE has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 248,000, over 46,952 connections.
SAN GABRIEL VALLEY WATER CO.-EL MONTE's record against the rest of the country
5 total violations and 3 health-based ones put SAN GABRIEL VALLEY WATER CO.-EL MONTE at the 57th percentile nationally for violation burden, rank 5,516 of 12,903.
How SAN GABRIEL VALLEY WATER CO.-EL MONTE compares within CA
CA's 803 covered systems average 5.8 health-based violations each; SAN GABRIEL VALLEY WATER CO.-EL MONTE carries 3, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for SAN GABRIEL VALLEY WATER CO.-EL MONTE is from 2019-01-06 (health-based: 2019-01-06). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
SAN GABRIEL VALLEY WATER CO.-EL MONTE'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
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 SAN GABRIEL VALLEY WATER CO.-EL MONTE'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 SAN GABRIEL VALLEY WATER CO.-EL MONTE's customers' taps is household plumbing, invisible to a system-level record ranked 5,516th of 12,903 by violation count. The guide to what this data misses covers that gap.