SUBURBAN WATER SYSTEMS-GLENDORA: EPA violation history, explained
SUBURBAN WATER SYSTEMS-GLENDORA has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 5,249 people through 1,550 service connections.
Ranked against every other system in this dataset
1 total violations and 1 health-based ones put SUBURBAN WATER SYSTEMS-GLENDORA at the 29th percentile nationally for violation burden, rank 9,210 of 12,903.
How SUBURBAN WATER SYSTEMS-GLENDORA compares within CA
CA's 803 covered systems average 5.8 health-based violations each; SUBURBAN WATER SYSTEMS-GLENDORA carries 1, 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 SUBURBAN WATER SYSTEMS-GLENDORA is from 1993-01-06 (health-based: 1993-01-06). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
SUBURBAN WATER SYSTEMS-GLENDORA'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: 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 SUBURBAN WATER SYSTEMS-GLENDORA's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 1 health-based violation on file for SUBURBAN WATER SYSTEMS-GLENDORA - 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.