What's in TOWN OF OLLA WATER SYSTEM's water?
TOWN OF OLLA WATER SYSTEM has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,565, over 855 connections.
TOWN OF OLLA WATER SYSTEM's record against the rest of the country
Out of 12,903 systems in this dataset, TOWN OF OLLA WATER SYSTEM ranks 1,384th by violation burden (89th percentile) - 21 violations total, 14 health-baseds.
How TOWN OF OLLA WATER SYSTEM compares within LA
Among the 347 LA systems in this dataset, the average is 12.6 health-based violations - TOWN OF OLLA WATER SYSTEM's 14 is above that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for TOWN OF OLLA WATER SYSTEM is from 2021-01-10 (health-based: 2021-01-10). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
TOWN OF OLLA WATER SYSTEM'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)
- 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 this data is and is not
This is what TOWN OF OLLA WATER SYSTEM 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. Between the utility's meter and TOWN OF OLLA WATER SYSTEM's customers' taps is household plumbing, invisible to a system-level record ranked 1,384th of 12,903 by violation count. The guide to what this data misses covers that gap.