What's in CITY OF ARROYO GRANDE UTILITIES DIVISION's water?
CITY OF ARROYO GRANDE UTILITIES DIVISION has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 17,963, over 6,694 connections.
How this compares nationally
Out of 12,903 systems in this dataset, CITY OF ARROYO GRANDE UTILITIES DIVISION ranks 8,822th by violation burden (32th percentile) - 4 violations total, 1 health-based.
Against the CA average
Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - CITY OF ARROYO GRANDE UTILITIES DIVISION's 1 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
CITY OF ARROYO GRANDE UTILITIES DIVISION's most recent violation on record is dated 2025-01-05, with the most recent health-based one dated 1996-01-08. Last reported to EPA: 06/22/2026.
The concern categories on record
CITY OF ARROYO GRANDE UTILITIES DIVISION'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:
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What CITY OF ARROYO GRANDE UTILITIES DIVISION's record does not cover
This is what CITY OF ARROYO GRANDE UTILITIES DIVISION 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 CITY OF ARROYO GRANDE UTILITIES DIVISION's customers' taps is household plumbing, invisible to a system-level record ranked 8,822th of 12,903 by violation count. The guide to what this data misses covers that gap.