What's in YUCAIPA VALLEY WATER DISTRICT's water?
YUCAIPA VALLEY WATER DISTRICT has at least one health-based violation EPA's ECHO database still lists as unaddressed - the required fix has not been reported complete. 52,010 people get their water from it, across 13,646 connections.
How this compares nationally
Out of 12,903 systems in this dataset, YUCAIPA VALLEY WATER DISTRICT ranks 3,233th by violation burden (75th percentile) - 11 violations total, 6 health-baseds.
Against the CA average
YUCAIPA VALLEY WATER DISTRICT's 6 health-based violations sit above the CA average of 5.8, across 803 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
YUCAIPA VALLEY WATER DISTRICT's most recent violation on record is dated 2027-05-03, with the most recent health-based one dated 2027-05-03. Last reported to EPA: 06/22/2026.
The concern categories on record
YUCAIPA VALLEY WATER DISTRICT'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: Long Term 2 Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
- Nitrate / nitrite - flagged from: Nitrate
- 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 YUCAIPA VALLEY WATER DISTRICT's record does not cover
This is what YUCAIPA VALLEY WATER DISTRICT 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. This record - 6 health-based violations on file for YUCAIPA VALLEY WATER DISTRICT - 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.