Is CITY OF MOUNTAIN VIEW's water safe to drink?
CITY OF MOUNTAIN VIEW has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 81,501 people through 17,907 service connections.
How this compares nationally
CITY OF MOUNTAIN VIEW has 7 violations on record in total, 3 of thems health-based - ranking it 5,416th of 12,903 systems by violation count, the 58th percentile nationally.
Against the CA average
Among the 803 CA systems in this dataset, the average is 5.8 health-based violations - CITY OF MOUNTAIN VIEW's 3 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
CITY OF MOUNTAIN VIEW's most recent violation on record is dated 2015-01-03, with the most recent health-based one dated 2015-01-03. Last reported to EPA: 06/22/2026.
The concern categories on record
CITY OF MOUNTAIN VIEW'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 CITY OF MOUNTAIN VIEW's record does not cover
This is what CITY OF MOUNTAIN VIEW 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 - 3 health-based violations on file for CITY OF MOUNTAIN VIEW - 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.