Is CITY OF GILROY's water safe to drink?
CITY OF GILROY had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 59,203 people through 15,701 service connections.
How this compares nationally
1 total violations and 1 health-based ones put CITY OF GILROY at the 29th percentile nationally for violation burden, rank 9,179 of 12,903.
How CITY OF GILROY compares within CA
CA's 803 covered systems average 5.8 health-based violations each; CITY OF GILROY 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 CITY OF GILROY is from 2022-01-06 (health-based: 2022-01-06). Last reported to EPA: 06/22/2026.
What kind of problem, specifically
CITY OF GILROY'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:
- Nitrate / nitrite - flagged from: Nitrate
The most severe category on record is nitrate / nitrite, which points toward a reverse osmosis-class filter if you want to address it directly.
What this data is and is not
Everything on this page is CITY OF GILROY'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 CITY OF GILROY - 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.