Public water system record
City of Gilroy
Serves Gilroy, Santa Clara County, CA · 59,203 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for City of Gilroy in the last ten years. The most serious issue in this window was a resolved Nitrate violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 0
Key facts
- City of Gilroy draws water from 9 wells (1 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Nitrate, 12 mg/L, federal limit 10 mg/L (1.2 times the limit), 2022.
- Most recent formal enforcement: compliance order (no penalty) by California, July 2022.
- Lead pipe inventory: 0 lead and 0 unknown out of 15,788 service lines.
Check whether City of Gilroy serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Nitrate
Contaminant limit exceeded
Measured 12 mg/L, federal limit 10 mg/L (1.2 times the limit)
|
330 | Jun 1, 2022 | Resolved | Yes |
Enforcement actions
California regulators took 1 formal enforcement action against City of Gilroy in 2022. The most recent was a compliance order (no penalty) in July 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 7, 2022 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
What the violations mean
Nitrate
1 incidentNitrate exceeded the federal limit
High nitrate is especially dangerous for infants under 6 months and can cause blue baby syndrome
Where the water comes from
City of Gilroy draws water from 9 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
City of Gilroy must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells