Public water system record
City of Chino
Serves Chino, San Bernardino County, CA · 86,435 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for City of Chino in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- City of Chino draws water from 7 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, February 2022.
- Record on file since 2003, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 24,107 service lines.
Check whether City of Chino 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jun 1, 2014 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2003 | Resolved |
Full record since 2003
EPA's records for City of Chino go back to 2003. Before October 19, 2016 they list no health-based violations and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 3 |
| 2010 to October 18, 2016 | 0 | 3 |
| 2020s | 0 | 1 |
Enforcement actions
California regulators took 5 formal enforcement actions against City of Chino between 2004 and 2022. The most recent was a compliance order (no penalty) in February 2022.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 10, 2022 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Feb 9, 2015 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Sep 16, 2010 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Nov 29, 2007 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| May 25, 2004 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
Where the water comes from
City of Chino draws water from 7 wells. It also buys water from Monte Vista WD, Chino Basin Desalter Auth. - Desalter 1 and Water Facilities Authority-Jpa. 2 other public water systems have emergency connections to City of Chino.
Buys water from
- Monte Vista WD Montclair, CA
- Chino Basin Desalter Auth. - Desalter 1 Ontario, CA
- Water Facilities Authority-Jpa Upland, CA
Annual water quality report
City of Chino 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