Public water system record
Monte Vista WD
Serves Montclair, San Bernardino County, CA · 56,017 people served
Federal records show no health-based violations and no monitoring or reporting issues for Monte Vista WD 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
- 0
Key facts
- Monte Vista WD draws water from 10 wells.
- Record on file since 2013, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 12,657 service lines.
Check whether Monte Vista WD 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, and no monitoring or reporting violations either.
Full record since 2013
EPA's records for Monte Vista WD go back to 2013. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 0 | 1 |
Where the water comes from
Monte Vista WD draws water from 10 wells. It also buys water from City of Chino Hills, City of Upland and Water Facilities Authority-Jpa. It also has emergency connections to City of Chino, GSWC - Claremont and California Water Service Co. - Ela. 2 other community water systems buy water from Monte Vista WD.
Buys water from
- City of Chino Hills Chino Hills, CA
- City of Upland Upland, CA
- Water Facilities Authority-Jpa Upland, CA
Emergency or part-time connections to
- City of Chino Chino, CA
- GSWC - Claremont San Dimas, CA
- California Water Service Co. - Ela San Jose, CA
Community systems that buy water from it
- City of Chino Chino, CA
- City of Chino Hills Chino Hills, CA
Annual water quality report
Monte Vista WD 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