Public water system record
Cucamonga Valley Water District
Serves Rancho Cucamonga, Fontana and Ontario, San Bernardino County, CA · 211,069 people served
Federal records show no health-based violations and no monitoring or reporting issues for Cucamonga Valley Water District 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
- Cucamonga Valley Water District draws water from 24 wells and 4 surface water intakes (1 of them for emergency, seasonal or other part-time use).
- Record on file since 1987, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 49,109 service lines.
Check whether Cucamonga Valley Water District 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 1987
EPA's records for Cucamonga Valley Water District go back to 1987. 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 |
|---|---|---|
| 1980s | 0 | 1 |
Where the water comes from
Cucamonga Valley Water District draws water from 24 wells and 4 surface water intakes (1 of them for emergency, seasonal or other part-time use). It also has emergency connections to City of Upland, San Gabriel Valley WC - Fontana and Ontario Municipal Utilities Company. 2 other community water systems buy water from Cucamonga Valley Water District. 2 other public water systems have emergency connections to Cucamonga Valley Water District.
Emergency or part-time connections to
- City of Upland Upland, CA
- San Gabriel Valley WC - Fontana Fontana, CA
- Ontario Municipal Utilities Company Ontario, CA
Community systems that buy water from it
- City of Upland Upland, CA
- San Gabriel Valley WC - Fontana Fontana, CA
Annual water quality report
Cucamonga Valley Water District 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