Public water system record
City of Riverside
Serves Riverside, El Sobrante, Highgrove and 1 more place, Riverside County, CA · 298,398 people served
Federal records show no health-based violations and no monitoring or reporting issues for City of Riverside 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
- City of Riverside draws water from 45 wells.
- Record on file since 1981, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 68,071 service lines.
Check whether City of Riverside 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 1981
EPA's records for City of Riverside go back to 1981. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began June 1981, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
|
Jun 1, 1981 | Archived |
Where the water comes from
City of Riverside draws water from 45 wells. It also has an emergency connection to Western MWD. 3 other community water systems buy water from City of Riverside. 2 other public water systems have emergency connections to City of Riverside.
Emergency or part-time connections to
- Western MWD Riverside, CA
Community systems that buy water from it
- City of Norco Norco, CA
- Western MWD Riverside, CA
- Western MWD (Arlington) Riverside, CA
Annual water quality report
City of Riverside 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