Public water system record
City of Riverbank
Serves Riverbank, Stanislaus County, CA · 24,834 people served
Federal records show 1 health-based violation and no monitoring/reporting issues for City of Riverbank 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 Riverbank draws water from 9 wells.
- Highest measured level in the last 10 years: Nitrate, 17 mg/L, federal limit 10 mg/L (1.7 times the limit), 2021.
- Most recent formal enforcement: compliance order (no penalty) by California, December 2021.
- Record on file since 1993, with 9 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,729 unknown out of 7,312 service lines.
Check whether City of Riverbank 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 17 mg/L, federal limit 10 mg/L (1.7 times the limit)
|
330 | Nov 1, 2021 | Resolved | Yes |
Full record since 1993
EPA's records for City of Riverbank go back to 1993. Before October 19, 2016 they list 9 health-based violations (8 resolved, 1 archived by EPA without a recorded fix) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 3 | 3 |
| 2000s | 4 | 0 |
| 2010 to October 18, 2016 | 2 | 1 |
| 2020s | 1 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began February 2011, Resolved.
Show all 9 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2011 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1993 | Archived |
Enforcement actions
California regulators took 8 formal enforcement actions against City of Riverbank between 2002 and 2021. The most recent was a compliance order (no penalty) in December 2021.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 10, 2021 | California | Compliance order (no penalty) | 1 violation (1 health-based): Nitrate |
| Nov 23, 2011 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Mar 7, 2011 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Feb 15, 2011 | California | Compliance order (no penalty) | 2 violations (2 health-based): Total Coliform |
| Mar 22, 2006 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jan 18, 2006 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Sep 18, 2002 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jan 15, 2002 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
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 Riverbank draws water from 9 wells.
Annual water quality report
City of Riverbank 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