Public water system record
Riverdale Park Tract CSD
Serves Riverdale Park, Stanislaus County, CA · 610 people served
Federal records show 1 health-based violation and 2 monitoring/reporting issues for Riverdale Park Tract CSD in the last ten years. The most serious issue in this window was a Combined Uranium violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Riverdale Park Tract CSD draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, February 2016.
- Record on file since 1980, with 8 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 180 service lines.
Check whether Riverdale Park Tract CSD 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 |
|---|---|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
|
340 | Oct 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Combined Uranium
Monitoring and reporting
|
Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Combined Uranium
Monitoring and reporting
|
Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 1980
EPA's records for Riverdale Park Tract CSD go back to 1980. Before October 19, 2016 they list 8 health-based violations (3 resolved, 5 archived by EPA without a recorded fix) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 1 | 3 |
| 2000s | 2 | 0 |
| 2010 to October 18, 2016 | 5 | 0 |
| 2020s | 1 | 2 |
Most recent health-based violation before October 19, 2016: Combined Uranium, began July 2016, Archived.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Apr 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jan 1, 2016 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Oct 1, 2015 | Archived |
|
Combined Uranium
Contaminant limit exceeded
|
Jul 1, 2015 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1997 | Resolved |
Enforcement actions
California regulators took 2 formal enforcement actions against Riverdale Park Tract CSD between 1997 and 2016. The most recent was a compliance order (no penalty) in February 2016.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 2, 2016 | California | Compliance order (no penalty) | 8 violations (6 health-based): Combined Uranium |
| Jan 8, 1997 | California | Signed compliance agreement | 1 violation (1 health-based): Total Coliform |
What the violations mean
Combined Uranium
1 incidentTest results for Combined Uranium were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about this violation.
Where the water comes from
Riverdale Park Tract CSD draws water from 1 well.
Annual water quality report
Riverdale Park Tract CSD 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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