Public water system record
Rancho Marina
Serves an area of Sacramento County, CA · 250 people served
Federal records show 7 health-based violations and 1 monitoring/reporting issue for Rancho Marina in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 7
- Resolved
- 5
- Unresolved
- 1
- Archived by EPA
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Rancho Marina draws water from 1 well.
- Highest measured level in the last 10 years: Arsenic, 69 µg/L, federal limit 10 µg/L (6.9 times the limit), 2024.
- Most recent formal enforcement: compliance order (no penalty) by California, July 2025.
- Record on file since 1980, with 36 health-based violations before October 19, 2016.
Check whether Rancho Marina 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
|
Arsenic
Contaminant limit exceeded
Measured 69 µg/L, federal limit 10 µg/L (6.9 times the limit)
|
330 | Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
|
330 | Oct 1, 2017 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 29.8 µg/L, federal limit 10 µg/L (3 times the limit)
|
330 | Jul 1, 2017 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 27.3 µg/L, federal limit 10 µg/L (2.7 times the limit)
|
330 | Apr 1, 2017 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0303 mg/L, federal limit 0.01 mg/L (3 times the limit)
|
330 | Jan 1, 2017 | Resolved | No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0309 mg/L, federal limit 0.01 mg/L (3.1 times the limit)
|
330 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
Full record since 1980
EPA's records for Rancho Marina go back to 1980. Before October 19, 2016 they list 36 health-based violations (36 resolved) and 29 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 26 |
| 1990s | 1 | 1 |
| 2000s | 9 | 0 |
| 2010 to October 18, 2016 | 26 | 2 |
| October 19, 2016 to 2019 | 4 | 0 |
| 2020s | 2 | 1 |
Most recent health-based violation before October 19, 2016: Arsenic, began October 2016, Resolved.
Show all 36 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.0309 mg/L, federal limit 0.01 mg/L (3.1 times the limit)
|
Oct 1, 2016 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0297 mg/L, federal limit 0.01 mg/L (3 times the limit)
|
Jul 1, 2016 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.033 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
|
Apr 1, 2016 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0317 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Jan 1, 2016 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.03 mg/L, federal limit 0.01 mg/L (3 times the limit)
|
Oct 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.026925 mg/L, federal limit 0.01 mg/L (2.7 times the limit)
|
Jul 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0255 mg/L, federal limit 0.01 mg/L (2.6 times the limit)
|
Apr 30, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.021 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
|
Jan 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015575 mg/L, federal limit 0.01 mg/L (1.6 times the limit)
|
Oct 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Jul 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
Apr 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.02533 mg/L, federal limit 0.01 mg/L (2.5 times the limit)
|
Jan 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.034 mg/L, federal limit 0.01 mg/L (3.4 times the limit)
|
Oct 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.033 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
|
Jul 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.033 mg/L, federal limit 0.01 mg/L (3.3 times the limit)
|
Apr 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.032168 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Jan 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.030168 mg/L, federal limit 0.01 mg/L (3 times the limit)
|
Oct 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.029418 mg/L, federal limit 0.01 mg/L (2.9 times the limit)
|
Jul 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.06542 mg/L, federal limit 0.01 mg/L (6.5 times the limit)
|
Apr 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0591 mg/L, federal limit 0.01 mg/L (5.9 times the limit)
|
Oct 10, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0557 mg/L, federal limit 0.01 mg/L (5.6 times the limit)
|
Jul 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.062 mg/L, federal limit 0.01 mg/L (6.2 times the limit)
|
Apr 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0621 mg/L, federal limit 0.01 mg/L (6.2 times the limit)
|
Jan 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0595 mg/L, federal limit 0.01 mg/L (6 times the limit)
|
Oct 10, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0639 mg/L, federal limit 0.01 mg/L (6.4 times the limit)
|
Jul 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0653 mg/L, federal limit 0.01 mg/L (6.5 times the limit)
|
Apr 1, 2010 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.067 mg/L, federal limit 0.01 mg/L (6.7 times the limit)
|
Oct 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0669 mg/L, federal limit 0.01 mg/L (6.7 times the limit)
|
Jul 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0635 mg/L, federal limit 0.01 mg/L (6.4 times the limit)
|
Apr 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.01 mg/L (6 times the limit)
|
Jan 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.01 mg/L (6 times the limit)
|
Oct 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.01 mg/L (6 times the limit)
|
Jul 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.015126 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
|
Jan 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.06 mg/L, federal limit 0.01 mg/L (6 times the limit)
|
Apr 7, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2001 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1992 | Resolved |
Enforcement actions
California regulators took 6 formal enforcement actions against Rancho Marina between 1994 and 2025, filed as 8 records in EPA's data. The most recent was a compliance order (no penalty) in July 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 10, 2025 | California | Compliance order (no penalty) | 1 violation (1 health-based): Arsenic |
| Aug 1, 2017 | California | Compliance order (no penalty) | 2 violations (2 health-based): Arsenic |
| Jan 21, 2016 | California | Compliance order (no penalty) | 5 violations (1 health-based): Arsenic, Total Coliform |
| Nov 14, 2014 | California | Compliance order (no penalty) | 12 violations (12 health-based): Arsenic |
| Jul 11, 2008 | California | Compliance order (no penalty) | 27 violations (27 health-based): Arsenic |
| Sep 1, 1994 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
What the violations mean
Arsenic
6 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Rancho Marina draws water from 1 well.
Annual water quality report
Rancho Marina 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Rancho Marina for a copy.
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