Public water system record
Magnolia Mutual Water
Serves Courtland, Sacramento County, CA · 90 people served
Federal records show 3 health-based violations and 4 monitoring/reporting issues for Magnolia Mutual Water in the last ten years. The most serious issue in this window was a Arsenic violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 1
- Unresolved
- 0
- Archived by EPA
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Magnolia Mutual Water draws water from 1 well.
- Highest measured level in the last 10 years: Arsenic, 0.0113 mg/L, federal limit 0.01 mg/L (1.1 times the limit), 2019.
- Most recent formal enforcement: compliance order (no penalty) by California, August 2025.
- Record on file since 1980, with 13 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 27 service lines.
Check whether Magnolia Mutual Water 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 |
|---|---|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 11 µg/L, federal limit 10 µg/L (1.1 times the limit)
|
330 | Oct 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 10.8 µg/L, federal limit 10 µg/L (1.1 times the limit)
|
330 | Apr 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Arsenic
Contaminant limit exceeded
Measured 0.0113 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
330 | May 1, 2019 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Oct 2, 2018 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2017 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2016 | Resolved |
Full record since 1980
EPA's records for Magnolia Mutual Water go back to 1980. Before October 19, 2016 they list 13 health-based violations (13 resolved) and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 4 |
| 1990s | 0 | 1 |
| 2000s | 3 | 1 |
| 2010 to October 18, 2016 | 10 | 2 |
| October 19, 2016 to 2019 | 1 | 4 |
| 2020s | 2 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2015, Resolved.
Show all 13 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.02975 mg/L, federal limit 0.01 mg/L (3 times the limit)
|
Apr 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.03 mg/L, federal limit 0.01 mg/L (3 times the limit)
|
Jan 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.03175 mg/L, federal limit 0.01 mg/L (3.2 times the limit)
|
Oct 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.03123 mg/L, federal limit 0.01 mg/L (3.1 times the limit)
|
Jul 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.02075 mg/L, federal limit 0.01 mg/L (2.1 times the limit)
|
Apr 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.02152 mg/L, federal limit 0.01 mg/L (2.2 times the limit)
|
Jan 1, 2014 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.01903 mg/L, federal limit 0.01 mg/L (1.9 times the limit)
|
Oct 1, 2013 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.11 mg/L, federal limit 0.01 mg/L (11 times the limit)
|
Oct 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.01125 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Jul 1, 2012 | Resolved |
|
Arsenic
Contaminant limit exceeded
|
Jan 1, 2009 | Resolved |
|
Arsenic
Contaminant limit exceeded
|
Oct 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
|
Jul 1, 2008 | Resolved |
Enforcement actions
California regulators took 5 formal enforcement actions against Magnolia Mutual Water between 2008 and 2025. The most recent was a compliance order (no penalty) in August 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 6, 2025 | California | Compliance order (no penalty) | 1 violation (1 health-based): Arsenic |
| Aug 28, 2024 | California | Compliance order (no penalty) | 1 violation (1 health-based): Arsenic |
| Sep 12, 2019 | California | Compliance order (no penalty) | 2 violations (1 health-based): Consumer Confidence Rule, Arsenic |
| Jan 25, 2018 | California | Administrative penalty | 1 violation: Lead and Copper Rule |
| Oct 29, 2008 | California | Compliance order (no penalty) | 12 violations (12 health-based): Arsenic |
What the violations mean
Arsenic
3 incidentsArsenic exceeded the federal limit
Long-term arsenic exposure is linked to cancer and cardiovascular effects
Where the water comes from
Magnolia Mutual Water draws water from 1 well.
Annual water quality report
Magnolia Mutual Water 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 Magnolia Mutual Water 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