Public water system record
San Justo Mutual Water Company
Serves an area of San Benito County, CA · 160 people served
Federal records show 1 health-based violation and 4 monitoring/reporting issues for San Justo Mutual Water Company in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 4
Key facts
- San Justo Mutual Water Company draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by California, March 2023.
- Record on file since 1980, with 10 health-based violations before October 20, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 61 service lines.
Check whether San Justo Mutual Water Company 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 |
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 |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
Full record since 1980
EPA's records for San Justo Mutual Water Company go back to 1980. Before October 20, 2016 they list 10 health-based violations (10 resolved) and 19 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 6 | 10 |
| 2000s | 4 | 7 |
| 2020s | 1 | 4 |
Most recent health-based violation before October 20, 2016: Total Coliform, began September 2007, Resolved.
Show all 10 health-based violations before October 20, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1994 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
May 1, 1991 | Resolved |
Enforcement actions
California regulators took 8 formal enforcement actions against San Justo Mutual Water Company between 1999 and 2023. The most recent was a compliance order (no penalty) in March 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Mar 2, 2023 | California | Compliance order (no penalty) | 1 violation: Total Trihalomethanes (TTHMs) |
| Nov 14, 2022 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Jan 7, 2022 | California | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Oct 30, 2007 | California | Compliance order (no penalty) | 3 violations (1 health-based): Total Coliform, Public Notice |
| Aug 26, 2005 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Apr 29, 2005 | California | Compliance order (no penalty) | 2 violations (1 health-based): Total Coliform |
| Jul 19, 2001 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Feb 3, 1999 | California | Administrative penalty | 6 violations: Total Coliform |
What the violations mean
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
San Justo Mutual Water Company draws water from 1 well.
Annual water quality report
San Justo Mutual Water Company 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 San Justo Mutual Water Company 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