Public water system record
Lost Hills Utility District
Serves an area of Kern County, CA that includes Lost Hills · 2,370 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Lost Hills Utility District in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Lost Hills Utility District draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, May 2024.
- Record on file since 1992, with 13 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 448 service lines.
Check whether Lost Hills Utility District 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 1997 | Resolved |
Full record since 1992
EPA's records for Lost Hills Utility District go back to 1992. Before October 19, 2016 they list 13 health-based violations (11 resolved, 2 archived by EPA without a recorded fix) and 17 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 2 |
| 2000s | 8 | 13 |
| 2010 to October 18, 2016 | 1 | 2 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began April 2011, Resolved.
Show all 13 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2011 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.043 mg/L, federal limit 0.01 mg/L (4.3 times the limit)
|
Oct 1, 2008 | Archived |
|
Arsenic
Contaminant limit exceeded
Measured 0.0357 mg/L, federal limit 0.01 mg/L (3.6 times the limit)
|
Oct 1, 2007 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0397 mg/L, federal limit 0.01 mg/L (4 times the limit)
|
Apr 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0475 mg/L, federal limit 0.01 mg/L (4.8 times the limit)
|
Jan 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.043 mg/L, federal limit 0.01 mg/L (4.3 times the limit)
|
Jul 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1992 | Resolved |
Enforcement actions
California regulators took 5 formal enforcement actions against Lost Hills Utility District between 2001 and 2024. The most recent was a compliance order (no penalty) in May 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 13, 2024 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Jun 3, 2011 | California | Compliance order (no penalty) | 2 violations (1 health-based): Total Coliform |
| Oct 19, 2007 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Feb 1, 2002 | California | Compliance order (no penalty) | 2 violations (1 health-based): Total Coliform |
| Feb 1, 2001 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Lost Hills Utility District draws water from 3 wells.
Annual water quality report
Lost Hills Utility District 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