Public water system record
California Water Service Co.-Lancaster
Serves Lancaster, Los Angeles County, CA · 1,387 people served
Federal records show no health-based violations and no monitoring or reporting issues for California Water Service Co.-Lancaster 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
- 0
Key facts
- California Water Service Co.-Lancaster draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, June 2014.
- Record on file since 1994, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 579 unknown out of 681 service lines.
Check whether California Water Service Co.-Lancaster 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, and no monitoring or reporting violations either.
Full record since 1994
EPA's records for California Water Service Co.-Lancaster go back to 1994. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2010 to October 18, 2016 | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began January 1994, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1994 | Resolved |
Enforcement actions
California regulators took 1 formal enforcement action against California Water Service Co.-Lancaster in 2014. The most recent was a compliance order (no penalty) in June 2014.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 24, 2014 | California | Compliance order (no penalty) | 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs) |
Where the water comes from
California Water Service Co.-Lancaster draws water from 2 wells. It also buys water from Antelope Valley East Kern Water Agency. It also has an emergency connection to Los Angeles CWWD 40 Reg 4 & 34 Lancaster.
Buys water from
- Antelope Valley East Kern Water Agency Palmdale, CA
Emergency or part-time connections to
- Los Angeles CWWD 40 Reg 4 & 34 Lancaster Alhambra, CA
Annual water quality report
California Water Service Co.-Lancaster 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