Public water system record
Rosamond CSD
Serves Rosamond, Kern County, CA · 17,711 people served
Federal records show no health-based violations and no monitoring or reporting issues for Rosamond CSD 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
- Rosamond CSD draws water from 2 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, January 2009.
- Record on file since 1992, with 11 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 5,455 service lines.
Check whether Rosamond CSD 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 1992
EPA's records for Rosamond CSD go back to 1992. Before October 19, 2016 they list 11 health-based violations (11 resolved) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 5 | 0 |
| 2000s | 6 | 0 |
Most recent health-based violation before October 19, 2016: Arsenic, began October 2008, Resolved.
Show all 11 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Oct 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Jul 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Apr 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Jan 1, 2008 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
|
Oct 1, 2007 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
|
Jul 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1997 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1992 | Resolved |
Enforcement actions
California regulators took 2 formal enforcement actions against Rosamond CSD between 1993 and 2009. The most recent was a compliance order (no penalty) in January 2009.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 23, 2009 | California | Compliance order (no penalty) | 6 violations (6 health-based): Arsenic |
| Jul 21, 1993 | California | Compliance order (no penalty) | 2 violations (2 health-based): Total Coliform |
Where the water comes from
Rosamond CSD draws water from 2 wells. It also buys water from Antelope Valley E Kern Wtr Agy-Rosamond. 1 smaller public system such as schools, businesses or campgrounds buys water from Rosamond CSD.
Buys water from
- Antelope Valley E Kern Wtr Agy-Rosamond Palmdale, CA
Annual water quality report
Rosamond CSD 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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