Public water system record
Edwards AFB - Main Base
Serves Edwards AFB, Kern County, CA · 11,316 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for Edwards AFB - Main Base in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 1
Key facts
- Edwards AFB - Main Base draws water from 8 wells (4 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, May 2024.
- Record on file since 1992, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 1,088 service lines.
Check whether Edwards AFB - Main Base 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Nov 1, 2023 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 1992
EPA's records for Edwards AFB - Main Base go back to 1992. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 4 | 0 |
| 2000s | 1 | 1 |
| 2010 to October 18, 2016 | 2 | 0 |
| 2020s | 1 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began November 2013, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 1992 | Resolved |
Enforcement actions
California regulators took 6 formal enforcement actions against Edwards AFB - Main Base between 1994 and 2024. The most recent was a compliance order (no penalty) in May 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 2, 2024 | California | Compliance order (no penalty) | 1 violation (1 health-based): Revised Total Coliform Rule |
| Mar 6, 2023 | California | Compliance order with a penalty | 1 violation: Nitrate |
| Mar 10, 2014 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| May 9, 2012 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Feb 16, 2001 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| May 2, 1994 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
Edwards AFB - Main Base draws water from 8 wells (4 of them for emergency, seasonal or other part-time use). It also buys water from Antelope Valley E Kern Wtr Agy-Rosamond.
Buys water from
- Antelope Valley E Kern Wtr Agy-Rosamond Palmdale, CA
Annual water quality report
Edwards AFB - Main Base 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