Public water system record
Camp Pendleton (South)
Serves an area of San Diego County, CA that includes Camp Pendleton Mainside and Camp Pendleton South · 42,219 people served
Federal records show 2 health-based violations and no monitoring/reporting issues for Camp Pendleton (South) in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Camp Pendleton (South) draws water from 12 wells.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2018.
- Most recent formal enforcement: compliance order (no penalty) by EPA, September 2017.
- Record on file since 1988, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 8,052 service lines.
Check whether Camp Pendleton (South) 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2018 | Resolved | No |
|
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
|
210 | Jun 26, 2017 | Resolved | No |
Full record since 1988
EPA's records for Camp Pendleton (South) go back to 1988. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 8 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 2 | 1 |
| 2000s | 1 | 1 |
| 2010 to October 18, 2016 | 4 | 4 |
| October 19, 2016 to 2019 | 2 | 0 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2016, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
Jul 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1996 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 1996 | Resolved |
Enforcement actions
California regulators and EPA took 3 formal enforcement actions against Camp Pendleton (South) between 1990 and 2017. The most recent was a compliance order (no penalty) in September 2017.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 20, 2017 | EPA | Compliance order (no penalty) | 1 violation (1 health-based): Stage 1 Disinfection Byproducts Rule |
| Dec 21, 2007 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Apr 9, 1990 | California | Compliance order (no penalty) | 1 violation: Benzene |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Stage 1 Disinfection Byproducts Rule
1 incidentThe system did not meet a treatment requirement of the Stage 1 Disinfectants and Disinfection Byproducts Rule
Byproducts form when disinfectants react with natural material in water. Long-term exposure above federal limits may increase cancer risk
Where the water comes from
Camp Pendleton (South) draws water from 12 wells. It also has an emergency connection to City of Oceanside. 1 other community water system buys water from Camp Pendleton (South). 2 other public water systems have emergency connections to Camp Pendleton (South).
Emergency or part-time connections to
- City of Oceanside Oceanside, CA
Community systems that buy water from it
- Fallbrook PUD Fallbrook, CA
Annual water quality report
Camp Pendleton (South) 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