CALIFORNIA WATER SERVICE CO.-TRAVIS AFB Water Quality Report
Population
18,111
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years, including 2 health-based
System Details
- PWSID
- CA4810701
- Population Served
- 18,111
- Water Source
- Surface Water
- Owner
- Federal
- State
- California
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Total Trihalomethanes (TTHMs) | ✕ Health-Based | 2 |
Violation History
2015
2
Total violations on record: 2
Service Area
Cities Served
ZIP Codes Served
Recommended Water Filters
Based on contaminants detected in this water system:
Activated Carbon Filter
Effective for chlorine, THMs, pesticides, and taste/odor improvement
Removes: Total Trihalomethanes (TTHMs)
How does this compare?
This systemNational average
Grade A
Avg: B-C
2violations total
7% of national average
National avg: ~28 per system
📍 Mid-to-large system — serves 3× the national average.