South San Jose Hills Tap Water Quality Report
South San Jose Hills's water has 6 contaminants above EPA MCLGs. We recommend using a certified water filter.
Utilities
4 Utilities
People Served
231,585
MCL Violations
0
Last Updated
Is South San Jose Hills Tap Water Safe to Drink?
South San Jose Hills's water has 6 contaminants above EPA health-based guidelines. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in South San Jose Hills's water.
The data below shows test results from 4 water utilities serving 231,585 people in the South San Jose Hills area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2025-09-29.
South San Jose Hills Water Service Areas
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Recommended Water Filters for South San Jose Hills
Based on South San Jose Hills's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Removes 19 contaminants:
Nitrate, Copper, Zinc, Barium, Sulfate +14 more
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
1,2 Dichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos, Atrazine +14 more
Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
1,2 Dichlorobenzene, 1,2,4 Trichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos +17 more
Clearly Filtered
NSF Certified:
Flow Rate
0.5 gpm
Daily Production
100 gpd
Removes 7 contaminants:
Chlorine, Lead, Fluoride, PFAS, Pharmaceuticals +2 more
Verify Your Water Quality with Independent Testing
With 6 contaminants above EPA health guidelines, independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Advanced Home Water Test
$369
Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.
SimpleLab
Standard Home Water Test
$232
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$636
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Frequently Asked Questions About South San Jose Hills Tap Water
South San Jose Hills's water has 6 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in South San Jose Hills's water.
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