Water Quality in Rancho Cucamonga, CA (92392)
EPA violation data for public water systems serving ZIP code 92392.
No Health-Based Violations
None of the 23 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There is1 monitoring/reporting violation (missed testing deadlines), all resolved.
Better than 29% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
65,429
Population
23
Water Systems
1
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (23)
Chino Basin Mwd
San Gabriel Valley Wc - Fontana
San Bernardino City
Cucamonga Valley Water District
Ontario Municipal Utilities Company
Victorville Water District
San Bernardino Valley Wd
East Valley Water District
West Valley Water District
Hesperia Wd
Peggy Sue'S Diner
Baldy Mesa County
San Bernardino Co Service Area
Prime Desert Properties
Wonderful Memories Daycare
Caltrans - First Fountain
J W Lewis
Bec Apartments
Alpine Store
All resolvedJeremy S
North American Drilling
Caltrans - Second Fountains
Baldy Mesa Cwd - Inactive
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Rancho Cucamonga (92392) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.