Water Quality in Rancho Cucamonga, CA (92242)
EPA violation data for public water systems serving ZIP code 92242.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 4 monitoring/reporting violations.
More violations than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,359
Population
23
Water Systems
5
Violations (5yr)
1
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
Emerald Cove Resort
Riverland Resort
1 health-basedRio Del Colorado
Echo Lodge Resort
River Shore Estates-Bia
Bermuda Palms - Bia
Riverview Trailer Park-Bia
Riverview Mobile And Rv Park
Wheel-Er Inn Tlr Park-Bia
River Reflections Estates
Empire Landing Campground-Sundance Rv
Wheel-Er In Family
All resolvedRiver Shore Estates
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Rancho Cucamonga (92242) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.