Water Quality in Rancho Cucamonga, CA (92365)
EPA violation data for public water systems serving ZIP code 92365.
Past Health-Based Violations
7 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 22 monitoring/reporting violations.
More violations than 82% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,192
Population
33
Water Systems
29
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (33)
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
Kelly'S Market
Newberry Mini Mart And Truck Stop
Newberry Elementary School
Ironwood Camp
7 health-basedTwin Lake Rec Resort Park
Newberry Community Services
All resolvedNewberry Chevron
Lake Wainani Owners Assoc
Newberry Springs Senior Center
All resolvedAmerican Legion Post 751
All resolvedCamp Silver Valley
Cal West Rock (Wrp)
Recreational Camping Assn Of
Little Cafe
Caltrans - Newberry Maintenanc
Barn The
All resolvedNewberry Mountain Rv & Motel
Lake Loren
Bagdad Cafe
All resolvedRustler S Inn
Bnsf Rr - Newberry/Amboy
Discovery Water Park
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Rancho Cucamonga (92365) has more violations than 82% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 29.
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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 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.