Water Quality in Rancho Cucamonga, CA (92284)
EPA violation data for public water systems serving ZIP code 92284.
No Health-Based Violations
None of the 21 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 36% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
25,415
Population
21
Water Systems
2
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (21)
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
Hi Desert Wd
Bighorn - Desert View Water Agency
Bdvwa - Goat Mountain Id
El Coyote Loco
All resolvedCastle Inn
Oasis Cafe
Moose Club
Grubstake Grocery Cafe
Hitching Post Coffee Shop
Newlin Landers
San Bernardino Co Service
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 (92284) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, 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.