Water Quality in Rancho Cucamonga, CA (92307)
EPA violation data for public water systems serving ZIP code 92307.
No Health-Based Violations
None of the 29 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are8 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 60% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
41,180
Population
29
Water Systems
8
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (29)
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
Rancho Del Lago
Apple Valley View Mwc
Navajo Mwc
All resolvedSo Cal Water Co Victorville 5
Apple Valley Water Resources
Lone Wolf Colony
All resolvedVfw Post 5551
All resolvedMendel Park (Apple Valley Parks)
Nikki S Cafe
Apple Valley Airport
Jess Ranch Inc
Bum Steer Restaurant , The
Hy Desert Inn
Jess Ranch Water Company
Apple Valley W D Indust Pk
Apple Valley Horseman Center
All resolvedBedm Corporation 33-N T06nr03w
Jess Ranch Wc
Mojave Water Agency
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 (92307) has more violations than 60% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8, 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.