Water Quality in Norman, OK (73026)
EPA violation data for public water systems serving ZIP code 73026.
Active Health Violations
8 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 99% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
11,216
Population
30
Water Systems
235
Violations (5yr)
8
Health-Based
Location
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Water Systems Serving This Area (30)
Norman Utilities Authority
1 health-basedMoore Public Works Authority
4 health-basedOklahoma University
All resolvedLittle Axe School
Ltsp - Hog Creek
Lake Thunderbird Sp South Dam
All resolvedLake Thunderbird Sp Little Axe Area
All resolvedLittle River St Pk Lil Axe Ms
Little River St Pk Post Oak
Lake Thunderbird Sp Indian Point
All resolvedLake Thunderbird Sp North Sentinal
Lake Thunderbird Sp South Sentinal
Little River St Pk Clr Bay #2
Lake Thunderbird Sp Clear Bay
All resolvedRobin Hill School
All resolvedWildfire Estates Homeowners
3 health-basedSullivant Memorial Retreat
All resolvedHilltop Baptist Church
All resolvedOld #9
All resolvedHarps Food Stores
All resolvedAlameda Market
All resolvedWells Christmas Tree Farm
Terra Verde Discovery School
High Cedar Store
Lakeside Church Of God
All resolvedThunderbird Chapel
Corner Market
All resolvedTwelve Corners Cafe
Shell Lake Mart
Denvers Corner Pantry Inc
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Used to disinfect water — generally safe at regulated levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Norman (73026) has more violations than 99% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 235.
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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
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.