Water Quality in Tulsa, OK (74021)
EPA violation data for public water systems serving ZIP code 74021.
Past Health-Based Violations
10 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 9 monitoring/reporting violations.
More violations than 78% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
23,628
Population
13
Water Systems
19
Violations (5yr)
10
Health-Based
Location
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Water Systems Serving This Area (13)
Tulsa
Tulsa Ab Jewell
Broken Arrow Municipal Authority
Bartlesville
1 health-basedWashington Co Rwd #3 (New,#1)
All resolvedClaremore
8 health-basedWashington Rwd #3 (Old)
Collinsville
1 health-basedCollinsville Mhp
Collinsville Mhp
Horsepen Creek Tp
Vernon Joiner Tp
Plum Park Mhp
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Tulsa (74021) has more violations than 78% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 19.
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.