Water Quality in Stillwater, OK (74059)
EPA violation data for public water systems serving ZIP code 74059.
Past Health-Based Violations
6 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 57 monitoring/reporting violations.
More violations than 93% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,643
Population
20
Water Systems
63
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (20)
Stillwater Utilities Authority
6 health-basedStillwater
Perkins
All resolvedIoway Community Hall
Iowa Tribal Complex
Iowa Tribe Of Oklahoma - Grey Snow Eagle
All resolvedBlue Ridge Mhp
Ioway Travel Plaza
Ralphs Packing
The Western Commercial Kitchen
All resolvedRock'M Cowboy Church
River Of Life Church Rv Park
Ampride, Inc.
Whistle Stop #2
Sugar And Spice Llc
Oleo Acres
Jalopy Drive-In
Ok Lions Boys Ranch Homestead
Okla Lions Boys Ranch (Cedars)
Okla Lion'S Boy'S Ranch
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jan 2025
How Does This Compare?
Stillwater (74059) has more violations than 93% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 63.
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.