Water Quality in Stillwater, OK (74078)

EPA violation data for public water systems serving ZIP code 74078.

Past Health-Based Violations

8 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There is also 1 monitoring/reporting violation.

More violations than 65% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

451

Population

6

Water Systems

9

Violations (5yr)

8

Health-Based

Location

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Water Systems Serving This Area (6)

Stillwater Utilities Authority

6 health-based
Surface water 53,000 people served
6 violations (5yr) · 6 health-based · All resolved
Lead tested: 2.1 ppb (limit: 15 ppb)

Stillwater

Purchased surface water 20,000 people served
0 violations

Osu Water Plant

2 health-based
Surface water 13,000 people served
3 violations (5yr) · 2 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Deer Run

Purchased surface water 110 people served
0 violations

Sunset Bay Rv Park

Purchased surface water 100 people served
0 violations

Turkey Hollow

Purchased surface water 55 people served
0 violations

Contaminants Found

CARBON, TOTALHealth-Based
4 violations
All resolved
Surface Water Treatment RuleHealth-Based
2 violations
All resolved
TTHMHealth-Based
2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
2.1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Stillwater (74078) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9.

Fewer violations 65th percentile More violations

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.

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

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.

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