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WaterSafeCheck

Tulsa, OK Tap Water Quality

Water safety reports for all 52 ZIP codes in Tulsa, Oklahoma

Average Score

88/100

Health Violations

52

ZIP Codes

52

High Lead Risk

22

of 52 ZIP codes

A

About Tap Water in Tulsa, OK

Tap water in Tulsa, OK ranks among the best in the state, maintaining a remarkable average water quality score of 88/100 across its 52 ZIP codes. Based on recent EPA Safe Drinking Water Act compliance records, water provided by Tulsa and other municipal suppliers has consistently met or exceeded federal safety standards. This top-tier "A" grade reflects strong infrastructure, diligent monitoring by Oklahoma Department of Environmental Quality, and low contaminant levels.

The accumulation of 52 health-based violations over the past 5 years highlights systemic challenges within Tulsa's water infrastructure. When violations occur, it means that drinking water tests revealed contaminant levels exceeding safe limits, triggering mandatory corrective actions by Oklahoma Department of Environmental Quality. The city relies on surface water, which may require significant treatment upgrades to address these recurring issues.

Additionally, lead exposure risk remains a critical issue for certain neighborhoods. EPA data indicates that 22 out of 52 ZIP codes in Tulsa are rated as High or Very High risk for lead. This risk is often driven by aging homes with pre-1986 plumbing containing lead solder or service lines. Families in these areas should test their tap water and consider NSF/ANSI 53 certified filters.

⚠ Lead Risk Alert: Some ZIP codes in Tulsa are rated High or Very High for lead exposure risk based on EPA data. Search your specific ZIP code for a detailed lead level report.

Health-Based Contaminant Violations in Tulsa

EPA records indicate that the following contaminants have exceeded Safe Drinking Water Act Maximum Contaminant Levels (MCLs) in Tulsa water systems over the past 5 years.

Stage 2 DBP Rule

Note: The presence of a past violation does not necessarily mean current water is unsafe. Utilities are required to take corrective action. Review your Consumer Confidence Report for the latest status.

Water Quality by ZIP Code — Tulsa, OK

Click any ZIP code for the full water quality report

A
74121

Tulsa, OK

Score: 94/1001 violation
A
74131

Tulsa, OK

Score: 94/1001 violation
A
74141

Tulsa, OK

Score: 94/1001 violation
A
74147

Tulsa, OK

Score: 94/1001 violation
A
74148

Tulsa, OK

Score: 94/1001 violation
A
74149

Tulsa, OK

Score: 94/1001 violation
A
74152

Tulsa, OK

Score: 94/1001 violation
A
74156

Tulsa, OK

Score: 94/1001 violation
A
74159

Tulsa, OK

Score: 94/1001 violation
A
74169

Tulsa, OK

Score: 94/1001 violation
A
74171

Tulsa, OK

Score: 94/1001 violation
A
74172

Tulsa, OK

Score: 94/1001 violation
A
74182

Tulsa, OK

Score: 94/1001 violation
A
74186

Tulsa, OK

Score: 94/1001 violation
A
74187

Tulsa, OK

Score: 94/1001 violation
A
74192

Tulsa, OK

Score: 94/1001 violation
A
74193

Tulsa, OK

Score: 94/1001 violation
A
74101

Tulsa, OK

Score: 91/1001 violation
A
74102

Tulsa, OK

Score: 91/1001 violation
A
74103

Tulsa, OK

Score: 91/1001 violation
A
74117

Tulsa, OK

Score: 91/1001 violation
A
74119

Tulsa, OK

Score: 91/1001 violation
A
74126

Tulsa, OK

Score: 91/1001 violation
A
74134

Tulsa, OK

Score: 91/1001 violation
A
74150

Tulsa, OK

Score: 91/1001 violation
A
74153

Tulsa, OK

Score: 91/1001 violation
A
74155

Tulsa, OK

Score: 91/1001 violation
A
74157

Tulsa, OK

Score: 91/1001 violation
A
74158

Tulsa, OK

Score: 91/1001 violation
A
74170

Tulsa, OK

Score: 91/1001 violation
A
74104

Tulsa, OK

Score: 86/1001 violation
A
74106

Tulsa, OK

Score: 86/1001 violation
A
74108

Tulsa, OK

Score: 86/1001 violation
A
74110

Tulsa, OK

Score: 86/1001 violation
A
74116

Tulsa, OK

Score: 86/1001 violation
A
74120

Tulsa, OK

Score: 86/1001 violation
A
74127

Tulsa, OK

Score: 86/1001 violation
A
74137

Tulsa, OK

Score: 86/1001 violation
B
74107

Tulsa, OK

Score: 81/1001 violation
B
74114

Tulsa, OK

Score: 81/1001 violation
B
74115

Tulsa, OK

Score: 81/1001 violation
B
74128

Tulsa, OK

Score: 81/1001 violation
B
74130

Tulsa, OK

Score: 81/1001 violation
B
74132

Tulsa, OK

Score: 81/1001 violation
B
74133

Tulsa, OK

Score: 81/1001 violation
B
74136

Tulsa, OK

Score: 81/1001 violation
B
74145

Tulsa, OK

Score: 81/1001 violation
B
74146

Tulsa, OK

Score: 81/1001 violation
B
74105

Tulsa, OK

Score: 76/1001 violation
B
74112

Tulsa, OK

Score: 76/1001 violation
B
74129

Tulsa, OK

Score: 76/1001 violation
B
74135

Tulsa, OK

Score: 76/1001 violation

Frequently Asked Questions — Tulsa Water Quality

Is tap water safe to drink in Tulsa, OK?+
Yes — tap water in Tulsa meets all federal EPA standards and earns a A grade. It is generally safe for healthy adults. As always, running your tap for 30 seconds before use and using a filter adds extra protection for vulnerable populations.
What is the water quality score for Tulsa?+
The average water quality score across 52 ZIP codes in Tulsa, OK is 88/100. Scores are derived from EPA violation history, lead levels, enforcement actions, and infrastructure risk indicators. Individual ZIP codes may vary — search your specific ZIP above for a personalized report.
Does Tulsa have lead in its tap water?+
22 out of 52 ZIP codes in Tulsa are rated High or Very High for lead exposure risk. Older homes built before 1986 may have lead service lines or plumbing fixtures. Residents should run their tap for 30 seconds before use and consider a certified NSF/ANSI 53 lead filter.
How do I get the water quality report for Tulsa?+
Each ZIP code in Tulsa has a full water quality report on this site — click any ZIP code below. You can also get the annual Consumer Confidence Report (CCR) from your local water utility. The CCR is required to be published every year by July 1 and contains actual contaminant measurements and violation history.
Where does Tulsa's tap water come from?+
Tap water in Tulsa, OK primarily comes from surface water. Surface water systems treat water from rivers, lakes, or reservoirs using filtration, sedimentation, and disinfection before it reaches your tap.

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