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WaterSafeCheck

Fort Sill, OK Tap Water Quality

Water safety reports for all 1 ZIP code in Fort Sill, Oklahoma

Average Score

91/100

Health Violations

0

ZIP Codes

1

High Lead Risk

0

of 1 ZIP codes

A

About Tap Water in Fort Sill, OK

Tap water in Fort Sill, OK ranks among the best in the state, maintaining a remarkable average water quality score of 91/100 across its 1 ZIP code. Based on recent EPA Safe Drinking Water Act compliance records, water provided by Fort Sill Hqusafacfs 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.

A major factor in Fort Sill's high rating is its flawless health-based violation record. Over the past 5 years of EPA tracking, local water systems have recorded zero health-based violations. This means that regulated contaminants—such as lead, arsenic, and harmful bacteria—have not exceeded the Maximum Contaminant Levels (MCLs) allowed by federal law. Drawing primarily from surface water, the city utilizes advanced filtration to maintain this standard.

Fortunately, the modeled risk for widespread lead exposure in Fort Sill's municipal water is relatively low compared to national averages. However, because lead typically enters drinking water through the corrosion of older, individual home plumbing rather than the main supply lines, residents in homes built before 1986 should still exercise caution by running the tap before use.

Water Quality by ZIP Code — Fort Sill, OK

Click any ZIP code for the full water quality report

A
73503

Fort Sill, OK

Score: 91/100✓ No violations

Frequently Asked Questions — Fort Sill Water Quality

Is tap water safe to drink in Fort Sill, OK?+
Yes — tap water in Fort Sill 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 Fort Sill?+
The average water quality score across 1 ZIP code in Fort Sill, OK is 91/100. 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 Fort Sill have lead in its tap water?+
Lead risk ratings in Fort Sill are relatively low based on EPA monitoring data. However, lead in home plumbing is a separate concern — if your home was built before 1986, individual tap testing is recommended.
How do I get the water quality report for Fort Sill?+
Each ZIP code in Fort Sill 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 Fort Sill's tap water come from?+
Tap water in Fort Sill, 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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