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WaterSafeCheck

Madill, OK Tap Water Quality

Water safety reports for all 1 ZIP code in Madill, Oklahoma

Average Score

70/100

Health Violations

24

ZIP Codes

1

High Lead Risk

0

of 1 ZIP codes

B

About Tap Water in Madill, OK

The drinking water in Madill, OK generally meets all federal health standards, earning a solid B grade with a composite safety score of 70/100 across 1 ZIP code. While the primary water utility, Marshall County Rural Water District #2, maintains adequate compliance with EPA regulations, there have been minor or administrative violations on record. Overall, residents receive safe tap water that is actively monitored by Oklahoma Department of Environmental Quality.

The accumulation of 24 health-based violations over the past 5 years highlights systemic challenges within Madill'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.

Fortunately, the modeled risk for widespread lead exposure in Madill'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.

Health-Based Contaminant Violations in Madill

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

Haloacetic Acids (HAA5)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 — Madill, OK

Click any ZIP code for the full water quality report

B
73446

Madill, OK

Score: 70/10024 violations

Frequently Asked Questions — Madill Water Quality

Is tap water safe to drink in Madill, OK?+
Yes — tap water in Madill meets all federal EPA standards and earns a B 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 Madill?+
The average water quality score across 1 ZIP code in Madill, OK is 70/100. 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 Madill have lead in its tap water?+
Lead risk ratings in Madill 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 Madill?+
Each ZIP code in Madill 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 Madill's tap water come from?+
Tap water in Madill, 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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