Water Quality in Madill, OK (73446)
EPA violation data for public water systems serving ZIP code 73446.
Active Health Violations
74 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 95% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
8,479
Population
14
Water Systems
81
Violations (5yr)
74
Health-Based
Location
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Water Systems Serving This Area (14)
Ardmore
1 health-basedMarshall County Rural Water District #2
25 health-basedMarshall Co Water Corp
Madill
23 health-basedOakland Pwa
8 health-basedOakview Water Corp
5 health-basedCardinal Hill Subdivision
1 health-basedLittle Glasses Resort
Little Glasses
Texoma Hills
11 health-basedBridgeview Resort
Brown Water Co
Arco Oil & Gas Co
Marshall Co Water Corp (Now Ok1010848)
Contaminants Found
Used to disinfect water — generally safe at regulated levels.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Madill (73446) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 81.
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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
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.