Madill, OK: 24 Health Violations — 70/100 (2026)
1 ZIP code · 6 water systems · Updated 2026-06-03
In current OK EPA data, Madill's tap water sits in the high-safety tier.
How Madill Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Madill Water
- Your city's water systems recorded 29 violations in the past 5 years.
- Average lead level: 0.0011 mg/L.
- Homes built before 1986: 64% — older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 16.07 — above typical levels.
Who Supplies Your Water in Madill
Structurally, Madill, OK's water supply is divided. Federal data identifies 6 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 1 ZIP code in Madill, Oklahoma (population ~8,414), covering 6 community water systems serving approximately 34,697 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 24 health-based violations documented.
Home Safety Score
Average Home Safety Score for Madill: B (70/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Madill water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0011 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 46 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 4 | 1 |
| Revised Total Coliform Rule | Microbiological | 4 | 1 |
| Contaminant 1052 | Other | 2 | 1 |
| Consumer Confidence Report Rule | Reporting | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 73446 | B | 29 | 24 | Marshall County Rural Water District #2 |
All ZIP Codes in Madill
- 73446 [B] — 29 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Madill
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Madill Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Madill
With 64% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Heavily weighted toward older construction, Madill's housing stock carries a median build year of 1972. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Madill were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Madill Homeowners
Viewed from a financial planning lens, Madill sits in the moderate remediation-share tier — the equity impact of addressing documented issues is real, and deliberate preparation separates smooth outcomes from disruptive ones for most homeowners.
Remediation costs are moderate relative to home values in Madill. The estimated $1,100–$3,300 range is manageable for most homeowners but still worth budgeting for. Home values are 15% below the Oklahoma average.
Lead Exposure Risk for Children in Madill
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
When older housing represents 64% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Madill address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Madill
Within the NFIP's national dataset, Madill falls in moderate-exposure territory — 3 documented incidents spanning multiple decades, with 100% of local ZIP codes sitting inside FEMA flood boundaries. That combination warrants inclusion in any thorough local water quality review.
Madill has a moderate flood history with 3 FEMA claims averaging $5,211 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,800</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Madill, OK