Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03

Local water systems serving Francis, OK carry 13 EPA violations on record in the federal compliance database — documented events spanning categories from maximum contaminant level exceedances to monitoring requirements tracked by the national Safe Drinking Water program.

Water Quality by ZIP Code in Francis

Water quality varies across Francis's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.

ZIP Code	Grade	Score	Violations	Health
74844	A	90	13	0	View report →

Water Quality Overview

Francis, Oklahoma receives a water quality grade of A with an overall score of 90 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).

The 1 water system serving Francis have accumulated 13 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 390 people.

What Grade A Means

A grade of A indicates excellent compliance with EPA drinking water standards. Francis's water systems have maintained strong performance in both contaminant monitoring and regulatory compliance.

Lead Levels

The average 90th percentile lead level across Francis water systems is 0.0012 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.

With 79% of homes built before 1986, Francis has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.

Water Systems Serving Francis

Francis is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 390 people across 1 ZIP codes.

Each water system is identified by a Public Water System ID (PWSID) and is required to:

• Test for over 90 regulated contaminants on a regular schedule
• Report results to the EPA and state regulators
• Issue an annual Consumer Confidence Report (CCR) to all customers
• Take corrective action when violations occur

The EPA has taken 10 enforcement actions against water systems serving Francis. Enforcement actions range from informal compliance assistance to formal orders and penalties.

How to Check Your Water in Francis

1. Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores

2. Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants

3. Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel

4. Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics

5. Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts

Contaminants Detected in Francis Water Systems

The following contaminants have been detected or caused violations across Francis's water systems:

MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.

EPA Enforcement History

The EPA and state regulators have taken 10 enforcement actions against water systems serving Francis. Recent actions:

Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-06-27.

Francis vs. Nearby Oklahoma Cities

How Francis's water quality compares to similar cities in Oklahoma:

Common Questions About Francis Water

These are the most common questions residents search for about water quality in Francis, Oklahoma:

Is Francis water hard or soft? Water hardness varies by source. Francis's 1 water system uses a single source. Check your ZIP code report for specific hardness data.

Can I drink Francis tap water? Francis's water receives a grade of A (90/100). No health-based violations have been recorded, but home testing is always recommended.

What is the best water filter for Francis? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.

Francis vs. Oklahoma Average

Understanding how Francis compares to the broader Oklahoma average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.

To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Francis.

ZIP Codes in Francis

Francis spans 1 ZIP code. The ZIP with the lowest water quality score is 74844. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.

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
• Enforcement: EPA ECHO database
• Filter recommendations: NSF/ANSI certified products

Updated daily.

Your Water is Safe — Here's How to Keep It That Way

Grade A is excellent news. Here's what proactive homeowners do to maintain water quality:

Annual Water Testing

EPA recommends annual testing even with clean water. Home test kits: $20-$50. Catches changes before they become problems.

Maintenance Filtration

A basic carbon filter removes chlorine taste and catches emerging contaminants like PFAS that aren't yet fully regulated.

Plumbing Check

Even safe city water picks up lead from home pipes. If your home was built before 1986, a one-time pipe inspection is recommended.