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

Across all available EPA tracking data for Overland Park, KS, the record has remained clean — 2 public water systems on file, zero violations recorded, and no enforcement proceedings initiated at any point in the federal dataset.

Water Quality Map: Overland Park, KS

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Water Quality by ZIP Code in Overland Park

Water quality varies across Overland Park's 13 ZIP codes. Check your specific ZIP for detailed contaminant data.

ZIP Code	Grade	Score	Violations	Health
66207	D	40	0	0	View report →
66212	D	40	0	0	View report →
66225	D	40	0	0	View report →
66251	D	40	0	0	View report →
66283	D	40	0	0	View report →
66204	D	45	0	0	View report →
66210	D	45	0	0	View report →
66224	D	45	0	0	View report →
66213	D	53	0	0	View report →
66214	D	53	0	0	View report →
66221	D	53	0	0	View report →
66223	D	53	0	0	View report →
66282	D	53	0	0	View report →

Water Quality Overview

Overland Park, Kansas receives a water quality grade of D with an overall score of 46 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).

No EPA violations have been recorded for the 2 water systems serving Overland Park. This is a positive indicator, though it does not guarantee the absence of all contaminants — some substances (like PFAS) are not yet fully regulated.

What Grade D Means

A grade of D indicates significant compliance issues. Overland Park's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.

Lead Levels

Lead testing data for Overland Park is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.

With 42% of homes built before 1986, Overland Park 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.

Radon Risk

Overland Park is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.

Water Systems Serving Overland Park

Overland Park is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 625,014 people across 13 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

How to Check Your Water in Overland Park

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

Overland Park vs. Nearby Kansas Cities

How Overland Park's water quality compares to similar cities in Kansas:

Water Quality by ZIP Code in Overland Park

Water quality varies across Overland Park's ZIP codes. The table below shows the worst-scoring and best-scoring areas:

Common Questions About Overland Park Water

These are the most common questions residents search for about water quality in Overland Park, Kansas:

Is Overland Park water hard or soft? Water hardness varies by source. Overland Park's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.

Can I drink Overland Park tap water? Overland Park's water receives a grade of D (46/100). No health-based violations have been recorded, but home testing is always recommended.

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

Overland Park vs. Kansas Average

Understanding how Overland Park compares to the broader Kansas 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 Overland Park.

ZIP Codes in Overland Park

Overland Park spans 13 ZIP codes. 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.