Is Overland Park tap water safe to drink?
Yes but with caveats
Overland Park's water meets EPA minimum standards but has some concerns. Filtration is recommended for sensitive individuals.
3 Issues Detected in Overland Park
Very Hard Water (12.5 GPG)
Hard water causes scale in pipes and shortens appliance lifespan.
Hardness data for Overland ParkModerate Chlorine Level
Chlorine within EPA limits but may affect taste.
Chlorine info for Overland Park660,626,620,466,210 · Kansas River and Hillsdale Lake
Hard Water in Overland Park: What Your Pipes Are Dealing With
Water from Overland Park's Kansas River and Hillsdale Lake supply carries notable mineral levels. This 2026 report covers hardness data, safety indicators, and filtration options matched to local conditions.
Water Quality Data
Contaminant Levels
Health Insights
- 1With a hardness of 12.5 GPG, Overland Park residents may notice white scale on faucets. Hard water increases maintenance costs.
- 2Chlorine levels may affect the taste of Overland Park's tap water. A carbon filter improves flavor.
Score
Overland Park tap water is sourced from Kansas River and Hillsdale Lake and treated by Johnson County Water One. Water hardness is very hard at 12.5 GPG which may cause scale buildup. TDS is 430 ppm which is above the EPA secondary guideline of 500 ppm. Overall purity score: 75/100 (Good). Updated for 2026.
MATCHED TO OVERLAND PARK'S WATER DATA
Best Water Filters for Overland Park, KS (2026)
Matched to Very Hard Water (12.5 GPG), Moderate Chlorine in Overland Park.

AFWFilters 5600sxt 48000 Grain Softener
Salt-Based Water Softener
$650-750
Why this fits Overland Park
- Handles Overland Park's hard water (Very Hard Water (12.5 GPG))
- Premium quality at $650-750

Clearly Filtered Water Pitcher
Pitcher Filter
$80-95
Why this fits Overland Park
- Eliminates chlorine taste and odor from Overland Park's water
- NSF/ANSI 42 + NSF/ANSI 53 + NSF/ANSI 401 certified
- Budget-friendly at $80-95

Waterdrop 10UA Under-Sink Filter
Under-Sink Carbon Filter
$40-60
Why this fits Overland Park
- Eliminates chlorine taste and odor from Overland Park's water
- NSF/ANSI 42 certified
- Budget-friendly at $40-60

Waterdrop G3P800 Tankless RO
Tankless Reverse Osmosis
$380-450
Why this fits Overland Park
- Eliminates chlorine taste and odor from Overland Park's water
- NSF/ANSI 58 + NSF 372 certified
- Premium quality at $380-450
As an Amazon Associate, PurityMap may earn from qualifying purchases. Based on latest Overland Park water data.
Know exactly what's in YOUR tap
City data shows averages. Your home may differ.
Test Your Water — $25-30About Overland Park's Water
Overland Park Hard Water: Effects on Your Home
Hard water conditions in Overland Park (12.5 GPG) can leave white mineral deposits on fixtures, reduce soap lather, and gradually damage water-using appliances. Water heaters are particularly vulnerable: scale insulates the heating element, raising energy costs and reducing lifespan. A water softener exchanging calcium and magnesium for sodium eliminates scale formation throughout the home. For households concerned about sodium in drinking water, pairing a softener with an RO system at the kitchen tap is the standard approach.
Explore Overland Park Water Data
Overland Park Water FAQ
Is Overland Park KS tap water safe to drink in 2026?
Does Overland Park KS use chlorine or chloramine for disinfection?
How hard is Overland Park KS water and what is the TDS level?
Has PFAS been found in Overland Park KS drinking water?
Nearby Reports
Compare across all 50 US states
Data Sources
- EPA SDWIS
- EWG Tap Water Database
- Johnson County Water One CCR
- USGS monitoring data
PurityMap compiles public data. Updated March 2026.
