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.

75/100
Purity Score
3
Issues Found
12.5 GPG
Hardness
Not detected
PFAS

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 Park

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Overland Park

Arsenic Approaching Limit (0.4 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Overland Park
Kansas

660,626,620,466,210 · Kansas River and Hillsdale Lake

Hard Water in Overland Park: What Your Pipes Are Dealing With

Moderate Risk Updated March 2026 195,494 residents
75
Purity Score

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.

Health Insights

  • 1
    With a hardness of 12.5 GPG, Overland Park residents may notice white scale on faucets. Hard water increases maintenance costs.
  • 2
    Chlorine levels may affect the taste of Overland Park's tap water. A carbon filter improves flavor.

Score

75 /100
Good
"Good" threshold (70)

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.

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Best filters matched to Overland Park's 3 issues.

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About 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?
Overland Park tap water meets EPA federal drinking water standards and scores 75/100 (Good) on PurityMap for 2026. For most healthy adults the water is considered safe but point-of-use filtration adds an important layer of protection.
Does Overland Park KS use chlorine or chloramine for disinfection?
Overland Park uses chloramine as the primary disinfectant with a residual level of 1.5 ppm. Chloramine is harder to remove than free chlorine and requires a catalytic carbon or reverse osmosis filter. Standard Brita-style pitchers will NOT remove chloramine.
How hard is Overland Park KS water and what is the TDS level?
Overland Park water hardness is 12.5 grains per gallon (very hard) with a TDS of 430 ppm (poor). This level causes noticeable scale buildup in water heaters kettles and dishwashers. A water softener is recommended to protect plumbing and reduce soap usage.
Has PFAS been found in Overland Park KS drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Overland Park drinking water.

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • Johnson County Water One CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

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