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City water profile

Leavenworth water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Leavenworth, Kansas.

Median indexed hardness

244PPM

2 indexed ZIPs

Range 243–245 PPM

State comparison
45 PPM below
State hardness rank
#310 of 484
Matched utilities
4
Active health records
0

City summary

What the indexed records say

Leavenworth has 2 published ZIP profiles across Leavenworth County. The indexed median is 244 PPM, compared with 289 PPM across Kansas.

Among the 484 Kansascities with an indexed median, Leavenworth ranks #310from highest to lowest. Across all 541 state ZIP profiles, available estimates run from 72.2to 707 PPM.

The 243–245 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard2 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
16.2 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Jan 11, 2016 to Jun 9, 2026.

ZIP directory

Water reports in Leavenworth

Open a ZIP for site-level provenance and measurements.

ZIP code

66027

Very Hard

243 PPM

Nearest site
10.5 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

66048

Very Hard

245 PPM

Nearest site
16.2 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Leavenworth Water Department

PWSID KS2010317

Surface water
System population served
38,757
Last reported
May 15, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Leavenworth Co Rwd 8

PWSID KS2010309

Surface water
System population served
2,500
Last reported
May 15, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Leavenworth Co Rwd 5c

PWSID KS2010318

Surface water
System population served
780
Last reported
May 15, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Leavenworth Co Rwd 2

PWSID KS2010319

Surface water
System population served
483
Last reported
May 15, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
LEAD AND COPPER RULE REVISIONSKS2010319Jul 2, 2025Unaddressed
Consumer Confidence RuleKS2010319Oct 2, 2023Unaddressed
Consumer Confidence RuleKS2010319Jul 1, 2023Unaddressed
Consumer Confidence RuleKS2010319Oct 2, 2022Unaddressed
ChloramineKS2010318Jan 1, 2021Resolved
Revised Total Coliform RuleKS2010318Jan 1, 2021Resolved

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Leavenworth

Is the water hard?

The indexed city median is 244 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.