How hard is the water in Walton, KS?

Nearby USGS observations produce an estimate of 301.5 ppm (17.6 grains per gallon), classified as very hard. This is not a tap measurement.

Do I need a water softener in ZIP code 67151?

At 301.5 ppm, a correctly sized whole-house softener can reduce scale buildup and hard-water spotting. Treatment for hardness does not remove all health-related contaminants.

Local water dashboard

Official source aggregation

Water quality in Walton, KS 67151

Q: Is tap water safe in Walton?

EPA SDWIS shows no active health-based violation in this profile's reporting window. That is not the same as proving every contaminant is absent, and federal data can lag state and utility records.

A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Harvey County.

1 reported benchmark flag

Primary matched system: Harvey Co Rwd 1
Source water: Groundwater
County: Harvey County
Profile updated: May 15, 2026

At a glance

What the current records say

EPA quarter 2026Q2

Hardness

Very Hard

301.5 PPM · 17.6 GPG

Compliance screen

No active flag

0 active health-based records

Lead 90th percentile

7.0e-4 mg/L

5% of action level

Utility match

2 systems

Serves 3,000 people system-wide

Hardness meter

How hard is the water?

Very Hard

Estimated local hardness

USGS hardness classification scale

301.5 PPM

Soft
0–59Moderate
60–120Hard
121–180Very hard
181+

Parts per million

301.5

mg/L as CaCO₃ equivalent

Grains per gallon

17.6

1 GPG ≈ 17.1 PPM

What this means at home

At 301.5 PPM, mineral scale can build up on fixtures and heating elements, reduce soap lather, and leave visible spotting. Hardness is primarily an aesthetic and appliance concern—not itself a tap-water safety rating.

USGS sites used

108

Nearest site

16.5 mi

Observation range

Mar 29, 2016–Aug 14, 2018

Estimate confidence

Moderate

Median of the latest qualifying hardness observation at each nearby monitoring site. Nearest monitoring location: 24S 02W 01BBBB02 IW-12C DEEP (Well).USGS source documentation ↗

Regional context

Is 67151 typical?

These comparisons use other indexed ZIP estimates, not utility tap samples. They help show local context without replacing a household test.

Walton median

302 PPM

About the same

1 indexed ZIP readings · Range 301.5–301.5 PPM

Kansas median

289 PPM

13 PPM higher

540 indexed ZIP readings · Range 72.2–707 PPM

EPA benchmark screen

Contaminant snapshot

Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.

1 pass1 fail

Lead (PB90)

7.0e-4 mg/L

Reported Dec 31, 2025

Copper (CU90)

1.619 mg/L

Reported Dec 31, 1993

Numerical coverage

2 comparable results

Missing values remain blank; absence is not treated as a pass.

Lead (90th percentile)

Measured in mg/L

Pass

Local 7.0e-4

EPA limit 0.015

Copper (90th percentile)

Measured in mg/L

Fail

Local 1.619

EPA limit 1.3

Share of EPA benchmark

100% line = listed limit

EPA SDWIS compliance

Reported violation history

Open EPA source documentation ↗

2026Q2

All records: 11
Health-based: 0
Active health-based: 0

Contaminant or rule	System	Status	Period
Lead and Copper Rule	KS2007908	Resolved	Jan 1, 2026through Mar 5, 2026
LEAD AND COPPER RULE REVISIONS	KS2007908	Unaddressed	Jul 2, 2025
Revised Total Coliform Rule	KS2007908	Resolved	Dec 1, 2024through Dec 31, 2024
Chlorine	KS2007908	Resolved	Dec 1, 2024through Dec 31, 2024
Revised Total Coliform Rule	KS2007908	Resolved	Jul 1, 2024through Jul 31, 2024
Chlorine	KS2007908	Resolved	Jul 1, 2024through Jul 31, 2024
Revised Total Coliform Rule	KS2007908	Resolved	Mar 1, 2024through Mar 31, 2024
Chlorine	KS2007908	Resolved	Jan 1, 2024through Mar 31, 2024
Lead and Copper Rule	KS2007908	Resolved	Oct 1, 2021through Aug 24, 2022
TTHM	KS2007908	Resolved	Jan 1, 2021through Dec 31, 2023
Total Haloacetic Acids (HAA5)	KS2007908	Resolved	Jan 1, 2021through Dec 31, 2023

No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.

Solutions matcher

Your personalized water action plan

Matched to Walton ZIP 67151 using 301.5 PPM nearby hardness and 2 reported measurement benchmarks.

2 matches

Scale protection

High-Capacity Whole House Water Softener

301.5 PPM is 3× the high-hardness trigger used by this matcher.

Designed to reduce scale on fixtures, water heaters, glassware, and plumbing throughout the home.

Compare whole-house systems

Drinking water protection

Under-Sink Reverse Osmosis System

Copper (90th percentile) has a measured benchmark flag or active health-based SDWIS record in this profile.

A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.

Explore under-sink filtration

Affiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.

Frequently asked

Water questions for Walton

Is tap water safe in Walton?+

EPA ECHO shows no active health-based violation for the associated systems in this reporting snapshot. This does not prove every contaminant is absent; federal records can lag and household plumbing can change tap conditions.

How hard is the water?+

Nearby USGS observations produce an estimate of 301.5 PPM, or 17.6 grains per gallon, classified as very hard. This is not a household tap measurement.

Do I need a water softener?+

At 301.5 PPM, a correctly sized whole-house softener can reduce scale and hard-water spotting. It does not replace contaminant filtration.