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City water profile

Erie water quality

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

Median indexed hardness

161PPM

One indexed ZIP

Range 161–161 PPM

State comparison
128 PPM below
State hardness rank
#410 of 484
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Erie has 1 published ZIP profile across Neosho County. The indexed median is 161 PPM, compared with 289 PPM across Kansas.

Among the 484 Kansascities with an indexed median, Erie ranks #410from highest to lowest. Across all 541 state ZIP profiles, available estimates run from 72.2to 707 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard1 ZIP
Very hard0 ZIPs

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
38.4 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jan 26, 2016 to Jul 29, 2025.

ZIP directory

Water reports in Erie

Open a ZIP for site-level provenance and measurements.

ZIP code

66733

Hard

161 PPM

Nearest site
38.4 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Erie, City Of

PWSID KS2013310

Surface water
System population served
1,037
Last reported
May 15, 2026

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

Neosho Co Rwd 1c

PWSID KS2013320

Surface water
System population served
670
Last reported
May 15, 2026

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

Neosho Co Rwd 3

PWSID KS2013315

Surface water
System population served
128
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 RuleKS2013315Jan 1, 2026Unaddressed
Surface Water Treatment RuleKS2013310Nov 1, 2025Archived
LEAD AND COPPER RULE REVISIONSKS2013310Jul 2, 2025Unaddressed
LEAD AND COPPER RULE REVISIONSKS2013320Jul 2, 2025Unaddressed
Revised Total Coliform RuleKS2013315Dec 1, 2024Resolved
ChlorineKS2013315Dec 1, 2024Resolved
ChlorineKS2013315Nov 1, 2024Resolved
Revised Total Coliform RuleKS2013315Nov 1, 2024Resolved
LEAD AND COPPER RULE REVISIONSKS2013310Oct 17, 2024Resolved
LEAD AND COPPER RULE REVISIONSKS2013315Oct 17, 2024Resolved

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 Erie

Is the water hard?

The indexed city median is 161 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.