Skip to content

City water profile

Hudson water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Hudson, North Carolina.

Median indexed hardness

38PPM

One indexed ZIP

Range 37.7–37.7 PPM

State comparison
3 PPM below
State hardness rank
#297 of 381
Matched utilities
4
Active health records
0

City summary

What the indexed records say

Hudson has 1 published ZIP profile across Caldwell County. The indexed median is 38 PPM, compared with 41 PPM across North Carolina.

Among the 381 North Carolinacities with an indexed median, Hudson ranks #297from highest to lowest. Across all 519 state ZIP profiles, available estimates run from 4.7to 267.5 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

Soft1 ZIP
Moderately hard0 ZIPs
Hard0 ZIPs
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
62.4 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jul 27, 2016 to Apr 3, 2018.

ZIP directory

Water reports in Hudson

Open a ZIP for site-level provenance and measurements.

ZIP code

28638

Soft

37.7 PPM

Nearest site
62.4 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Caldwell Co Water System-Se

PWSID NC0114047

Surface water
System population served
15,710
Last reported
Jun 26, 2026

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

Caldwell County Water--West

PWSID NC0114045

Surface water
System population served
8,763
Last reported
Jun 26, 2026

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

Caldwell County Water--North

PWSID NC0114048

Surface water
System population served
287
Last reported
Jun 26, 2026

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

Caldwell County- Addison Lane

PWSID NC1014001

Surface water
System population served
152
Last reported
Jun 26, 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
TTHMNC1014001Apr 1, 2026Addressed
Total Haloacetic Acids (HAA5)NC1014001Apr 1, 2026Addressed
Public NoticeNC0114048Jan 17, 2026Resolved
TTHMNC0114048Oct 1, 2024Resolved
Total Haloacetic Acids (HAA5)NC0114048Oct 1, 2024Resolved
Total Haloacetic Acids (HAA5)NC1014001Oct 1, 2024Resolved
TTHMNC1014001Oct 1, 2024Resolved
Total Haloacetic Acids (HAA5)NC0114047Apr 1, 2022Resolved
TTHMNC0114047Apr 1, 2022Resolved
TTHMNC0114045Apr 1, 2022Resolved

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 Hudson

Is the water hard?

The indexed city median is 38 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.