Skip to content

City water profile

Harkers Island water quality

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

Median indexed hardness

209PPM

One indexed ZIP

Range 209–209 PPM

State comparison
168 PPM above
State hardness rank
#10 of 381
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Harkers Island has 1 published ZIP profile across Carteret County. The indexed median is 209 PPM, compared with 41 PPM across North Carolina.

Among the 381 North Carolinacities with an indexed median, Harkers Island ranks #10from 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.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard1 ZIP

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
11.4 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: May 9, 2017 to Sep 11, 2024.

ZIP directory

Water reports in Harkers Island

Open a ZIP for site-level provenance and measurements.

ZIP code

28531

Very Hard

209 PPM

Nearest site
11.4 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Harkers Island Sanitary Dist

PWSID NC0416025

Groundwater
System population served
2,586
Last reported
Jun 26, 2026

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

Harkers Village S/d

PWSID NC0416221

Groundwater
System population served
94
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.

No violation records are included in the current lookback window.

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 Harkers Island

Is the water hard?

The indexed city median is 209 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.