Is tap water safe in East Carbon?

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.

How hard is the water in East Carbon, UT?

Nearby USGS observations produce an estimate of 546 ppm (31.9 grains per gallon), classified as very hard. This is not a tap measurement.

Do I need a water softener in ZIP code 84520?

At 546 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.

City water profile

East Carbon water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for East Carbon, Utah.

Median indexed hardness

546PPM

2 indexed ZIPs

Range 546–546 PPM

State comparison: 182 PPM above
State hardness rank: #2 of 55
Matched utilities: 1
Active health records: 0

City summary

What the indexed records say

East Carbon has 2 published ZIP profiles across Carbon County. The indexed median is 546 PPM, compared with 364 PPM across Utah.

Among the 55 Utahcities with an indexed median, East Carbon ranks #2from highest to lowest. Across all 66 state ZIP profiles, available estimates run from 257to 686.5 PPM.

The 546–546 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: 21.8 miles
Profiles with evidence: 2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Jan 6, 2016 to Jun 9, 2026.

ZIP directory

Water reports in East Carbon

Open a ZIP for site-level provenance and measurements.

ZIP code

84520

Very Hard

546 PPM

Nearest site: 18.8 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

84539

Very Hard

546 PPM

Nearest site: 21.8 mi
Confidence: Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

East Carbon City

PWSID UTAH04012

Surface water

System population served: 1,460
Last reported: Jun 17, 2026

A municipal system, in-state city, and served county all agree with this Census 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.

Record	System	Period	Status
Lead and Copper Rule	UTAH04012	Mar 20, 2025	Unaddressed
Groundwater Rule	UTAH04012	Jul 2, 2024	Resolved · health-based
TTHM	UTAH04012	Jan 1, 2023	Resolved
Total Haloacetic Acids (HAA5)	UTAH04012	Jan 1, 2023	Resolved
CARBON, TOTAL	UTAH04012	Jan 1, 2022	Resolved
Long Term 2 Enhanced Surface Water Treatment Rule	UTAH04012	Sep 1, 2021	Resolved · health-based
Public Notice	UTAH04012	Sep 1, 2021	Resolved

Practical next steps

Move from index to evidence

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

Continue comparing

Other Utah communities

Price

Carbon County

499 PPM median

Wellington

Carbon County

500 PPM median

Manti

Sanpete County

546 PPM median

Eagle Mountain

Utah County

496 PPM median

Mount Pleasant

Sanpete County

496 PPM median

South Jordan

Salt Lake County

494 PPM median

Search all 55 Utah cities →

Questions people ask

About water in East Carbon

Is the water hard?

The indexed city median is 546 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.