Skip to content

City water profile

Rigby water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Rigby, Idaho.

Median indexed hardness

181PPM

One indexed ZIP

Range 181–181 PPM

State comparison
13 PPM above
State hardness rank
#31 of 67
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Rigby has 1 published ZIP profile across Jefferson County. The indexed median is 181 PPM, compared with 168 PPM across Idaho.

Among the 67 Idahocities with an indexed median, Rigby ranks #31from highest to lowest. Across all 78 state ZIP profiles, available estimates run from 22.2to 339 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
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
31.1 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Apr 11, 2016 to Jun 18, 2026.

ZIP directory

Water reports in Rigby

Open a ZIP for site-level provenance and measurements.

ZIP code

83442

Very Hard

181 PPM

Nearest site
31.1 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Rigby City Of

PWSID ID7260032

Groundwater
System population served
5,400
Last reported
Jun 26, 2026

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

Country Living Center

PWSID ID7260047

Groundwater
System population served
30
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
Revised Total Coliform RuleID7260047Mar 1, 2026Archived
Lead and Copper RuleID7260047Dec 30, 2025Unaddressed
Revised Total Coliform RuleID7260047Apr 1, 2025Archived
Revised Total Coliform RuleID7260047Mar 1, 2025Archived
Revised Total Coliform RuleID7260047Feb 1, 2025Archived
Revised Total Coliform RuleID7260047Dec 1, 2024Archived
LEAD AND COPPER RULE REVISIONSID7260032Oct 17, 2024Resolved
LEAD AND COPPER RULE REVISIONSID7260032Oct 17, 2024Resolved · health-based
Revised Total Coliform RuleID7260047Aug 1, 2024Archived
Revised Total Coliform RuleID7260047Jul 1, 2024Archived

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 Rigby

Is the water hard?

The indexed city median is 181 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.