Skip to content

City water profile

Sun Valley water quality

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

Median indexed hardness

210PPM

2 indexed ZIPs

Range 207.5–212 PPM

State comparison
42 PPM above
State hardness rank
#22 of 67
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Sun Valley has 2 published ZIP profiles across Blaine County. The indexed median is 210 PPM, compared with 168 PPM across Idaho.

Among the 67 Idahocities with an indexed median, Sun Valley ranks #22from highest to lowest. Across all 78 state ZIP profiles, available estimates run from 22.2to 339 PPM.

The 207.5–212 PPM range shows how much the available ZIP estimates vary within the city label. 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 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
55 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: May 16, 2016 to Jun 18, 2026.

ZIP directory

Water reports in Sun Valley

Open a ZIP for site-level provenance and measurements.

ZIP code

83353

Very Hard

207.5 PPM

Nearest site
55 mi
Confidence
Low

View full ZIP evidence →

ZIP code

83354

Very Hard

212 PPM

Nearest site
54.9 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Sun Valley Water And Sewer Dist

PWSID ID5070051

Groundwater
System population served
3,400
Last reported
Jun 26, 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.

RecordSystemPeriodStatus
LEAD AND COPPER RULE REVISIONSID5070051Jul 2, 2025Unaddressed
Total Haloacetic Acids (HAA5)ID5070051Jan 1, 2025Archived
TTHMID5070051Jan 1, 2025Archived
Radium-226ID5070051Jan 1, 2024Resolved
Combined UraniumID5070051Jan 1, 2024Resolved
Gross Alpha, Excl. Radon and UID5070051Jan 1, 2024Resolved
Radium-228ID5070051Jan 1, 2024Resolved
Radium-226ID5070051Jul 1, 2023Resolved
Radium-228ID5070051Jul 1, 2023Resolved
Combined UraniumID5070051Jul 1, 2023Resolved

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 Sun Valley

Is the water hard?

The indexed city median is 210 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.