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City water profile

Redfield water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Redfield, South Dakota.

Median indexed hardness

—

One indexed ZIP

Range —–— PPM

State comparison
Unavailable
State hardness rank
—
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Redfield has 1 published ZIP profile across Spink County. No qualifying nearby hardness observation is available for the city.

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 hard0 ZIPs

0 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
— miles
Profiles with evidence
0/1

Confidence labels

High: 0Moderate: 0Low: 0

Observation window: unavailable to unavailable.

ZIP directory

Water reports in Redfield

Open a ZIP for site-level provenance and measurements.

ZIP code

57469

No estimate

—

Nearest site
— mi
Confidence
—

View full ZIP evidence →

Public water systems

Utilities associated with this city

Redfield

PWSID SD4600277

Surface water
System population served
2,214
Last reported
Jun 17, 2026

EPA SDWIS explicitly lists this ZIP in the system's served geography.

Mellette

PWSID SD4600204

Surface water
System population served
205
Last reported
Jun 17, 2026

EPA SDWIS explicitly lists this ZIP in the system's served geography.

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 Redfield

Is the water hard?

The index does not have a qualifying hardness estimate for this city.

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.