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City water profile

Medford water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Medford, Oklahoma.

Median indexed hardness

288PPM

One indexed ZIP

Range 288–288 PPM

State comparison
62 PPM above
State hardness rank
#39 of 108
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Medford has 1 published ZIP profile across Grant County. The indexed median is 288 PPM, compared with 226 PPM across Oklahoma.

Among the 108 Oklahomacities with an indexed median, Medford ranks #39from highest to lowest. Across all 148 state ZIP profiles, available estimates run from 7to 610 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
28 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Mar 29, 2016 to Jul 25, 2018.

ZIP directory

Water reports in Medford

Open a ZIP for site-level provenance and measurements.

ZIP code

73759

Very Hard

288 PPM

Nearest site
28 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Medford

PWSID OK2002704

Groundwater
System population served
1,172
Last reported
May 13, 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 REVISIONSOK2002704Oct 17, 2024Resolved · health-based
LEAD AND COPPER RULE REVISIONSOK2002704Oct 17, 2024Resolved
Nitrate-NitriteOK2002704Apr 1, 2024Resolved
BHC-GAMMAOK2002704Jan 1, 2023Resolved
ToxapheneOK2002704Jan 1, 2023Resolved
DiquatOK2002704Jan 1, 2023Resolved
EndothallOK2002704Jan 1, 2023Resolved
GlyphosateOK2002704Jan 1, 2023Resolved
Di(2-ethylhexyl) adipateOK2002704Jan 1, 2023Resolved
HexachlorocyclopentadieneOK2002704Jan 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 Medford

Is the water hard?

The indexed city median is 288 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.