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City water profile

Sapulpa water quality

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

Median indexed hardness

206PPM

2 indexed ZIPs

Range 201.5–210 PPM

State comparison
20 PPM below
State hardness rank
#71 of 108
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Sapulpa has 2 published ZIP profiles across Creek County. The indexed median is 206 PPM, compared with 226 PPM across Oklahoma.

Among the 108 Oklahomacities with an indexed median, Sapulpa ranks #71from highest to lowest. Across all 148 state ZIP profiles, available estimates run from 7to 610 PPM.

The 201.5–210 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
73.4 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: Jan 5, 2016 to May 13, 2026.

ZIP directory

Water reports in Sapulpa

Open a ZIP for site-level provenance and measurements.

ZIP code

74066

Very Hard

201.5 PPM

Nearest site
66.8 mi
Confidence
Low

View full ZIP evidence →

ZIP code

74131

Very Hard

210 PPM

Nearest site
73.4 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Sapulpa

PWSID OK1020404

Surface water
System population served
19,702
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 REVISIONSOK1020404Oct 17, 2024Resolved · health-based
LEAD AND COPPER RULE REVISIONSOK1020404Oct 17, 2024Resolved
TTHMOK1020404Apr 1, 2022Resolved · health-based
TTHMOK1020404Jan 1, 2022Resolved · health-based

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 Sapulpa

Is the water hard?

The indexed city median is 206 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.