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City water profile

Spartanburg water quality

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

Median indexed hardness

32PPM

4 indexed ZIPs

Range 25.9–31.8 PPM

State comparison
13 PPM above
State hardness rank
#27 of 173
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Spartanburg has 4 published ZIP profiles across Spartanburg County. The indexed median is 32 PPM, compared with 19 PPM across South Carolina.

Among the 173 South Carolinacities with an indexed median, Spartanburg ranks #27from highest to lowest. Across all 236 state ZIP profiles, available estimates run from 4.2to 106 PPM.

The 25.9–31.8 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

Soft4 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

4 of 4 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
21.8 miles
Profiles with evidence
4/4

Confidence labels

High: 0Moderate: 1Low: 3

Observation window: Jan 6, 2016 to Dec 5, 2024.

ZIP directory

Water reports in Spartanburg

Open a ZIP for site-level provenance and measurements.

ZIP code

29301

Soft

25.9 PPM

Nearest site
13.1 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

29302

Soft

31.8 PPM

Nearest site
21.8 mi
Confidence
Low

View full ZIP evidence →

ZIP code

29306

Soft

31.8 PPM

Nearest site
17.4 mi
Confidence
Low

View full ZIP evidence →

ZIP code

29307

Soft

31.8 PPM

Nearest site
24 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Spartanburg Water System (sc4210001)

PWSID SC4210001

Surface water
System population served
166,364
Last reported
Jun 29, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Metro Subdistrict B (sc4220003)

PWSID SC4220003

Surface water
System population served
1,851
Last reported
Jun 29, 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
Lead and Copper RuleSC4210001Jan 1, 2021Resolved · 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 Spartanburg

Is the water hard?

The indexed city median is 32 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.