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City water profile

Lockhart water quality

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

Median indexed hardness

32PPM

One indexed ZIP

Range 31.8–31.8 PPM

State comparison
13 PPM above
State hardness rank
#31 of 173
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Lockhart has 1 published ZIP profile across Union County. The indexed median is 32 PPM, compared with 19 PPM across South Carolina.

Among the 173 South Carolinacities with an indexed median, Lockhart ranks #31from highest to lowest. Across all 236 state ZIP profiles, available estimates run from 4.2to 106 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

Soft1 ZIP
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

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
20.6 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jul 20, 2016 to Apr 3, 2018.

ZIP directory

Water reports in Lockhart

Open a ZIP for site-level provenance and measurements.

ZIP code

29364

Soft

31.8 PPM

Nearest site
20.6 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Lockhart Town Of (sc4420010)

PWSID SC4420010

Surface water
System population served
496
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
TTHMSC4420010Jan 1, 2026Archived · health-based
TTHMSC4420010Oct 1, 2025Archived · health-based
TTHMSC4420010Jul 1, 2025Archived · health-based
TTHMSC4420010Jan 1, 2024Resolved · health-based
TTHMSC4420010Oct 1, 2023Resolved · health-based
TTHMSC4420010Apr 1, 2023Resolved · health-based
TTHMSC4420010Jan 1, 2023Resolved · health-based
TTHMSC4420010Oct 1, 2022Resolved · health-based
TTHMSC4420010Jul 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 Lockhart

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.