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City water profile

Winnsboro water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Winnsboro, Louisiana.

Median indexed hardness

314PPM

One indexed ZIP

Range 314–314 PPM

State comparison
224 PPM above
State hardness rank
#1 of 52
Matched utilities
1
Active health records
5

City summary

What the indexed records say

Winnsboro has 1 published ZIP profile across Franklin Parish. The indexed median is 314 PPM, compared with 90 PPM across Louisiana.

Among the 52 Louisianacities with an indexed median, Winnsboro ranks #1from highest to lowest. Across all 102 state ZIP profiles, available estimates run from 4.8to 314 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.

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
1.5 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Aug 15, 2016 to Aug 4, 2022.

ZIP directory

Water reports in Winnsboro

Open a ZIP for site-level provenance and measurements.

Public water systems

Utilities associated with this city

Winnsboro Water System

PWSID LA1041006

Groundwater
System population served
7,518
Last reported
Jun 23, 2026

A municipal system, in-state city, and served county all agree with this Census ZCTA.

Compliance history

What EPA records show

5 unique active health-based records appear among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Lead and Copper RuleLA1041006Mar 18, 2026Unaddressed
Public NoticeLA1041006Nov 11, 2025Unaddressed
Groundwater RuleLA1041006Oct 1, 2025Unaddressed · health-based
Public NoticeLA1041006Jun 6, 2025Unaddressed
Groundwater RuleLA1041006May 1, 2025Unaddressed · health-based
Groundwater RuleLA1041006May 1, 2025Unaddressed · health-based
Groundwater RuleLA1041006May 1, 2025Unaddressed · health-based
Groundwater RuleLA1041006May 1, 2025Unaddressed · health-based
Consumer Confidence RuleLA1041006Jul 1, 2024Resolved
Groundwater RuleLA1041006Sep 6, 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 Winnsboro

Is the water hard?

The indexed city median is 314 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.