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City water profile

Guin water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Guin, Alabama.

Median indexed hardness

21PPM

One indexed ZIP

Range 20.6–20.6 PPM

State comparison
17 PPM below
State hardness rank
#212 of 281
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Guin has 1 published ZIP profile across Marion County. The indexed median is 21 PPM, compared with 38 PPM across Alabama.

Among the 281 Alabamacities with an indexed median, Guin ranks #212from highest to lowest. Across all 406 state ZIP profiles, available estimates run from 7.4to 2810 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

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
8.5 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jul 10, 2019 to Mar 29, 2022.

ZIP directory

Water reports in Guin

Open a ZIP for site-level provenance and measurements.

ZIP code

35563

Soft

20.6 PPM

Nearest site
8.5 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Guin Water & Sewer Board

PWSID AL0000924

Surface water
System population served
4,350
Last reported
May 18, 2026

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

Marion County Public Water Authority

PWSID AL0001716

Surface water
System population served
3,660
Last reported
May 18, 2026

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

Twin Water Authority

PWSID AL0000929

Surface water
System population served
804
Last reported
May 18, 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
TTHMAL0001716Jan 1, 2026Archived
Total Haloacetic Acids (HAA5)AL0001716Jan 1, 2026Archived
Total Haloacetic Acids (HAA5)AL0001716Oct 1, 2025Resolved
TTHMAL0001716Oct 1, 2025Resolved
TTHMAL0001716Jul 1, 2025Resolved
Total Haloacetic Acids (HAA5)AL0001716Jul 1, 2025Resolved
TTHMAL0001716Apr 1, 2025Resolved
Total Haloacetic Acids (HAA5)AL0001716Apr 1, 2025Resolved
Total Haloacetic Acids (HAA5)AL0001716Jan 1, 2025Resolved
TTHMAL0001716Jan 1, 2025Resolved

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 Guin

Is the water hard?

The indexed city median is 21 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.