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City water profile

Demopolis water quality

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

Median indexed hardness

13PPM

2 indexed ZIPs

Range 9.4–16.7 PPM

State comparison
25 PPM below
State hardness rank
#252 of 281
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Demopolis has 2 published ZIP profiles across Marengo County. The indexed median is 13 PPM, compared with 38 PPM across Alabama.

Among the 281 Alabamacities with an indexed median, Demopolis ranks #252from highest to lowest. Across all 406 state ZIP profiles, available estimates run from 7.4to 2810 PPM.

The 9.4–16.7 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

Soft2 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard0 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
27.9 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 1Low: 1

Observation window: Sep 17, 2018 to Aug 10, 2022.

ZIP directory

Water reports in Demopolis

Open a ZIP for site-level provenance and measurements.

ZIP code

36732

Soft

16.7 PPM

Nearest site
27.9 mi
Confidence
Low

View full ZIP evidence →

ZIP code

36742

Soft

9.4 PPM

Nearest site
21.2 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Demopolis Water Works And Sewer Board

PWSID AL0000908

Groundwater
System population served
10,530
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
Revised Total Coliform RuleAL0000908Dec 11, 2025Resolved
1,2-DIBROMO-3-CHLOROPROPANEAL0000908Jan 1, 2025Archived

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 Demopolis

Is the water hard?

The indexed city median is 13 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.