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City water profile

Hamilton water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Hamilton, Georgia.

Median indexed hardness

18PPM

One indexed ZIP

Range 18.3–18.3 PPM

State comparison
22 PPM below
State hardness rank
#324 of 371
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Hamilton has 1 published ZIP profile across Harris County. The indexed median is 18 PPM, compared with 40 PPM across Georgia.

Among the 371 Georgiacities with an indexed median, Hamilton ranks #324from highest to lowest. Across all 469 state ZIP profiles, available estimates run from 3to 207 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
44.8 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jun 24, 2019 to Oct 19, 2023.

ZIP directory

Water reports in Hamilton

Open a ZIP for site-level provenance and measurements.

ZIP code

31811

Soft

18.3 PPM

Nearest site
44.8 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Hamilton

PWSID GA1450000

Groundwater
System population served
2,211
Last reported
Jun 12, 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
Consumer Confidence RuleGA1450000Jul 1, 2021Resolved

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 Hamilton

Is the water hard?

The indexed city median is 18 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.