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City water profile

Cumming water quality

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

Median indexed hardness

31PPM

2 indexed ZIPs

Range 30.3–32.2 PPM

State comparison
9 PPM below
State hardness rank
#238 of 371
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Cumming has 2 published ZIP profiles across Forsyth County. The indexed median is 31 PPM, compared with 40 PPM across Georgia.

Among the 371 Georgiacities with an indexed median, Cumming ranks #238from highest to lowest. Across all 469 state ZIP profiles, available estimates run from 3to 207 PPM.

The 30.3–32.2 PPM range shows how much the available ZIP estimates vary within the city label.

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
16.9 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 2Low: 0

Observation window: Jan 5, 2016 to Jun 3, 2026.

ZIP directory

Water reports in Cumming

Open a ZIP for site-level provenance and measurements.

ZIP code

30040

Soft

32.2 PPM

Nearest site
16.9 mi
Confidence
Moderate

View full ZIP evidence →

ZIP code

30041

Soft

30.3 PPM

Nearest site
13 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Forsyth Co. Water & Sewer

PWSID GA1170050

Surface water
System population served
161,200
Last reported
Jun 12, 2026

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

Cumming

PWSID GA1170000

Surface water
System population served
58,661
Last reported
Jun 12, 2026

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

Colonial Club Estates

PWSID GA1170008

Surface water
System population served
416
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
LEAD AND COPPER RULE REVISIONSGA1170008Oct 17, 2024Resolved
Consumer Confidence RuleGA1170008Jul 1, 2024Resolved
Revised Total Coliform RuleGA1170008Mar 1, 2023Resolved
Consumer Confidence RuleGA1170050Jul 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 Cumming

Is the water hard?

The indexed city median is 31 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.