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City water profile

Grand Bay water quality

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

Median indexed hardness

2720PPM

One indexed ZIP

Range 2720–2720 PPM

State comparison
2682 PPM above
State hardness rank
#7 of 281
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Grand Bay has 1 published ZIP profile across Mobile County. The indexed median is 2720 PPM, compared with 38 PPM across Alabama.

Among the 281 Alabamacities with an indexed median, Grand Bay ranks #7from 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

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
14.7 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: May 16, 2018 to Oct 25, 2021.

ZIP directory

Water reports in Grand Bay

Open a ZIP for site-level provenance and measurements.

ZIP code

36541

Very Hard

2720 PPM

Nearest site
14.7 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Grand Bay Water Works Board

PWSID AL0000983

Groundwater
System population served
11,100
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
NitriteAL0000983Jan 11, 2023Resolved
Antimony, TotalAL0000983Jan 11, 2023Resolved
Beryllium, TotalAL0000983Jan 11, 2023Resolved
SeleniumAL0000983Jan 11, 2023Resolved
ArsenicAL0000983Jan 11, 2023Resolved
BariumAL0000983Jan 11, 2023Resolved
CYANIDEAL0000983Jan 11, 2023Resolved
FluorideAL0000983Jan 11, 2023Resolved
MercuryAL0000983Jan 11, 2023Resolved
NitrateAL0000983Jan 11, 2023Resolved

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 Grand Bay

Is the water hard?

The indexed city median is 2720 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.