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City water profile

Marks water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Marks, Mississippi.

Median indexed hardness

71PPM

One indexed ZIP

Range 70.6–70.6 PPM

State comparison
5 PPM above
State hardness rank
#57 of 109
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Marks has 1 published ZIP profile across Quitman County. The indexed median is 71 PPM, compared with 66 PPM across Mississippi.

Among the 109 Mississippicities with an indexed median, Marks ranks #57from highest to lowest. Across all 146 state ZIP profiles, available estimates run from 11.8to 2560 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 hard1 ZIP
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
13.6 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Feb 29, 2016 to Jun 4, 2026.

ZIP directory

Water reports in Marks

Open a ZIP for site-level provenance and measurements.

ZIP code

38646

Moderately Hard

70.6 PPM

Nearest site
13.6 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

City Of Marks

PWSID MS0600007

Groundwater
System population served
2,099
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
ChlorineMS0600007Oct 1, 2025Archived
Total Haloacetic Acids (HAA5)MS0600007Jan 1, 2024Archived
TTHMMS0600007Jan 1, 2024Archived

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 Marks

Is the water hard?

The indexed city median is 71 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.