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City water profile

Covington water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Covington, Louisiana.

Median indexed hardness

32PPM

2 indexed ZIPs

Range 31.7–31.7 PPM

State comparison
58 PPM below
State hardness rank
#42 of 52
Matched utilities
1
Active health records
1

City summary

What the indexed records say

Covington has 2 published ZIP profiles across St. Tammany Parish. The indexed median is 32 PPM, compared with 90 PPM across Louisiana.

Among the 52 Louisianacities with an indexed median, Covington ranks #42from highest to lowest. Across all 102 state ZIP profiles, available estimates run from 4.8to 314 PPM.

The 31.7–31.7 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
40 miles
Profiles with evidence
2/2

Confidence labels

High: 0Moderate: 0Low: 2

Observation window: May 18, 2016 to May 18, 2016.

ZIP directory

Water reports in Covington

Open a ZIP for site-level provenance and measurements.

ZIP code

70433

Soft

31.7 PPM

Nearest site
33.2 mi
Confidence
Low

View full ZIP evidence →

ZIP code

70435

Soft

31.7 PPM

Nearest site
40 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

City Of Covington Water Supply

PWSID LA1103011

Groundwater
System population served
16,185
Last reported
Jun 23, 2026

A municipal system, in-state city, and served county all agree with this Census ZCTA.

Compliance history

What EPA records show

1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Public NoticeLA1103011Mar 11, 2025Resolved
Groundwater RuleLA1103011May 30, 2024Unaddressed · health-based
Lead and Copper RuleLA1103011Feb 29, 2024Resolved

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 Covington

Is the water hard?

The indexed city median is 32 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.