City water profile

Water hardness in Shreveport

Find official utility reports, understand hardness, and check the water system serving your home in Shreveport, Louisiana.

Utility-reported hardness

Not yet available

Check your provider and source →

State comparison: At state median
Evidence comparison rank: #1 of 2
Matched utilities: 1
Active health records: 0

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

City Of Shreveport Water System

LA1017031 · Surface water · 192,378 people served system-wide

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

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (2)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 9.2e-4 mg/L
Action level: 0.015 mg/L

6% of the listed benchmark

Monitoring period: Jan 1, 2025 to Dec 31, 2025

TTHM

EPA SDWIS reported health-based violation

Reported violation

Reported level: 0.14 MG/L
Maximum contaminant level: 0.08 MG/L

175% of the listed benchmark

Monitoring period: Jan 1, 2026 to Mar 31, 2026

Violation history (22)

Imported violation history for City Of Shreveport Water System
Rule	Status	Period
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Jan 1, 2026 to Jan 31, 2026
TTHMHealth-based	Archived	Jan 1, 2026 to Mar 31, 2026
TTHMHealth-based	Archived	Oct 1, 2025 to Dec 31, 2025
TTHMHealth-based	Archived	Jul 1, 2025 to Sep 30, 2025
TTHMHealth-based	Archived	Apr 1, 2025 to Jun 30, 2025
Surface Water Treatment RuleHealth-based	Resolved	Mar 1, 2025 to Mar 31, 2025
Surface Water Treatment RuleHealth-based	Resolved	Feb 1, 2025 to Feb 28, 2025
Surface Water Treatment RuleHealth-based	Resolved	Jan 1, 2025 to Jan 31, 2025
Surface Water Treatment RuleHealth-based	Resolved	Dec 1, 2024 to Dec 31, 2024
Surface Water Treatment RuleHealth-based	Resolved	Oct 1, 2024 to Oct 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Jun 1, 2024 to Jun 30, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Jun 1, 2024 to Jun 30, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	May 1, 2024 to May 31, 2024
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Jan 1, 2024 to Jan 31, 2024
TTHMHealth-based	Resolved	Oct 1, 2023 to Dec 31, 2023
TTHMHealth-based	Resolved	Jul 1, 2023 to Sep 30, 2023
TTHM	Resolved	May 1, 2023 to Sep 20, 2023
TTHMHealth-based	Resolved	Apr 1, 2023 to Jun 30, 2023
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Dec 1, 2022 to Dec 31, 2022
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Dec 1, 2022 to Dec 31, 2022
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Oct 1, 2022 to Oct 31, 2022
Interim Enhanced Surface Water Treatment RuleHealth-based	Resolved	Feb 1, 2021 to Feb 28, 2021

City summary

What the indexed records say

Shreveport has 13 published ZIP profiles across Caddo Parish. The regional-evidence median is 133 PPM. Its comparison-eligible median is 133 PPM versus 133 PPM statewide.

Among the 2 Louisianacities meeting the comparison standard, Shreveport ranks #1from highest to lowest. Across all 102 state ZIP profiles, available estimates run from 28.4to 411 PPM.

The 133–243 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard10 ZIPs

Very hard3 ZIPs

13 of 13 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 9.3 miles
Profiles with evidence: 13/13

Confidence labels

High: 0Moderate: 13Low: 0

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other Louisiana communities

Abbeville

Vermilion Parish

132 PPM median

Rayne

Acadia Parish

132 PPM median

Scott

Lafayette Parish

130 PPM median

Opelousas

St. Landry Parish

128 PPM median

Berwick

St. Mary Parish

139 PPM median

Patterson

St. Mary Parish

139 PPM median

Search all 52 Louisiana cities →

Questions people ask

About water in Shreveport

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

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.